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-rw-r--r--fs/afs/file.c4
-rw-r--r--fs/bio.c4
-rw-r--r--fs/buffer.c4
-rw-r--r--fs/dcache.c2
-rw-r--r--fs/dquot.c2
-rw-r--r--fs/exec.c12
-rw-r--r--fs/ext3/inode.c2
-rw-r--r--fs/hfs/inode.c2
-rw-r--r--fs/hfsplus/inode.c2
-rw-r--r--fs/inode.c2
-rw-r--r--fs/jbd/journal.c2
-rw-r--r--fs/jbd/transaction.c2
-rw-r--r--fs/jfs/jfs_metapage.c4
-rw-r--r--fs/lockd/host.c4
-rw-r--r--fs/locks.c48
-rw-r--r--fs/mbcache.c6
-rw-r--r--fs/namei.c95
-rw-r--r--fs/nfs/delegation.c2
-rw-r--r--fs/nfs/delegation.h16
-rw-r--r--fs/nfs/dir.c67
-rw-r--r--fs/nfs/file.c31
-rw-r--r--fs/nfs/inode.c200
-rw-r--r--fs/nfs/nfs2xdr.c1
-rw-r--r--fs/nfs/nfs3proc.c92
-rw-r--r--fs/nfs/nfs3xdr.c1
-rw-r--r--fs/nfs/nfs4_fs.h53
-rw-r--r--fs/nfs/nfs4proc.c735
-rw-r--r--fs/nfs/nfs4state.c181
-rw-r--r--fs/nfs/nfs4xdr.c305
-rw-r--r--fs/nfs/proc.c44
-rw-r--r--fs/nfs/read.c1
-rw-r--r--fs/nfs/write.c2
-rw-r--r--fs/open.c79
-rw-r--r--fs/reiserfs/fix_node.c2
-rw-r--r--fs/reiserfs/inode.c2
-rw-r--r--fs/reiserfs/xattr.c2
-rw-r--r--fs/xfs/linux-2.6/kmem.c22
-rw-r--r--fs/xfs/linux-2.6/kmem.h18
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c2
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c8
40 files changed, 1378 insertions, 685 deletions
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 23c125128024..0d576987ec67 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -29,7 +29,7 @@ static int afs_file_release(struct inode *inode, struct file *file);
29 29
30static int afs_file_readpage(struct file *file, struct page *page); 30static int afs_file_readpage(struct file *file, struct page *page);
31static int afs_file_invalidatepage(struct page *page, unsigned long offset); 31static int afs_file_invalidatepage(struct page *page, unsigned long offset);
32static int afs_file_releasepage(struct page *page, int gfp_flags); 32static int afs_file_releasepage(struct page *page, gfp_t gfp_flags);
33 33
34static ssize_t afs_file_write(struct file *file, const char __user *buf, 34static ssize_t afs_file_write(struct file *file, const char __user *buf,
35 size_t size, loff_t *off); 35 size_t size, loff_t *off);
@@ -279,7 +279,7 @@ static int afs_file_invalidatepage(struct page *page, unsigned long offset)
279/* 279/*
280 * release a page and cleanup its private data 280 * release a page and cleanup its private data
281 */ 281 */
282static int afs_file_releasepage(struct page *page, int gfp_flags) 282static int afs_file_releasepage(struct page *page, gfp_t gfp_flags)
283{ 283{
284 struct cachefs_page *pageio; 284 struct cachefs_page *pageio;
285 285
diff --git a/fs/bio.c b/fs/bio.c
index 7d81a93afd48..460554b07ff9 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -778,7 +778,7 @@ static int bio_map_kern_endio(struct bio *bio, unsigned int bytes_done, int err)
778 778
779 779
780static struct bio *__bio_map_kern(request_queue_t *q, void *data, 780static struct bio *__bio_map_kern(request_queue_t *q, void *data,
781 unsigned int len, unsigned int gfp_mask) 781 unsigned int len, gfp_t gfp_mask)
782{ 782{
783 unsigned long kaddr = (unsigned long)data; 783 unsigned long kaddr = (unsigned long)data;
784 unsigned long end = (kaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; 784 unsigned long end = (kaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
@@ -825,7 +825,7 @@ static struct bio *__bio_map_kern(request_queue_t *q, void *data,
825 * device. Returns an error pointer in case of error. 825 * device. Returns an error pointer in case of error.
826 */ 826 */
827struct bio *bio_map_kern(request_queue_t *q, void *data, unsigned int len, 827struct bio *bio_map_kern(request_queue_t *q, void *data, unsigned int len,
828 unsigned int gfp_mask) 828 gfp_t gfp_mask)
829{ 829{
830 struct bio *bio; 830 struct bio *bio;
831 831
diff --git a/fs/buffer.c b/fs/buffer.c
index 1216c0d3c8ce..b1667986442f 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -502,7 +502,7 @@ static void free_more_memory(void)
502 yield(); 502 yield();
503 503
504 for_each_pgdat(pgdat) { 504 for_each_pgdat(pgdat) {
505 zones = pgdat->node_zonelists[GFP_NOFS&GFP_ZONEMASK].zones; 505 zones = pgdat->node_zonelists[gfp_zone(GFP_NOFS)].zones;
506 if (*zones) 506 if (*zones)
507 try_to_free_pages(zones, GFP_NOFS); 507 try_to_free_pages(zones, GFP_NOFS);
508 } 508 }
@@ -1571,7 +1571,7 @@ static inline void discard_buffer(struct buffer_head * bh)
1571 * 1571 *
1572 * NOTE: @gfp_mask may go away, and this function may become non-blocking. 1572 * NOTE: @gfp_mask may go away, and this function may become non-blocking.
1573 */ 1573 */
1574int try_to_release_page(struct page *page, int gfp_mask) 1574int try_to_release_page(struct page *page, gfp_t gfp_mask)
1575{ 1575{
1576 struct address_space * const mapping = page->mapping; 1576 struct address_space * const mapping = page->mapping;
1577 1577
diff --git a/fs/dcache.c b/fs/dcache.c
index fb10386c59be..e90512ed35a4 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -689,7 +689,7 @@ void shrink_dcache_anon(struct hlist_head *head)
689 * 689 *
690 * In this case we return -1 to tell the caller that we baled. 690 * In this case we return -1 to tell the caller that we baled.
691 */ 691 */
692static int shrink_dcache_memory(int nr, unsigned int gfp_mask) 692static int shrink_dcache_memory(int nr, gfp_t gfp_mask)
693{ 693{
694 if (nr) { 694 if (nr) {
695 if (!(gfp_mask & __GFP_FS)) 695 if (!(gfp_mask & __GFP_FS))
diff --git a/fs/dquot.c b/fs/dquot.c
index b9732335bcdc..05f3327d64a3 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -500,7 +500,7 @@ static void prune_dqcache(int count)
500 * more memory 500 * more memory
501 */ 501 */
502 502
503static int shrink_dqcache_memory(int nr, unsigned int gfp_mask) 503static int shrink_dqcache_memory(int nr, gfp_t gfp_mask)
504{ 504{
505 if (nr) { 505 if (nr) {
506 spin_lock(&dq_list_lock); 506 spin_lock(&dq_list_lock);
diff --git a/fs/exec.c b/fs/exec.c
index a04a575ad433..d2208f7c87db 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -126,8 +126,7 @@ asmlinkage long sys_uselib(const char __user * library)
126 struct nameidata nd; 126 struct nameidata nd;
127 int error; 127 int error;
128 128
129 nd.intent.open.flags = FMODE_READ; 129 error = __user_path_lookup_open(library, LOOKUP_FOLLOW, &nd, FMODE_READ);
130 error = __user_walk(library, LOOKUP_FOLLOW|LOOKUP_OPEN, &nd);
131 if (error) 130 if (error)
132 goto out; 131 goto out;
133 132
@@ -139,7 +138,7 @@ asmlinkage long sys_uselib(const char __user * library)
139 if (error) 138 if (error)
140 goto exit; 139 goto exit;
141 140
142 file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); 141 file = nameidata_to_filp(&nd, O_RDONLY);
143 error = PTR_ERR(file); 142 error = PTR_ERR(file);
144 if (IS_ERR(file)) 143 if (IS_ERR(file))
145 goto out; 144 goto out;
@@ -167,6 +166,7 @@ asmlinkage long sys_uselib(const char __user * library)
167out: 166out:
168 return error; 167 return error;
169exit: 168exit:
169 release_open_intent(&nd);
170 path_release(&nd); 170 path_release(&nd);
171 goto out; 171 goto out;
172} 172}
@@ -490,8 +490,7 @@ struct file *open_exec(const char *name)
490 int err; 490 int err;
491 struct file *file; 491 struct file *file;
492 492
493 nd.intent.open.flags = FMODE_READ; 493 err = path_lookup_open(name, LOOKUP_FOLLOW, &nd, FMODE_READ);
494 err = path_lookup(name, LOOKUP_FOLLOW|LOOKUP_OPEN, &nd);
495 file = ERR_PTR(err); 494 file = ERR_PTR(err);
496 495
497 if (!err) { 496 if (!err) {
@@ -504,7 +503,7 @@ struct file *open_exec(const char *name)
504 err = -EACCES; 503 err = -EACCES;
505 file = ERR_PTR(err); 504 file = ERR_PTR(err);
506 if (!err) { 505 if (!err) {
507 file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); 506 file = nameidata_to_filp(&nd, O_RDONLY);
508 if (!IS_ERR(file)) { 507 if (!IS_ERR(file)) {
509 err = deny_write_access(file); 508 err = deny_write_access(file);
510 if (err) { 509 if (err) {
@@ -516,6 +515,7 @@ out:
516 return file; 515 return file;
517 } 516 }
518 } 517 }
518 release_open_intent(&nd);
519 path_release(&nd); 519 path_release(&nd);
520 } 520 }
521 goto out; 521 goto out;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index b5177c90d6f1..8b38f2232796 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1434,7 +1434,7 @@ static int ext3_invalidatepage(struct page *page, unsigned long offset)
1434 return journal_invalidatepage(journal, page, offset); 1434 return journal_invalidatepage(journal, page, offset);
1435} 1435}
1436 1436
1437static int ext3_releasepage(struct page *page, int wait) 1437static int ext3_releasepage(struct page *page, gfp_t wait)
1438{ 1438{
1439 journal_t *journal = EXT3_JOURNAL(page->mapping->host); 1439 journal_t *journal = EXT3_JOURNAL(page->mapping->host);
1440 1440
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index f1570b9f9de3..3f680c5675bf 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -46,7 +46,7 @@ static sector_t hfs_bmap(struct address_space *mapping, sector_t block)
46 return generic_block_bmap(mapping, block, hfs_get_block); 46 return generic_block_bmap(mapping, block, hfs_get_block);
47} 47}
48 48
49static int hfs_releasepage(struct page *page, int mask) 49static int hfs_releasepage(struct page *page, gfp_t mask)
50{ 50{
51 struct inode *inode = page->mapping->host; 51 struct inode *inode = page->mapping->host;
52 struct super_block *sb = inode->i_sb; 52 struct super_block *sb = inode->i_sb;
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index d5642705f633..f205773ddfbe 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -40,7 +40,7 @@ static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
40 return generic_block_bmap(mapping, block, hfsplus_get_block); 40 return generic_block_bmap(mapping, block, hfsplus_get_block);
41} 41}
42 42
43static int hfsplus_releasepage(struct page *page, int mask) 43static int hfsplus_releasepage(struct page *page, gfp_t mask)
44{ 44{
45 struct inode *inode = page->mapping->host; 45 struct inode *inode = page->mapping->host;
46 struct super_block *sb = inode->i_sb; 46 struct super_block *sb = inode->i_sb;
diff --git a/fs/inode.c b/fs/inode.c
index f80a79ff156b..7d3316527767 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -475,7 +475,7 @@ static void prune_icache(int nr_to_scan)
475 * This function is passed the number of inodes to scan, and it returns the 475 * This function is passed the number of inodes to scan, and it returns the
476 * total number of remaining possibly-reclaimable inodes. 476 * total number of remaining possibly-reclaimable inodes.
477 */ 477 */
478static int shrink_icache_memory(int nr, unsigned int gfp_mask) 478static int shrink_icache_memory(int nr, gfp_t gfp_mask)
479{ 479{
480 if (nr) { 480 if (nr) {
481 /* 481 /*
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 7ae2c4fe506b..e4b516ac4989 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1606,7 +1606,7 @@ int journal_blocks_per_page(struct inode *inode)
1606 * Simple support for retrying memory allocations. Introduced to help to 1606 * Simple support for retrying memory allocations. Introduced to help to
1607 * debug different VM deadlock avoidance strategies. 1607 * debug different VM deadlock avoidance strategies.
1608 */ 1608 */
1609void * __jbd_kmalloc (const char *where, size_t size, int flags, int retry) 1609void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry)
1610{ 1610{
1611 return kmalloc(size, flags | (retry ? __GFP_NOFAIL : 0)); 1611 return kmalloc(size, flags | (retry ? __GFP_NOFAIL : 0));
1612} 1612}
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 49bbc2be3d72..13cb05bf6048 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1621,7 +1621,7 @@ out:
1621 * while the data is part of a transaction. Yes? 1621 * while the data is part of a transaction. Yes?
1622 */ 1622 */
1623int journal_try_to_free_buffers(journal_t *journal, 1623int journal_try_to_free_buffers(journal_t *journal,
1624 struct page *page, int unused_gfp_mask) 1624 struct page *page, gfp_t unused_gfp_mask)
1625{ 1625{
1626 struct buffer_head *head; 1626 struct buffer_head *head;
1627 struct buffer_head *bh; 1627 struct buffer_head *bh;
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 13d7e3f1feb4..eeb37d70e650 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -198,7 +198,7 @@ static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
198 } 198 }
199} 199}
200 200
201static inline struct metapage *alloc_metapage(unsigned int gfp_mask) 201static inline struct metapage *alloc_metapage(gfp_t gfp_mask)
202{ 202{
203 return mempool_alloc(metapage_mempool, gfp_mask); 203 return mempool_alloc(metapage_mempool, gfp_mask);
204} 204}
@@ -534,7 +534,7 @@ add_failed:
534 return -EIO; 534 return -EIO;
535} 535}
536 536
537static int metapage_releasepage(struct page *page, int gfp_mask) 537static int metapage_releasepage(struct page *page, gfp_t gfp_mask)
538{ 538{
539 struct metapage *mp; 539 struct metapage *mp;
540 int busy = 0; 540 int busy = 0;
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 82c77df81c5f..c4c8601096e0 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -173,11 +173,10 @@ nlm_bind_host(struct nlm_host *host)
173 173
174 /* If we've already created an RPC client, check whether 174 /* If we've already created an RPC client, check whether
175 * RPC rebind is required 175 * RPC rebind is required
176 * Note: why keep rebinding if we're on a tcp connection?
177 */ 176 */
178 if ((clnt = host->h_rpcclnt) != NULL) { 177 if ((clnt = host->h_rpcclnt) != NULL) {
179 xprt = clnt->cl_xprt; 178 xprt = clnt->cl_xprt;
180 if (!xprt->stream && time_after_eq(jiffies, host->h_nextrebind)) { 179 if (time_after_eq(jiffies, host->h_nextrebind)) {
181 clnt->cl_port = 0; 180 clnt->cl_port = 0;
182 host->h_nextrebind = jiffies + NLM_HOST_REBIND; 181 host->h_nextrebind = jiffies + NLM_HOST_REBIND;
183 dprintk("lockd: next rebind in %ld jiffies\n", 182 dprintk("lockd: next rebind in %ld jiffies\n",
@@ -189,7 +188,6 @@ nlm_bind_host(struct nlm_host *host)
189 goto forgetit; 188 goto forgetit;
190 189
191 xprt_set_timeout(&xprt->timeout, 5, nlmsvc_timeout); 190 xprt_set_timeout(&xprt->timeout, 5, nlmsvc_timeout);
192 xprt->nocong = 1; /* No congestion control for NLM */
193 xprt->resvport = 1; /* NLM requires a reserved port */ 191 xprt->resvport = 1; /* NLM requires a reserved port */
194 192
195 /* Existing NLM servers accept AUTH_UNIX only */ 193 /* Existing NLM servers accept AUTH_UNIX only */
diff --git a/fs/locks.c b/fs/locks.c
index f7daa5f48949..a1e8b2248014 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -316,21 +316,22 @@ static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,
316 /* POSIX-1996 leaves the case l->l_len < 0 undefined; 316 /* POSIX-1996 leaves the case l->l_len < 0 undefined;
317 POSIX-2001 defines it. */ 317 POSIX-2001 defines it. */
318 start += l->l_start; 318 start += l->l_start;
319 end = start + l->l_len - 1; 319 if (start < 0)
320 if (l->l_len < 0) { 320 return -EINVAL;
321 fl->fl_end = OFFSET_MAX;
322 if (l->l_len > 0) {
323 end = start + l->l_len - 1;
324 fl->fl_end = end;
325 } else if (l->l_len < 0) {
321 end = start - 1; 326 end = start - 1;
327 fl->fl_end = end;
322 start += l->l_len; 328 start += l->l_len;
329 if (start < 0)
330 return -EINVAL;
323 } 331 }
324
325 if (start < 0)
326 return -EINVAL;
327 if (l->l_len > 0 && end < 0)
328 return -EOVERFLOW;
329
330 fl->fl_start = start; /* we record the absolute position */ 332 fl->fl_start = start; /* we record the absolute position */
331 fl->fl_end = end; 333 if (fl->fl_end < fl->fl_start)
332 if (l->l_len == 0) 334 return -EOVERFLOW;
333 fl->fl_end = OFFSET_MAX;
334 335
335 fl->fl_owner = current->files; 336 fl->fl_owner = current->files;
336 fl->fl_pid = current->tgid; 337 fl->fl_pid = current->tgid;
@@ -362,14 +363,21 @@ static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,
362 return -EINVAL; 363 return -EINVAL;
363 } 364 }
364 365
365 if (((start += l->l_start) < 0) || (l->l_len < 0)) 366 start += l->l_start;
367 if (start < 0)
366 return -EINVAL; 368 return -EINVAL;
367 fl->fl_end = start + l->l_len - 1; 369 fl->fl_end = OFFSET_MAX;
368 if (l->l_len > 0 && fl->fl_end < 0) 370 if (l->l_len > 0) {
369 return -EOVERFLOW; 371 fl->fl_end = start + l->l_len - 1;
372 } else if (l->l_len < 0) {
373 fl->fl_end = start - 1;
374 start += l->l_len;
375 if (start < 0)
376 return -EINVAL;
377 }
370 fl->fl_start = start; /* we record the absolute position */ 378 fl->fl_start = start; /* we record the absolute position */
371 if (l->l_len == 0) 379 if (fl->fl_end < fl->fl_start)
372 fl->fl_end = OFFSET_MAX; 380 return -EOVERFLOW;
373 381
374 fl->fl_owner = current->files; 382 fl->fl_owner = current->files;
375 fl->fl_pid = current->tgid; 383 fl->fl_pid = current->tgid;
@@ -829,12 +837,16 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request)
829 /* Detect adjacent or overlapping regions (if same lock type) 837 /* Detect adjacent or overlapping regions (if same lock type)
830 */ 838 */
831 if (request->fl_type == fl->fl_type) { 839 if (request->fl_type == fl->fl_type) {
840 /* In all comparisons of start vs end, use
841 * "start - 1" rather than "end + 1". If end
842 * is OFFSET_MAX, end + 1 will become negative.
843 */
832 if (fl->fl_end < request->fl_start - 1) 844 if (fl->fl_end < request->fl_start - 1)
833 goto next_lock; 845 goto next_lock;
834 /* If the next lock in the list has entirely bigger 846 /* If the next lock in the list has entirely bigger
835 * addresses than the new one, insert the lock here. 847 * addresses than the new one, insert the lock here.
836 */ 848 */
837 if (fl->fl_start > request->fl_end + 1) 849 if (fl->fl_start - 1 > request->fl_end)
838 break; 850 break;
839 851
840 /* If we come here, the new and old lock are of the 852 /* If we come here, the new and old lock are of the
diff --git a/fs/mbcache.c b/fs/mbcache.c
index b002a088857d..298997f17475 100644
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -116,7 +116,7 @@ mb_cache_indexes(struct mb_cache *cache)
116 * What the mbcache registers as to get shrunk dynamically. 116 * What the mbcache registers as to get shrunk dynamically.
117 */ 117 */
118 118
119static int mb_cache_shrink_fn(int nr_to_scan, unsigned int gfp_mask); 119static int mb_cache_shrink_fn(int nr_to_scan, gfp_t gfp_mask);
120 120
121 121
122static inline int 122static inline int
@@ -140,7 +140,7 @@ __mb_cache_entry_unhash(struct mb_cache_entry *ce)
140 140
141 141
142static inline void 142static inline void
143__mb_cache_entry_forget(struct mb_cache_entry *ce, int gfp_mask) 143__mb_cache_entry_forget(struct mb_cache_entry *ce, gfp_t gfp_mask)
144{ 144{
145 struct mb_cache *cache = ce->e_cache; 145 struct mb_cache *cache = ce->e_cache;
146 146
@@ -193,7 +193,7 @@ forget:
193 * Returns the number of objects which are present in the cache. 193 * Returns the number of objects which are present in the cache.
194 */ 194 */
195static int 195static int
196mb_cache_shrink_fn(int nr_to_scan, unsigned int gfp_mask) 196mb_cache_shrink_fn(int nr_to_scan, gfp_t gfp_mask)
197{ 197{
198 LIST_HEAD(free_list); 198 LIST_HEAD(free_list);
199 struct list_head *l, *ltmp; 199 struct list_head *l, *ltmp;
diff --git a/fs/namei.c b/fs/namei.c
index aa62dbda93ac..aaaa81036234 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -28,6 +28,7 @@
28#include <linux/syscalls.h> 28#include <linux/syscalls.h>
29#include <linux/mount.h> 29#include <linux/mount.h>
30#include <linux/audit.h> 30#include <linux/audit.h>
31#include <linux/file.h>
31#include <asm/namei.h> 32#include <asm/namei.h>
32#include <asm/uaccess.h> 33#include <asm/uaccess.h>
33 34
@@ -317,6 +318,18 @@ void path_release_on_umount(struct nameidata *nd)
317 mntput_no_expire(nd->mnt); 318 mntput_no_expire(nd->mnt);
318} 319}
319 320
321/**
322 * release_open_intent - free up open intent resources
323 * @nd: pointer to nameidata
324 */
325void release_open_intent(struct nameidata *nd)
326{
327 if (nd->intent.open.file->f_dentry == NULL)
328 put_filp(nd->intent.open.file);
329 else
330 fput(nd->intent.open.file);
331}
332
320/* 333/*
321 * Internal lookup() using the new generic dcache. 334 * Internal lookup() using the new generic dcache.
322 * SMP-safe 335 * SMP-safe
@@ -750,6 +763,7 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd)
750 struct qstr this; 763 struct qstr this;
751 unsigned int c; 764 unsigned int c;
752 765
766 nd->flags |= LOOKUP_CONTINUE;
753 err = exec_permission_lite(inode, nd); 767 err = exec_permission_lite(inode, nd);
754 if (err == -EAGAIN) { 768 if (err == -EAGAIN) {
755 err = permission(inode, MAY_EXEC, nd); 769 err = permission(inode, MAY_EXEC, nd);
@@ -802,7 +816,6 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd)
802 if (err < 0) 816 if (err < 0)
803 break; 817 break;
804 } 818 }
805 nd->flags |= LOOKUP_CONTINUE;
806 /* This does the actual lookups.. */ 819 /* This does the actual lookups.. */
807 err = do_lookup(nd, &this, &next); 820 err = do_lookup(nd, &this, &next);
808 if (err) 821 if (err)
@@ -1052,6 +1065,70 @@ out:
1052 return retval; 1065 return retval;
1053} 1066}
1054 1067
1068static int __path_lookup_intent_open(const char *name, unsigned int lookup_flags,
1069 struct nameidata *nd, int open_flags, int create_mode)
1070{
1071 struct file *filp = get_empty_filp();
1072 int err;
1073
1074 if (filp == NULL)
1075 return -ENFILE;
1076 nd->intent.open.file = filp;
1077 nd->intent.open.flags = open_flags;
1078 nd->intent.open.create_mode = create_mode;
1079 err = path_lookup(name, lookup_flags|LOOKUP_OPEN, nd);
1080 if (IS_ERR(nd->intent.open.file)) {
1081 if (err == 0) {
1082 err = PTR_ERR(nd->intent.open.file);
1083 path_release(nd);
1084 }
1085 } else if (err != 0)
1086 release_open_intent(nd);
1087 return err;
1088}
1089
1090/**
1091 * path_lookup_open - lookup a file path with open intent
1092 * @name: pointer to file name
1093 * @lookup_flags: lookup intent flags
1094 * @nd: pointer to nameidata
1095 * @open_flags: open intent flags
1096 */
1097int path_lookup_open(const char *name, unsigned int lookup_flags,
1098 struct nameidata *nd, int open_flags)
1099{
1100 return __path_lookup_intent_open(name, lookup_flags, nd,
1101 open_flags, 0);
1102}
1103
1104/**
1105 * path_lookup_create - lookup a file path with open + create intent
1106 * @name: pointer to file name
1107 * @lookup_flags: lookup intent flags
1108 * @nd: pointer to nameidata
1109 * @open_flags: open intent flags
1110 * @create_mode: create intent flags
1111 */
1112int path_lookup_create(const char *name, unsigned int lookup_flags,
1113 struct nameidata *nd, int open_flags, int create_mode)
1114{
1115 return __path_lookup_intent_open(name, lookup_flags|LOOKUP_CREATE, nd,
1116 open_flags, create_mode);
1117}
1118
1119int __user_path_lookup_open(const char __user *name, unsigned int lookup_flags,
1120 struct nameidata *nd, int open_flags)
1121{
1122 char *tmp = getname(name);
1123 int err = PTR_ERR(tmp);
1124
1125 if (!IS_ERR(tmp)) {
1126 err = __path_lookup_intent_open(tmp, lookup_flags, nd, open_flags, 0);
1127 putname(tmp);
1128 }
1129 return err;
1130}
1131
1055/* 1132/*
1056 * Restricted form of lookup. Doesn't follow links, single-component only, 1133 * Restricted form of lookup. Doesn't follow links, single-component only,
1057 * needs parent already locked. Doesn't follow mounts. 1134 * needs parent already locked. Doesn't follow mounts.
@@ -1416,27 +1493,27 @@ int may_open(struct nameidata *nd, int acc_mode, int flag)
1416 */ 1493 */
1417int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd) 1494int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd)
1418{ 1495{
1419 int acc_mode, error = 0; 1496 int acc_mode, error;
1420 struct path path; 1497 struct path path;
1421 struct dentry *dir; 1498 struct dentry *dir;
1422 int count = 0; 1499 int count = 0;
1423 1500
1424 acc_mode = ACC_MODE(flag); 1501 acc_mode = ACC_MODE(flag);
1425 1502
1503 /* O_TRUNC implies we need access checks for write permissions */
1504 if (flag & O_TRUNC)
1505 acc_mode |= MAY_WRITE;
1506
1426 /* Allow the LSM permission hook to distinguish append 1507 /* Allow the LSM permission hook to distinguish append
1427 access from general write access. */ 1508 access from general write access. */
1428 if (flag & O_APPEND) 1509 if (flag & O_APPEND)
1429 acc_mode |= MAY_APPEND; 1510 acc_mode |= MAY_APPEND;
1430 1511
1431 /* Fill in the open() intent data */
1432 nd->intent.open.flags = flag;
1433 nd->intent.open.create_mode = mode;
1434
1435 /* 1512 /*
1436 * The simplest case - just a plain lookup. 1513 * The simplest case - just a plain lookup.
1437 */ 1514 */
1438 if (!(flag & O_CREAT)) { 1515 if (!(flag & O_CREAT)) {
1439 error = path_lookup(pathname, lookup_flags(flag)|LOOKUP_OPEN, nd); 1516 error = path_lookup_open(pathname, lookup_flags(flag), nd, flag);
1440 if (error) 1517 if (error)
1441 return error; 1518 return error;
1442 goto ok; 1519 goto ok;
@@ -1445,7 +1522,7 @@ int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd)
1445 /* 1522 /*
1446 * Create - we need to know the parent. 1523 * Create - we need to know the parent.
1447 */ 1524 */
1448 error = path_lookup(pathname, LOOKUP_PARENT|LOOKUP_OPEN|LOOKUP_CREATE, nd); 1525 error = path_lookup_create(pathname, LOOKUP_PARENT, nd, flag, mode);
1449 if (error) 1526 if (error)
1450 return error; 1527 return error;
1451 1528
@@ -1520,6 +1597,8 @@ ok:
1520exit_dput: 1597exit_dput:
1521 dput_path(&path, nd); 1598 dput_path(&path, nd);
1522exit: 1599exit:
1600 if (!IS_ERR(nd->intent.open.file))
1601 release_open_intent(nd);
1523 path_release(nd); 1602 path_release(nd);
1524 return error; 1603 return error;
1525 1604
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 4a36839f0bbd..44135af9894c 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -142,7 +142,7 @@ static void nfs_msync_inode(struct inode *inode)
142/* 142/*
143 * Basic procedure for returning a delegation to the server 143 * Basic procedure for returning a delegation to the server
144 */ 144 */
145int nfs_inode_return_delegation(struct inode *inode) 145int __nfs_inode_return_delegation(struct inode *inode)
146{ 146{
147 struct nfs4_client *clp = NFS_SERVER(inode)->nfs4_state; 147 struct nfs4_client *clp = NFS_SERVER(inode)->nfs4_state;
148 struct nfs_inode *nfsi = NFS_I(inode); 148 struct nfs_inode *nfsi = NFS_I(inode);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 3f6c45a29d6a..8017846b561f 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -25,7 +25,7 @@ struct nfs_delegation {
25 25
26int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res); 26int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
27void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res); 27void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
28int nfs_inode_return_delegation(struct inode *inode); 28int __nfs_inode_return_delegation(struct inode *inode);
29int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid); 29int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid);
30 30
31struct inode *nfs_delegation_find_inode(struct nfs4_client *clp, const struct nfs_fh *fhandle); 31struct inode *nfs_delegation_find_inode(struct nfs4_client *clp, const struct nfs_fh *fhandle);
@@ -47,11 +47,25 @@ static inline int nfs_have_delegation(struct inode *inode, int flags)
47 return 1; 47 return 1;
48 return 0; 48 return 0;
49} 49}
50
51static inline int nfs_inode_return_delegation(struct inode *inode)
52{
53 int err = 0;
54
55 if (NFS_I(inode)->delegation != NULL)
56 err = __nfs_inode_return_delegation(inode);
57 return err;
58}
50#else 59#else
51static inline int nfs_have_delegation(struct inode *inode, int flags) 60static inline int nfs_have_delegation(struct inode *inode, int flags)
52{ 61{
53 return 0; 62 return 0;
54} 63}
64
65static inline int nfs_inode_return_delegation(struct inode *inode)
66{
67 return 0;
68}
55#endif 69#endif
56 70
57#endif 71#endif
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 2df639f143e8..8272ed3fc707 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -532,6 +532,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
532 my_entry.eof = 0; 532 my_entry.eof = 0;
533 my_entry.fh = &fh; 533 my_entry.fh = &fh;
534 my_entry.fattr = &fattr; 534 my_entry.fattr = &fattr;
535 nfs_fattr_init(&fattr);
535 desc->entry = &my_entry; 536 desc->entry = &my_entry;
536 537
537 while(!desc->entry->eof) { 538 while(!desc->entry->eof) {
@@ -565,8 +566,6 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
565 } 566 }
566 } 567 }
567 unlock_kernel(); 568 unlock_kernel();
568 if (desc->error < 0)
569 return desc->error;
570 if (res < 0) 569 if (res < 0)
571 return res; 570 return res;
572 return 0; 571 return 0;
@@ -803,6 +802,7 @@ static int nfs_dentry_delete(struct dentry *dentry)
803 */ 802 */
804static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode) 803static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode)
805{ 804{
805 nfs_inode_return_delegation(inode);
806 if (dentry->d_flags & DCACHE_NFSFS_RENAMED) { 806 if (dentry->d_flags & DCACHE_NFSFS_RENAMED) {
807 lock_kernel(); 807 lock_kernel();
808 inode->i_nlink--; 808 inode->i_nlink--;
@@ -853,12 +853,6 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru
853 dentry->d_op = NFS_PROTO(dir)->dentry_ops; 853 dentry->d_op = NFS_PROTO(dir)->dentry_ops;
854 854
855 lock_kernel(); 855 lock_kernel();
856 /* Revalidate parent directory attribute cache */
857 error = nfs_revalidate_inode(NFS_SERVER(dir), dir);
858 if (error < 0) {
859 res = ERR_PTR(error);
860 goto out_unlock;
861 }
862 856
863 /* If we're doing an exclusive create, optimize away the lookup */ 857 /* If we're doing an exclusive create, optimize away the lookup */
864 if (nfs_is_exclusive_create(dir, nd)) 858 if (nfs_is_exclusive_create(dir, nd))
@@ -916,7 +910,6 @@ static int is_atomic_open(struct inode *dir, struct nameidata *nd)
916static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) 910static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
917{ 911{
918 struct dentry *res = NULL; 912 struct dentry *res = NULL;
919 struct inode *inode = NULL;
920 int error; 913 int error;
921 914
922 /* Check that we are indeed trying to open this file */ 915 /* Check that we are indeed trying to open this file */
@@ -930,8 +923,10 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
930 dentry->d_op = NFS_PROTO(dir)->dentry_ops; 923 dentry->d_op = NFS_PROTO(dir)->dentry_ops;
931 924
932 /* Let vfs_create() deal with O_EXCL */ 925 /* Let vfs_create() deal with O_EXCL */
933 if (nd->intent.open.flags & O_EXCL) 926 if (nd->intent.open.flags & O_EXCL) {
934 goto no_entry; 927 d_add(dentry, NULL);
928 goto out;
929 }
935 930
936 /* Open the file on the server */ 931 /* Open the file on the server */
937 lock_kernel(); 932 lock_kernel();
@@ -945,32 +940,30 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
945 940
946 if (nd->intent.open.flags & O_CREAT) { 941 if (nd->intent.open.flags & O_CREAT) {
947 nfs_begin_data_update(dir); 942 nfs_begin_data_update(dir);
948 inode = nfs4_atomic_open(dir, dentry, nd); 943 res = nfs4_atomic_open(dir, dentry, nd);
949 nfs_end_data_update(dir); 944 nfs_end_data_update(dir);
950 } else 945 } else
951 inode = nfs4_atomic_open(dir, dentry, nd); 946 res = nfs4_atomic_open(dir, dentry, nd);
952 unlock_kernel(); 947 unlock_kernel();
953 if (IS_ERR(inode)) { 948 if (IS_ERR(res)) {
954 error = PTR_ERR(inode); 949 error = PTR_ERR(res);
955 switch (error) { 950 switch (error) {
956 /* Make a negative dentry */ 951 /* Make a negative dentry */
957 case -ENOENT: 952 case -ENOENT:
958 inode = NULL; 953 res = NULL;
959 break; 954 goto out;
960 /* This turned out not to be a regular file */ 955 /* This turned out not to be a regular file */
956 case -EISDIR:
957 case -ENOTDIR:
958 goto no_open;
961 case -ELOOP: 959 case -ELOOP:
962 if (!(nd->intent.open.flags & O_NOFOLLOW)) 960 if (!(nd->intent.open.flags & O_NOFOLLOW))
963 goto no_open; 961 goto no_open;
964 /* case -EISDIR: */
965 /* case -EINVAL: */ 962 /* case -EINVAL: */
966 default: 963 default:
967 res = ERR_PTR(error);
968 goto out; 964 goto out;
969 } 965 }
970 } 966 } else if (res != NULL)
971no_entry:
972 res = d_add_unique(dentry, inode);
973 if (res != NULL)
974 dentry = res; 967 dentry = res;
975 nfs_renew_times(dentry); 968 nfs_renew_times(dentry);
976 nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); 969 nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
@@ -1014,7 +1007,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
1014 */ 1007 */
1015 lock_kernel(); 1008 lock_kernel();
1016 verifier = nfs_save_change_attribute(dir); 1009 verifier = nfs_save_change_attribute(dir);
1017 ret = nfs4_open_revalidate(dir, dentry, openflags); 1010 ret = nfs4_open_revalidate(dir, dentry, openflags, nd);
1018 if (!ret) 1011 if (!ret)
1019 nfs_set_verifier(dentry, verifier); 1012 nfs_set_verifier(dentry, verifier);
1020 unlock_kernel(); 1013 unlock_kernel();
@@ -1137,7 +1130,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
1137 1130
1138 lock_kernel(); 1131 lock_kernel();
1139 nfs_begin_data_update(dir); 1132 nfs_begin_data_update(dir);
1140 error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags); 1133 error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, nd);
1141 nfs_end_data_update(dir); 1134 nfs_end_data_update(dir);
1142 if (error != 0) 1135 if (error != 0)
1143 goto out_err; 1136 goto out_err;
@@ -1332,6 +1325,7 @@ static int nfs_safe_remove(struct dentry *dentry)
1332 1325
1333 nfs_begin_data_update(dir); 1326 nfs_begin_data_update(dir);
1334 if (inode != NULL) { 1327 if (inode != NULL) {
1328 nfs_inode_return_delegation(inode);
1335 nfs_begin_data_update(inode); 1329 nfs_begin_data_update(inode);
1336 error = NFS_PROTO(dir)->remove(dir, &dentry->d_name); 1330 error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
1337 /* The VFS may want to delete this inode */ 1331 /* The VFS may want to delete this inode */
@@ -1438,17 +1432,14 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
1438 old_dentry->d_parent->d_name.name, old_dentry->d_name.name, 1432 old_dentry->d_parent->d_name.name, old_dentry->d_name.name,
1439 dentry->d_parent->d_name.name, dentry->d_name.name); 1433 dentry->d_parent->d_name.name, dentry->d_name.name);
1440 1434
1441 /*
1442 * Drop the dentry in advance to force a new lookup.
1443 * Since nfs_proc_link doesn't return a file handle,
1444 * we can't use the existing dentry.
1445 */
1446 lock_kernel(); 1435 lock_kernel();
1447 d_drop(dentry);
1448
1449 nfs_begin_data_update(dir); 1436 nfs_begin_data_update(dir);
1450 nfs_begin_data_update(inode); 1437 nfs_begin_data_update(inode);
1451 error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name); 1438 error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
1439 if (error == 0) {
1440 atomic_inc(&inode->i_count);
1441 d_instantiate(dentry, inode);
1442 }
1452 nfs_end_data_update(inode); 1443 nfs_end_data_update(inode);
1453 nfs_end_data_update(dir); 1444 nfs_end_data_update(dir);
1454 unlock_kernel(); 1445 unlock_kernel();
@@ -1512,9 +1503,11 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
1512 */ 1503 */
1513 if (!new_inode) 1504 if (!new_inode)
1514 goto go_ahead; 1505 goto go_ahead;
1515 if (S_ISDIR(new_inode->i_mode)) 1506 if (S_ISDIR(new_inode->i_mode)) {
1516 goto out; 1507 error = -EISDIR;
1517 else if (atomic_read(&new_dentry->d_count) > 2) { 1508 if (!S_ISDIR(old_inode->i_mode))
1509 goto out;
1510 } else if (atomic_read(&new_dentry->d_count) > 2) {
1518 int err; 1511 int err;
1519 /* copy the target dentry's name */ 1512 /* copy the target dentry's name */
1520 dentry = d_alloc(new_dentry->d_parent, 1513 dentry = d_alloc(new_dentry->d_parent,
@@ -1539,7 +1532,8 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
1539#endif 1532#endif
1540 goto out; 1533 goto out;
1541 } 1534 }
1542 } 1535 } else
1536 new_inode->i_nlink--;
1543 1537
1544go_ahead: 1538go_ahead:
1545 /* 1539 /*
@@ -1549,6 +1543,7 @@ go_ahead:
1549 nfs_wb_all(old_inode); 1543 nfs_wb_all(old_inode);
1550 shrink_dcache_parent(old_dentry); 1544 shrink_dcache_parent(old_dentry);
1551 } 1545 }
1546 nfs_inode_return_delegation(old_inode);
1552 1547
1553 if (new_inode) 1548 if (new_inode)
1554 d_delete(new_dentry); 1549 d_delete(new_dentry);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 6bdcfa95de94..57d3e77d97ee 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -205,8 +205,8 @@ nfs_file_flush(struct file *file)
205 if (!status) { 205 if (!status) {
206 status = ctx->error; 206 status = ctx->error;
207 ctx->error = 0; 207 ctx->error = 0;
208 if (!status && !nfs_have_delegation(inode, FMODE_READ)) 208 if (!status)
209 __nfs_revalidate_inode(NFS_SERVER(inode), inode); 209 nfs_revalidate_inode(NFS_SERVER(inode), inode);
210 } 210 }
211 unlock_kernel(); 211 unlock_kernel();
212 return status; 212 return status;
@@ -376,22 +376,31 @@ out_swapfile:
376 376
377static int do_getlk(struct file *filp, int cmd, struct file_lock *fl) 377static int do_getlk(struct file *filp, int cmd, struct file_lock *fl)
378{ 378{
379 struct file_lock *cfl;
379 struct inode *inode = filp->f_mapping->host; 380 struct inode *inode = filp->f_mapping->host;
380 int status = 0; 381 int status = 0;
381 382
382 lock_kernel(); 383 lock_kernel();
383 /* Use local locking if mounted with "-onolock" */ 384 /* Try local locking first */
384 if (!(NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM)) 385 cfl = posix_test_lock(filp, fl);
385 status = NFS_PROTO(inode)->lock(filp, cmd, fl); 386 if (cfl != NULL) {
386 else { 387 locks_copy_lock(fl, cfl);
387 struct file_lock *cfl = posix_test_lock(filp, fl); 388 goto out;
388
389 fl->fl_type = F_UNLCK;
390 if (cfl != NULL)
391 memcpy(fl, cfl, sizeof(*fl));
392 } 389 }
390
391 if (nfs_have_delegation(inode, FMODE_READ))
392 goto out_noconflict;
393
394 if (NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM)
395 goto out_noconflict;
396
397 status = NFS_PROTO(inode)->lock(filp, cmd, fl);
398out:
393 unlock_kernel(); 399 unlock_kernel();
394 return status; 400 return status;
401out_noconflict:
402 fl->fl_type = F_UNLCK;
403 goto out;
395} 404}
396 405
397static int do_vfs_lock(struct file *file, struct file_lock *fl) 406static int do_vfs_lock(struct file *file, struct file_lock *fl)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index d4eadeea128e..f2781ca42761 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -358,6 +358,35 @@ out_no_root:
358 return no_root_error; 358 return no_root_error;
359} 359}
360 360
361static void nfs_init_timeout_values(struct rpc_timeout *to, int proto, unsigned int timeo, unsigned int retrans)
362{
363 to->to_initval = timeo * HZ / 10;
364 to->to_retries = retrans;
365 if (!to->to_retries)
366 to->to_retries = 2;
367
368 switch (proto) {
369 case IPPROTO_TCP:
370 if (!to->to_initval)
371 to->to_initval = 60 * HZ;
372 if (to->to_initval > NFS_MAX_TCP_TIMEOUT)
373 to->to_initval = NFS_MAX_TCP_TIMEOUT;
374 to->to_increment = to->to_initval;
375 to->to_maxval = to->to_initval + (to->to_increment * to->to_retries);
376 to->to_exponential = 0;
377 break;
378 case IPPROTO_UDP:
379 default:
380 if (!to->to_initval)
381 to->to_initval = 11 * HZ / 10;
382 if (to->to_initval > NFS_MAX_UDP_TIMEOUT)
383 to->to_initval = NFS_MAX_UDP_TIMEOUT;
384 to->to_maxval = NFS_MAX_UDP_TIMEOUT;
385 to->to_exponential = 1;
386 break;
387 }
388}
389
361/* 390/*
362 * Create an RPC client handle. 391 * Create an RPC client handle.
363 */ 392 */
@@ -367,22 +396,12 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data)
367 struct rpc_timeout timeparms; 396 struct rpc_timeout timeparms;
368 struct rpc_xprt *xprt = NULL; 397 struct rpc_xprt *xprt = NULL;
369 struct rpc_clnt *clnt = NULL; 398 struct rpc_clnt *clnt = NULL;
370 int tcp = (data->flags & NFS_MOUNT_TCP); 399 int proto = (data->flags & NFS_MOUNT_TCP) ? IPPROTO_TCP : IPPROTO_UDP;
371
372 /* Initialize timeout values */
373 timeparms.to_initval = data->timeo * HZ / 10;
374 timeparms.to_retries = data->retrans;
375 timeparms.to_maxval = tcp ? RPC_MAX_TCP_TIMEOUT : RPC_MAX_UDP_TIMEOUT;
376 timeparms.to_exponential = 1;
377 400
378 if (!timeparms.to_initval) 401 nfs_init_timeout_values(&timeparms, proto, data->timeo, data->retrans);
379 timeparms.to_initval = (tcp ? 600 : 11) * HZ / 10;
380 if (!timeparms.to_retries)
381 timeparms.to_retries = 5;
382 402
383 /* create transport and client */ 403 /* create transport and client */
384 xprt = xprt_create_proto(tcp ? IPPROTO_TCP : IPPROTO_UDP, 404 xprt = xprt_create_proto(proto, &server->addr, &timeparms);
385 &server->addr, &timeparms);
386 if (IS_ERR(xprt)) { 405 if (IS_ERR(xprt)) {
387 dprintk("%s: cannot create RPC transport. Error = %ld\n", 406 dprintk("%s: cannot create RPC transport. Error = %ld\n",
388 __FUNCTION__, PTR_ERR(xprt)); 407 __FUNCTION__, PTR_ERR(xprt));
@@ -576,7 +595,6 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
576 { NFS_MOUNT_SOFT, ",soft", ",hard" }, 595 { NFS_MOUNT_SOFT, ",soft", ",hard" },
577 { NFS_MOUNT_INTR, ",intr", "" }, 596 { NFS_MOUNT_INTR, ",intr", "" },
578 { NFS_MOUNT_POSIX, ",posix", "" }, 597 { NFS_MOUNT_POSIX, ",posix", "" },
579 { NFS_MOUNT_TCP, ",tcp", ",udp" },
580 { NFS_MOUNT_NOCTO, ",nocto", "" }, 598 { NFS_MOUNT_NOCTO, ",nocto", "" },
581 { NFS_MOUNT_NOAC, ",noac", "" }, 599 { NFS_MOUNT_NOAC, ",noac", "" },
582 { NFS_MOUNT_NONLM, ",nolock", ",lock" }, 600 { NFS_MOUNT_NONLM, ",nolock", ",lock" },
@@ -585,6 +603,8 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
585 }; 603 };
586 struct proc_nfs_info *nfs_infop; 604 struct proc_nfs_info *nfs_infop;
587 struct nfs_server *nfss = NFS_SB(mnt->mnt_sb); 605 struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
606 char buf[12];
607 char *proto;
588 608
589 seq_printf(m, ",v%d", nfss->rpc_ops->version); 609 seq_printf(m, ",v%d", nfss->rpc_ops->version);
590 seq_printf(m, ",rsize=%d", nfss->rsize); 610 seq_printf(m, ",rsize=%d", nfss->rsize);
@@ -603,6 +623,18 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
603 else 623 else
604 seq_puts(m, nfs_infop->nostr); 624 seq_puts(m, nfs_infop->nostr);
605 } 625 }
626 switch (nfss->client->cl_xprt->prot) {
627 case IPPROTO_TCP:
628 proto = "tcp";
629 break;
630 case IPPROTO_UDP:
631 proto = "udp";
632 break;
633 default:
634 snprintf(buf, sizeof(buf), "%u", nfss->client->cl_xprt->prot);
635 proto = buf;
636 }
637 seq_printf(m, ",proto=%s", proto);
606 seq_puts(m, ",addr="); 638 seq_puts(m, ",addr=");
607 seq_escape(m, nfss->hostname, " \t\n\\"); 639 seq_escape(m, nfss->hostname, " \t\n\\");
608 return 0; 640 return 0;
@@ -753,7 +785,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
753 else 785 else
754 init_special_inode(inode, inode->i_mode, fattr->rdev); 786 init_special_inode(inode, inode->i_mode, fattr->rdev);
755 787
756 nfsi->read_cache_jiffies = fattr->timestamp; 788 nfsi->read_cache_jiffies = fattr->time_start;
789 nfsi->last_updated = jiffies;
757 inode->i_atime = fattr->atime; 790 inode->i_atime = fattr->atime;
758 inode->i_mtime = fattr->mtime; 791 inode->i_mtime = fattr->mtime;
759 inode->i_ctime = fattr->ctime; 792 inode->i_ctime = fattr->ctime;
@@ -821,6 +854,11 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr)
821 filemap_fdatawait(inode->i_mapping); 854 filemap_fdatawait(inode->i_mapping);
822 nfs_wb_all(inode); 855 nfs_wb_all(inode);
823 } 856 }
857 /*
858 * Return any delegations if we're going to change ACLs
859 */
860 if ((attr->ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) != 0)
861 nfs_inode_return_delegation(inode);
824 error = NFS_PROTO(inode)->setattr(dentry, &fattr, attr); 862 error = NFS_PROTO(inode)->setattr(dentry, &fattr, attr);
825 if (error == 0) 863 if (error == 0)
826 nfs_refresh_inode(inode, &fattr); 864 nfs_refresh_inode(inode, &fattr);
@@ -1019,15 +1057,11 @@ int nfs_open(struct inode *inode, struct file *filp)
1019 ctx->mode = filp->f_mode; 1057 ctx->mode = filp->f_mode;
1020 nfs_file_set_open_context(filp, ctx); 1058 nfs_file_set_open_context(filp, ctx);
1021 put_nfs_open_context(ctx); 1059 put_nfs_open_context(ctx);
1022 if ((filp->f_mode & FMODE_WRITE) != 0)
1023 nfs_begin_data_update(inode);
1024 return 0; 1060 return 0;
1025} 1061}
1026 1062
1027int nfs_release(struct inode *inode, struct file *filp) 1063int nfs_release(struct inode *inode, struct file *filp)
1028{ 1064{
1029 if ((filp->f_mode & FMODE_WRITE) != 0)
1030 nfs_end_data_update(inode);
1031 nfs_file_clear_open_context(filp); 1065 nfs_file_clear_open_context(filp);
1032 return 0; 1066 return 0;
1033} 1067}
@@ -1083,14 +1117,15 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
1083 goto out; 1117 goto out;
1084 } 1118 }
1085 1119
1120 spin_lock(&inode->i_lock);
1086 status = nfs_update_inode(inode, &fattr, verifier); 1121 status = nfs_update_inode(inode, &fattr, verifier);
1087 if (status) { 1122 if (status) {
1123 spin_unlock(&inode->i_lock);
1088 dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) refresh failed, error=%d\n", 1124 dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) refresh failed, error=%d\n",
1089 inode->i_sb->s_id, 1125 inode->i_sb->s_id,
1090 (long long)NFS_FILEID(inode), status); 1126 (long long)NFS_FILEID(inode), status);
1091 goto out; 1127 goto out;
1092 } 1128 }
1093 spin_lock(&inode->i_lock);
1094 cache_validity = nfsi->cache_validity; 1129 cache_validity = nfsi->cache_validity;
1095 nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE; 1130 nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE;
1096 1131
@@ -1098,7 +1133,7 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
1098 * We may need to keep the attributes marked as invalid if 1133 * We may need to keep the attributes marked as invalid if
1099 * we raced with nfs_end_attr_update(). 1134 * we raced with nfs_end_attr_update().
1100 */ 1135 */
1101 if (verifier == nfsi->cache_change_attribute) 1136 if (time_after_eq(verifier, nfsi->cache_change_attribute))
1102 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME); 1137 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME);
1103 spin_unlock(&inode->i_lock); 1138 spin_unlock(&inode->i_lock);
1104 1139
@@ -1165,7 +1200,7 @@ void nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping)
1165 if (S_ISDIR(inode->i_mode)) { 1200 if (S_ISDIR(inode->i_mode)) {
1166 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf)); 1201 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
1167 /* This ensures we revalidate child dentries */ 1202 /* This ensures we revalidate child dentries */
1168 nfsi->cache_change_attribute++; 1203 nfsi->cache_change_attribute = jiffies;
1169 } 1204 }
1170 spin_unlock(&inode->i_lock); 1205 spin_unlock(&inode->i_lock);
1171 1206
@@ -1197,20 +1232,19 @@ void nfs_end_data_update(struct inode *inode)
1197 struct nfs_inode *nfsi = NFS_I(inode); 1232 struct nfs_inode *nfsi = NFS_I(inode);
1198 1233
1199 if (!nfs_have_delegation(inode, FMODE_READ)) { 1234 if (!nfs_have_delegation(inode, FMODE_READ)) {
1200 /* Mark the attribute cache for revalidation */ 1235 /* Directories and symlinks: invalidate page cache */
1201 spin_lock(&inode->i_lock); 1236 if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) {
1202 nfsi->cache_validity |= NFS_INO_INVALID_ATTR; 1237 spin_lock(&inode->i_lock);
1203 /* Directories and symlinks: invalidate page cache too */
1204 if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))
1205 nfsi->cache_validity |= NFS_INO_INVALID_DATA; 1238 nfsi->cache_validity |= NFS_INO_INVALID_DATA;
1206 spin_unlock(&inode->i_lock); 1239 spin_unlock(&inode->i_lock);
1240 }
1207 } 1241 }
1208 nfsi->cache_change_attribute ++; 1242 nfsi->cache_change_attribute = jiffies;
1209 atomic_dec(&nfsi->data_updates); 1243 atomic_dec(&nfsi->data_updates);
1210} 1244}
1211 1245
1212/** 1246/**
1213 * nfs_refresh_inode - verify consistency of the inode attribute cache 1247 * nfs_check_inode_attributes - verify consistency of the inode attribute cache
1214 * @inode - pointer to inode 1248 * @inode - pointer to inode
1215 * @fattr - updated attributes 1249 * @fattr - updated attributes
1216 * 1250 *
@@ -1218,13 +1252,12 @@ void nfs_end_data_update(struct inode *inode)
1218 * so that fattr carries weak cache consistency data, then it may 1252 * so that fattr carries weak cache consistency data, then it may
1219 * also update the ctime/mtime/change_attribute. 1253 * also update the ctime/mtime/change_attribute.
1220 */ 1254 */
1221int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr) 1255static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fattr)
1222{ 1256{
1223 struct nfs_inode *nfsi = NFS_I(inode); 1257 struct nfs_inode *nfsi = NFS_I(inode);
1224 loff_t cur_size, new_isize; 1258 loff_t cur_size, new_isize;
1225 int data_unstable; 1259 int data_unstable;
1226 1260
1227 spin_lock(&inode->i_lock);
1228 1261
1229 /* Are we in the process of updating data on the server? */ 1262 /* Are we in the process of updating data on the server? */
1230 data_unstable = nfs_caches_unstable(inode); 1263 data_unstable = nfs_caches_unstable(inode);
@@ -1288,11 +1321,67 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
1288 if (!timespec_equal(&inode->i_atime, &fattr->atime)) 1321 if (!timespec_equal(&inode->i_atime, &fattr->atime))
1289 nfsi->cache_validity |= NFS_INO_INVALID_ATIME; 1322 nfsi->cache_validity |= NFS_INO_INVALID_ATIME;
1290 1323
1291 nfsi->read_cache_jiffies = fattr->timestamp; 1324 nfsi->read_cache_jiffies = fattr->time_start;
1292 spin_unlock(&inode->i_lock);
1293 return 0; 1325 return 0;
1294} 1326}
1295 1327
1328/**
1329 * nfs_refresh_inode - try to update the inode attribute cache
1330 * @inode - pointer to inode
1331 * @fattr - updated attributes
1332 *
1333 * Check that an RPC call that returned attributes has not overlapped with
1334 * other recent updates of the inode metadata, then decide whether it is
1335 * safe to do a full update of the inode attributes, or whether just to
1336 * call nfs_check_inode_attributes.
1337 */
1338int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
1339{
1340 struct nfs_inode *nfsi = NFS_I(inode);
1341 int status;
1342
1343 if ((fattr->valid & NFS_ATTR_FATTR) == 0)
1344 return 0;
1345 spin_lock(&inode->i_lock);
1346 nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE;
1347 if (nfs_verify_change_attribute(inode, fattr->time_start))
1348 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME);
1349 if (time_after(fattr->time_start, nfsi->last_updated))
1350 status = nfs_update_inode(inode, fattr, fattr->time_start);
1351 else
1352 status = nfs_check_inode_attributes(inode, fattr);
1353
1354 spin_unlock(&inode->i_lock);
1355 return status;
1356}
1357
1358/**
1359 * nfs_post_op_update_inode - try to update the inode attribute cache
1360 * @inode - pointer to inode
1361 * @fattr - updated attributes
1362 *
1363 * After an operation that has changed the inode metadata, mark the
1364 * attribute cache as being invalid, then try to update it.
1365 */
1366int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1367{
1368 struct nfs_inode *nfsi = NFS_I(inode);
1369 int status = 0;
1370
1371 spin_lock(&inode->i_lock);
1372 if (unlikely((fattr->valid & NFS_ATTR_FATTR) == 0)) {
1373 nfsi->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS;
1374 goto out;
1375 }
1376 status = nfs_update_inode(inode, fattr, fattr->time_start);
1377 if (time_after_eq(fattr->time_start, nfsi->cache_change_attribute))
1378 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE);
1379 nfsi->cache_change_attribute = jiffies;
1380out:
1381 spin_unlock(&inode->i_lock);
1382 return status;
1383}
1384
1296/* 1385/*
1297 * Many nfs protocol calls return the new file attributes after 1386 * Many nfs protocol calls return the new file attributes after
1298 * an operation. Here we update the inode to reflect the state 1387 * an operation. Here we update the inode to reflect the state
@@ -1328,20 +1417,17 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
1328 goto out_err; 1417 goto out_err;
1329 } 1418 }
1330 1419
1331 spin_lock(&inode->i_lock);
1332
1333 /* 1420 /*
1334 * Make sure the inode's type hasn't changed. 1421 * Make sure the inode's type hasn't changed.
1335 */ 1422 */
1336 if ((inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) { 1423 if ((inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT))
1337 spin_unlock(&inode->i_lock);
1338 goto out_changed; 1424 goto out_changed;
1339 }
1340 1425
1341 /* 1426 /*
1342 * Update the read time so we don't revalidate too often. 1427 * Update the read time so we don't revalidate too often.
1343 */ 1428 */
1344 nfsi->read_cache_jiffies = fattr->timestamp; 1429 nfsi->read_cache_jiffies = fattr->time_start;
1430 nfsi->last_updated = jiffies;
1345 1431
1346 /* Are we racing with known updates of the metadata on the server? */ 1432 /* Are we racing with known updates of the metadata on the server? */
1347 data_unstable = ! (nfs_verify_change_attribute(inode, verifier) || 1433 data_unstable = ! (nfs_verify_change_attribute(inode, verifier) ||
@@ -1354,7 +1440,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
1354 /* Do we perhaps have any outstanding writes? */ 1440 /* Do we perhaps have any outstanding writes? */
1355 if (nfsi->npages == 0) { 1441 if (nfsi->npages == 0) {
1356 /* No, but did we race with nfs_end_data_update()? */ 1442 /* No, but did we race with nfs_end_data_update()? */
1357 if (verifier == nfsi->cache_change_attribute) { 1443 if (time_after_eq(verifier, nfsi->cache_change_attribute)) {
1358 inode->i_size = new_isize; 1444 inode->i_size = new_isize;
1359 invalid |= NFS_INO_INVALID_DATA; 1445 invalid |= NFS_INO_INVALID_DATA;
1360 } 1446 }
@@ -1430,7 +1516,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
1430 if (!nfs_have_delegation(inode, FMODE_READ)) 1516 if (!nfs_have_delegation(inode, FMODE_READ))
1431 nfsi->cache_validity |= invalid; 1517 nfsi->cache_validity |= invalid;
1432 1518
1433 spin_unlock(&inode->i_lock);
1434 return 0; 1519 return 0;
1435 out_changed: 1520 out_changed:
1436 /* 1521 /*
@@ -1639,8 +1724,7 @@ static void nfs4_clear_inode(struct inode *inode)
1639 struct nfs_inode *nfsi = NFS_I(inode); 1724 struct nfs_inode *nfsi = NFS_I(inode);
1640 1725
1641 /* If we are holding a delegation, return it! */ 1726 /* If we are holding a delegation, return it! */
1642 if (nfsi->delegation != NULL) 1727 nfs_inode_return_delegation(inode);
1643 nfs_inode_return_delegation(inode);
1644 /* First call standard NFS clear_inode() code */ 1728 /* First call standard NFS clear_inode() code */
1645 nfs_clear_inode(inode); 1729 nfs_clear_inode(inode);
1646 /* Now clear out any remaining state */ 1730 /* Now clear out any remaining state */
@@ -1669,7 +1753,7 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data,
1669 struct rpc_clnt *clnt = NULL; 1753 struct rpc_clnt *clnt = NULL;
1670 struct rpc_timeout timeparms; 1754 struct rpc_timeout timeparms;
1671 rpc_authflavor_t authflavour; 1755 rpc_authflavor_t authflavour;
1672 int proto, err = -EIO; 1756 int err = -EIO;
1673 1757
1674 sb->s_blocksize_bits = 0; 1758 sb->s_blocksize_bits = 0;
1675 sb->s_blocksize = 0; 1759 sb->s_blocksize = 0;
@@ -1687,30 +1771,8 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data,
1687 server->acdirmax = data->acdirmax*HZ; 1771 server->acdirmax = data->acdirmax*HZ;
1688 1772
1689 server->rpc_ops = &nfs_v4_clientops; 1773 server->rpc_ops = &nfs_v4_clientops;
1690 /* Initialize timeout values */
1691
1692 timeparms.to_initval = data->timeo * HZ / 10;
1693 timeparms.to_retries = data->retrans;
1694 timeparms.to_exponential = 1;
1695 if (!timeparms.to_retries)
1696 timeparms.to_retries = 5;
1697 1774
1698 proto = data->proto; 1775 nfs_init_timeout_values(&timeparms, data->proto, data->timeo, data->retrans);
1699 /* Which IP protocol do we use? */
1700 switch (proto) {
1701 case IPPROTO_TCP:
1702 timeparms.to_maxval = RPC_MAX_TCP_TIMEOUT;
1703 if (!timeparms.to_initval)
1704 timeparms.to_initval = 600 * HZ / 10;
1705 break;
1706 case IPPROTO_UDP:
1707 timeparms.to_maxval = RPC_MAX_UDP_TIMEOUT;
1708 if (!timeparms.to_initval)
1709 timeparms.to_initval = 11 * HZ / 10;
1710 break;
1711 default:
1712 return -EINVAL;
1713 }
1714 1776
1715 clp = nfs4_get_client(&server->addr.sin_addr); 1777 clp = nfs4_get_client(&server->addr.sin_addr);
1716 if (!clp) { 1778 if (!clp) {
@@ -1735,7 +1797,7 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data,
1735 1797
1736 down_write(&clp->cl_sem); 1798 down_write(&clp->cl_sem);
1737 if (IS_ERR(clp->cl_rpcclient)) { 1799 if (IS_ERR(clp->cl_rpcclient)) {
1738 xprt = xprt_create_proto(proto, &server->addr, &timeparms); 1800 xprt = xprt_create_proto(data->proto, &server->addr, &timeparms);
1739 if (IS_ERR(xprt)) { 1801 if (IS_ERR(xprt)) {
1740 up_write(&clp->cl_sem); 1802 up_write(&clp->cl_sem);
1741 err = PTR_ERR(xprt); 1803 err = PTR_ERR(xprt);
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index d91b69044a4d..59049e864ca7 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -143,7 +143,6 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
143 fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO; 143 fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO;
144 fattr->rdev = 0; 144 fattr->rdev = 0;
145 } 145 }
146 fattr->timestamp = jiffies;
147 return p; 146 return p;
148} 147}
149 148
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index edc95514046d..92c870d19ccd 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -78,7 +78,7 @@ nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
78 int status; 78 int status;
79 79
80 dprintk("%s: call fsinfo\n", __FUNCTION__); 80 dprintk("%s: call fsinfo\n", __FUNCTION__);
81 info->fattr->valid = 0; 81 nfs_fattr_init(info->fattr);
82 status = rpc_call(server->client_sys, NFS3PROC_FSINFO, fhandle, info, 0); 82 status = rpc_call(server->client_sys, NFS3PROC_FSINFO, fhandle, info, 0);
83 dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status); 83 dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status);
84 if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 84 if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
@@ -98,7 +98,7 @@ nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
98 int status; 98 int status;
99 99
100 dprintk("NFS call getattr\n"); 100 dprintk("NFS call getattr\n");
101 fattr->valid = 0; 101 nfs_fattr_init(fattr);
102 status = rpc_call(server->client, NFS3PROC_GETATTR, 102 status = rpc_call(server->client, NFS3PROC_GETATTR,
103 fhandle, fattr, 0); 103 fhandle, fattr, 0);
104 dprintk("NFS reply getattr: %d\n", status); 104 dprintk("NFS reply getattr: %d\n", status);
@@ -117,7 +117,7 @@ nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
117 int status; 117 int status;
118 118
119 dprintk("NFS call setattr\n"); 119 dprintk("NFS call setattr\n");
120 fattr->valid = 0; 120 nfs_fattr_init(fattr);
121 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_SETATTR, &arg, fattr, 0); 121 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_SETATTR, &arg, fattr, 0);
122 if (status == 0) 122 if (status == 0)
123 nfs_setattr_update_inode(inode, sattr); 123 nfs_setattr_update_inode(inode, sattr);
@@ -143,8 +143,8 @@ nfs3_proc_lookup(struct inode *dir, struct qstr *name,
143 int status; 143 int status;
144 144
145 dprintk("NFS call lookup %s\n", name->name); 145 dprintk("NFS call lookup %s\n", name->name);
146 dir_attr.valid = 0; 146 nfs_fattr_init(&dir_attr);
147 fattr->valid = 0; 147 nfs_fattr_init(fattr);
148 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_LOOKUP, &arg, &res, 0); 148 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_LOOKUP, &arg, &res, 0);
149 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) 149 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR))
150 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_GETATTR, 150 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_GETATTR,
@@ -174,7 +174,6 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
174 int status; 174 int status;
175 175
176 dprintk("NFS call access\n"); 176 dprintk("NFS call access\n");
177 fattr.valid = 0;
178 177
179 if (mode & MAY_READ) 178 if (mode & MAY_READ)
180 arg.access |= NFS3_ACCESS_READ; 179 arg.access |= NFS3_ACCESS_READ;
@@ -189,6 +188,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
189 if (mode & MAY_EXEC) 188 if (mode & MAY_EXEC)
190 arg.access |= NFS3_ACCESS_EXECUTE; 189 arg.access |= NFS3_ACCESS_EXECUTE;
191 } 190 }
191 nfs_fattr_init(&fattr);
192 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 192 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
193 nfs_refresh_inode(inode, &fattr); 193 nfs_refresh_inode(inode, &fattr);
194 if (status == 0) { 194 if (status == 0) {
@@ -217,7 +217,7 @@ static int nfs3_proc_readlink(struct inode *inode, struct page *page,
217 int status; 217 int status;
218 218
219 dprintk("NFS call readlink\n"); 219 dprintk("NFS call readlink\n");
220 fattr.valid = 0; 220 nfs_fattr_init(&fattr);
221 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_READLINK, 221 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_READLINK,
222 &args, &fattr, 0); 222 &args, &fattr, 0);
223 nfs_refresh_inode(inode, &fattr); 223 nfs_refresh_inode(inode, &fattr);
@@ -240,7 +240,7 @@ static int nfs3_proc_read(struct nfs_read_data *rdata)
240 240
241 dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 241 dprintk("NFS call read %d @ %Ld\n", rdata->args.count,
242 (long long) rdata->args.offset); 242 (long long) rdata->args.offset);
243 fattr->valid = 0; 243 nfs_fattr_init(fattr);
244 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 244 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
245 if (status >= 0) 245 if (status >= 0)
246 nfs_refresh_inode(inode, fattr); 246 nfs_refresh_inode(inode, fattr);
@@ -263,10 +263,10 @@ static int nfs3_proc_write(struct nfs_write_data *wdata)
263 263
264 dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 264 dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
265 (long long) wdata->args.offset); 265 (long long) wdata->args.offset);
266 fattr->valid = 0; 266 nfs_fattr_init(fattr);
267 status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags); 267 status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags);
268 if (status >= 0) 268 if (status >= 0)
269 nfs_refresh_inode(inode, fattr); 269 nfs_post_op_update_inode(inode, fattr);
270 dprintk("NFS reply write: %d\n", status); 270 dprintk("NFS reply write: %d\n", status);
271 return status < 0? status : wdata->res.count; 271 return status < 0? status : wdata->res.count;
272} 272}
@@ -285,10 +285,10 @@ static int nfs3_proc_commit(struct nfs_write_data *cdata)
285 285
286 dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, 286 dprintk("NFS call commit %d @ %Ld\n", cdata->args.count,
287 (long long) cdata->args.offset); 287 (long long) cdata->args.offset);
288 fattr->valid = 0; 288 nfs_fattr_init(fattr);
289 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 289 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
290 if (status >= 0) 290 if (status >= 0)
291 nfs_refresh_inode(inode, fattr); 291 nfs_post_op_update_inode(inode, fattr);
292 dprintk("NFS reply commit: %d\n", status); 292 dprintk("NFS reply commit: %d\n", status);
293 return status; 293 return status;
294} 294}
@@ -299,7 +299,7 @@ static int nfs3_proc_commit(struct nfs_write_data *cdata)
299 */ 299 */
300static int 300static int
301nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 301nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
302 int flags) 302 int flags, struct nameidata *nd)
303{ 303{
304 struct nfs_fh fhandle; 304 struct nfs_fh fhandle;
305 struct nfs_fattr fattr; 305 struct nfs_fattr fattr;
@@ -329,10 +329,10 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
329 sattr->ia_mode &= ~current->fs->umask; 329 sattr->ia_mode &= ~current->fs->umask;
330 330
331again: 331again:
332 dir_attr.valid = 0; 332 nfs_fattr_init(&dir_attr);
333 fattr.valid = 0; 333 nfs_fattr_init(&fattr);
334 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_CREATE, &arg, &res, 0); 334 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_CREATE, &arg, &res, 0);
335 nfs_refresh_inode(dir, &dir_attr); 335 nfs_post_op_update_inode(dir, &dir_attr);
336 336
337 /* If the server doesn't support the exclusive creation semantics, 337 /* If the server doesn't support the exclusive creation semantics,
338 * try again with simple 'guarded' mode. */ 338 * try again with simple 'guarded' mode. */
@@ -401,9 +401,9 @@ nfs3_proc_remove(struct inode *dir, struct qstr *name)
401 int status; 401 int status;
402 402
403 dprintk("NFS call remove %s\n", name->name); 403 dprintk("NFS call remove %s\n", name->name);
404 dir_attr.valid = 0; 404 nfs_fattr_init(&dir_attr);
405 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 405 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
406 nfs_refresh_inode(dir, &dir_attr); 406 nfs_post_op_update_inode(dir, &dir_attr);
407 dprintk("NFS reply remove: %d\n", status); 407 dprintk("NFS reply remove: %d\n", status);
408 return status; 408 return status;
409} 409}
@@ -422,7 +422,7 @@ nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr
422 ptr->arg.fh = NFS_FH(dir->d_inode); 422 ptr->arg.fh = NFS_FH(dir->d_inode);
423 ptr->arg.name = name->name; 423 ptr->arg.name = name->name;
424 ptr->arg.len = name->len; 424 ptr->arg.len = name->len;
425 ptr->res.valid = 0; 425 nfs_fattr_init(&ptr->res);
426 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 426 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
427 msg->rpc_argp = &ptr->arg; 427 msg->rpc_argp = &ptr->arg;
428 msg->rpc_resp = &ptr->res; 428 msg->rpc_resp = &ptr->res;
@@ -439,7 +439,7 @@ nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
439 return 1; 439 return 1;
440 if (msg->rpc_argp) { 440 if (msg->rpc_argp) {
441 dir_attr = (struct nfs_fattr*)msg->rpc_resp; 441 dir_attr = (struct nfs_fattr*)msg->rpc_resp;
442 nfs_refresh_inode(dir->d_inode, dir_attr); 442 nfs_post_op_update_inode(dir->d_inode, dir_attr);
443 kfree(msg->rpc_argp); 443 kfree(msg->rpc_argp);
444 } 444 }
445 return 0; 445 return 0;
@@ -465,11 +465,11 @@ nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
465 int status; 465 int status;
466 466
467 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 467 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
468 old_dir_attr.valid = 0; 468 nfs_fattr_init(&old_dir_attr);
469 new_dir_attr.valid = 0; 469 nfs_fattr_init(&new_dir_attr);
470 status = rpc_call(NFS_CLIENT(old_dir), NFS3PROC_RENAME, &arg, &res, 0); 470 status = rpc_call(NFS_CLIENT(old_dir), NFS3PROC_RENAME, &arg, &res, 0);
471 nfs_refresh_inode(old_dir, &old_dir_attr); 471 nfs_post_op_update_inode(old_dir, &old_dir_attr);
472 nfs_refresh_inode(new_dir, &new_dir_attr); 472 nfs_post_op_update_inode(new_dir, &new_dir_attr);
473 dprintk("NFS reply rename: %d\n", status); 473 dprintk("NFS reply rename: %d\n", status);
474 return status; 474 return status;
475} 475}
@@ -491,11 +491,11 @@ nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
491 int status; 491 int status;
492 492
493 dprintk("NFS call link %s\n", name->name); 493 dprintk("NFS call link %s\n", name->name);
494 dir_attr.valid = 0; 494 nfs_fattr_init(&dir_attr);
495 fattr.valid = 0; 495 nfs_fattr_init(&fattr);
496 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_LINK, &arg, &res, 0); 496 status = rpc_call(NFS_CLIENT(inode), NFS3PROC_LINK, &arg, &res, 0);
497 nfs_refresh_inode(dir, &dir_attr); 497 nfs_post_op_update_inode(dir, &dir_attr);
498 nfs_refresh_inode(inode, &fattr); 498 nfs_post_op_update_inode(inode, &fattr);
499 dprintk("NFS reply link: %d\n", status); 499 dprintk("NFS reply link: %d\n", status);
500 return status; 500 return status;
501} 501}
@@ -524,10 +524,10 @@ nfs3_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path,
524 if (path->len > NFS3_MAXPATHLEN) 524 if (path->len > NFS3_MAXPATHLEN)
525 return -ENAMETOOLONG; 525 return -ENAMETOOLONG;
526 dprintk("NFS call symlink %s -> %s\n", name->name, path->name); 526 dprintk("NFS call symlink %s -> %s\n", name->name, path->name);
527 dir_attr.valid = 0; 527 nfs_fattr_init(&dir_attr);
528 fattr->valid = 0; 528 nfs_fattr_init(fattr);
529 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_SYMLINK, &arg, &res, 0); 529 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_SYMLINK, &arg, &res, 0);
530 nfs_refresh_inode(dir, &dir_attr); 530 nfs_post_op_update_inode(dir, &dir_attr);
531 dprintk("NFS reply symlink: %d\n", status); 531 dprintk("NFS reply symlink: %d\n", status);
532 return status; 532 return status;
533} 533}
@@ -552,13 +552,13 @@ nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
552 int status; 552 int status;
553 553
554 dprintk("NFS call mkdir %s\n", dentry->d_name.name); 554 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
555 dir_attr.valid = 0;
556 fattr.valid = 0;
557 555
558 sattr->ia_mode &= ~current->fs->umask; 556 sattr->ia_mode &= ~current->fs->umask;
559 557
558 nfs_fattr_init(&dir_attr);
559 nfs_fattr_init(&fattr);
560 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKDIR, &arg, &res, 0); 560 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKDIR, &arg, &res, 0);
561 nfs_refresh_inode(dir, &dir_attr); 561 nfs_post_op_update_inode(dir, &dir_attr);
562 if (status != 0) 562 if (status != 0)
563 goto out; 563 goto out;
564 status = nfs_instantiate(dentry, &fhandle, &fattr); 564 status = nfs_instantiate(dentry, &fhandle, &fattr);
@@ -582,9 +582,9 @@ nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
582 int status; 582 int status;
583 583
584 dprintk("NFS call rmdir %s\n", name->name); 584 dprintk("NFS call rmdir %s\n", name->name);
585 dir_attr.valid = 0; 585 nfs_fattr_init(&dir_attr);
586 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_RMDIR, &arg, &dir_attr, 0); 586 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_RMDIR, &arg, &dir_attr, 0);
587 nfs_refresh_inode(dir, &dir_attr); 587 nfs_post_op_update_inode(dir, &dir_attr);
588 dprintk("NFS reply rmdir: %d\n", status); 588 dprintk("NFS reply rmdir: %d\n", status);
589 return status; 589 return status;
590} 590}
@@ -634,7 +634,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
634 dprintk("NFS call readdir%s %d\n", 634 dprintk("NFS call readdir%s %d\n",
635 plus? "plus" : "", (unsigned int) cookie); 635 plus? "plus" : "", (unsigned int) cookie);
636 636
637 dir_attr.valid = 0; 637 nfs_fattr_init(&dir_attr);
638 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 638 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
639 nfs_refresh_inode(dir, &dir_attr); 639 nfs_refresh_inode(dir, &dir_attr);
640 dprintk("NFS reply readdir: %d\n", status); 640 dprintk("NFS reply readdir: %d\n", status);
@@ -676,10 +676,10 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
676 676
677 sattr->ia_mode &= ~current->fs->umask; 677 sattr->ia_mode &= ~current->fs->umask;
678 678
679 dir_attr.valid = 0; 679 nfs_fattr_init(&dir_attr);
680 fattr.valid = 0; 680 nfs_fattr_init(&fattr);
681 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKNOD, &arg, &res, 0); 681 status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKNOD, &arg, &res, 0);
682 nfs_refresh_inode(dir, &dir_attr); 682 nfs_post_op_update_inode(dir, &dir_attr);
683 if (status != 0) 683 if (status != 0)
684 goto out; 684 goto out;
685 status = nfs_instantiate(dentry, &fh, &fattr); 685 status = nfs_instantiate(dentry, &fh, &fattr);
@@ -698,7 +698,7 @@ nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
698 int status; 698 int status;
699 699
700 dprintk("NFS call fsstat\n"); 700 dprintk("NFS call fsstat\n");
701 stat->fattr->valid = 0; 701 nfs_fattr_init(stat->fattr);
702 status = rpc_call(server->client, NFS3PROC_FSSTAT, fhandle, stat, 0); 702 status = rpc_call(server->client, NFS3PROC_FSSTAT, fhandle, stat, 0);
703 dprintk("NFS reply statfs: %d\n", status); 703 dprintk("NFS reply statfs: %d\n", status);
704 return status; 704 return status;
@@ -711,7 +711,7 @@ nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
711 int status; 711 int status;
712 712
713 dprintk("NFS call fsinfo\n"); 713 dprintk("NFS call fsinfo\n");
714 info->fattr->valid = 0; 714 nfs_fattr_init(info->fattr);
715 status = rpc_call(server->client_sys, NFS3PROC_FSINFO, fhandle, info, 0); 715 status = rpc_call(server->client_sys, NFS3PROC_FSINFO, fhandle, info, 0);
716 dprintk("NFS reply fsinfo: %d\n", status); 716 dprintk("NFS reply fsinfo: %d\n", status);
717 return status; 717 return status;
@@ -724,7 +724,7 @@ nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
724 int status; 724 int status;
725 725
726 dprintk("NFS call pathconf\n"); 726 dprintk("NFS call pathconf\n");
727 info->fattr->valid = 0; 727 nfs_fattr_init(info->fattr);
728 status = rpc_call(server->client, NFS3PROC_PATHCONF, fhandle, info, 0); 728 status = rpc_call(server->client, NFS3PROC_PATHCONF, fhandle, info, 0);
729 dprintk("NFS reply pathconf: %d\n", status); 729 dprintk("NFS reply pathconf: %d\n", status);
730 return status; 730 return status;
@@ -735,7 +735,7 @@ extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);
735static void 735static void
736nfs3_read_done(struct rpc_task *task) 736nfs3_read_done(struct rpc_task *task)
737{ 737{
738 struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata; 738 struct nfs_read_data *data = (struct nfs_read_data *) task->tk_calldata;
739 739
740 if (nfs3_async_handle_jukebox(task)) 740 if (nfs3_async_handle_jukebox(task))
741 return; 741 return;
@@ -775,7 +775,7 @@ nfs3_write_done(struct rpc_task *task)
775 return; 775 return;
776 data = (struct nfs_write_data *)task->tk_calldata; 776 data = (struct nfs_write_data *)task->tk_calldata;
777 if (task->tk_status >= 0) 777 if (task->tk_status >= 0)
778 nfs_refresh_inode(data->inode, data->res.fattr); 778 nfs_post_op_update_inode(data->inode, data->res.fattr);
779 nfs_writeback_done(task); 779 nfs_writeback_done(task);
780} 780}
781 781
@@ -819,7 +819,7 @@ nfs3_commit_done(struct rpc_task *task)
819 return; 819 return;
820 data = (struct nfs_write_data *)task->tk_calldata; 820 data = (struct nfs_write_data *)task->tk_calldata;
821 if (task->tk_status >= 0) 821 if (task->tk_status >= 0)
822 nfs_refresh_inode(data->inode, data->res.fattr); 822 nfs_post_op_update_inode(data->inode, data->res.fattr);
823 nfs_commit_done(task); 823 nfs_commit_done(task);
824} 824}
825 825
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index db4a904810a4..0498bd36602c 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -174,7 +174,6 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
174 174
175 /* Update the mode bits */ 175 /* Update the mode bits */
176 fattr->valid |= (NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3); 176 fattr->valid |= (NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3);
177 fattr->timestamp = jiffies;
178 return p; 177 return p;
179} 178}
180 179
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index ec1a22d7b876..78a53f5a9f18 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -93,25 +93,50 @@ struct nfs4_client {
93}; 93};
94 94
95/* 95/*
96 * struct rpc_sequence ensures that RPC calls are sent in the exact
97 * order that they appear on the list.
98 */
99struct rpc_sequence {
100 struct rpc_wait_queue wait; /* RPC call delay queue */
101 spinlock_t lock; /* Protects the list */
102 struct list_head list; /* Defines sequence of RPC calls */
103};
104
105#define NFS_SEQID_CONFIRMED 1
106struct nfs_seqid_counter {
107 struct rpc_sequence *sequence;
108 int flags;
109 u32 counter;
110};
111
112struct nfs_seqid {
113 struct nfs_seqid_counter *sequence;
114 struct list_head list;
115};
116
117static inline void nfs_confirm_seqid(struct nfs_seqid_counter *seqid, int status)
118{
119 if (seqid_mutating_err(-status))
120 seqid->flags |= NFS_SEQID_CONFIRMED;
121}
122
123/*
96 * NFS4 state_owners and lock_owners are simply labels for ordered 124 * NFS4 state_owners and lock_owners are simply labels for ordered
97 * sequences of RPC calls. Their sole purpose is to provide once-only 125 * sequences of RPC calls. Their sole purpose is to provide once-only
98 * semantics by allowing the server to identify replayed requests. 126 * semantics by allowing the server to identify replayed requests.
99 *
100 * The ->so_sema is held during all state_owner seqid-mutating operations:
101 * OPEN, OPEN_DOWNGRADE, and CLOSE. Its purpose is to properly serialize
102 * so_seqid.
103 */ 127 */
104struct nfs4_state_owner { 128struct nfs4_state_owner {
129 spinlock_t so_lock;
105 struct list_head so_list; /* per-clientid list of state_owners */ 130 struct list_head so_list; /* per-clientid list of state_owners */
106 struct nfs4_client *so_client; 131 struct nfs4_client *so_client;
107 u32 so_id; /* 32-bit identifier, unique */ 132 u32 so_id; /* 32-bit identifier, unique */
108 struct semaphore so_sema;
109 u32 so_seqid; /* protected by so_sema */
110 atomic_t so_count; 133 atomic_t so_count;
111 134
112 struct rpc_cred *so_cred; /* Associated cred */ 135 struct rpc_cred *so_cred; /* Associated cred */
113 struct list_head so_states; 136 struct list_head so_states;
114 struct list_head so_delegations; 137 struct list_head so_delegations;
138 struct nfs_seqid_counter so_seqid;
139 struct rpc_sequence so_sequence;
115}; 140};
116 141
117/* 142/*
@@ -132,7 +157,7 @@ struct nfs4_lock_state {
132 fl_owner_t ls_owner; /* POSIX lock owner */ 157 fl_owner_t ls_owner; /* POSIX lock owner */
133#define NFS_LOCK_INITIALIZED 1 158#define NFS_LOCK_INITIALIZED 1
134 int ls_flags; 159 int ls_flags;
135 u32 ls_seqid; 160 struct nfs_seqid_counter ls_seqid;
136 u32 ls_id; 161 u32 ls_id;
137 nfs4_stateid ls_stateid; 162 nfs4_stateid ls_stateid;
138 atomic_t ls_count; 163 atomic_t ls_count;
@@ -153,7 +178,6 @@ struct nfs4_state {
153 struct inode *inode; /* Pointer to the inode */ 178 struct inode *inode; /* Pointer to the inode */
154 179
155 unsigned long flags; /* Do we hold any locks? */ 180 unsigned long flags; /* Do we hold any locks? */
156 struct semaphore lock_sema; /* Serializes file locking operations */
157 spinlock_t state_lock; /* Protects the lock_states list */ 181 spinlock_t state_lock; /* Protects the lock_states list */
158 182
159 nfs4_stateid stateid; 183 nfs4_stateid stateid;
@@ -191,8 +215,8 @@ extern int nfs4_proc_setclientid_confirm(struct nfs4_client *);
191extern int nfs4_proc_async_renew(struct nfs4_client *); 215extern int nfs4_proc_async_renew(struct nfs4_client *);
192extern int nfs4_proc_renew(struct nfs4_client *); 216extern int nfs4_proc_renew(struct nfs4_client *);
193extern int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode); 217extern int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode);
194extern struct inode *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *); 218extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
195extern int nfs4_open_revalidate(struct inode *, struct dentry *, int); 219extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
196 220
197extern struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops; 221extern struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops;
198extern struct nfs4_state_recovery_ops nfs4_network_partition_recovery_ops; 222extern struct nfs4_state_recovery_ops nfs4_network_partition_recovery_ops;
@@ -224,12 +248,17 @@ extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state
224extern void nfs4_put_open_state(struct nfs4_state *); 248extern void nfs4_put_open_state(struct nfs4_state *);
225extern void nfs4_close_state(struct nfs4_state *, mode_t); 249extern void nfs4_close_state(struct nfs4_state *, mode_t);
226extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode); 250extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode);
227extern void nfs4_increment_seqid(int status, struct nfs4_state_owner *sp);
228extern void nfs4_schedule_state_recovery(struct nfs4_client *); 251extern void nfs4_schedule_state_recovery(struct nfs4_client *);
252extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp);
229extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl); 253extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
230extern void nfs4_increment_lock_seqid(int status, struct nfs4_lock_state *ls);
231extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t); 254extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t);
232 255
256extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter);
257extern int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task);
258extern void nfs_increment_open_seqid(int status, struct nfs_seqid *seqid);
259extern void nfs_increment_lock_seqid(int status, struct nfs_seqid *seqid);
260extern void nfs_free_seqid(struct nfs_seqid *seqid);
261
233extern const nfs4_stateid zero_stateid; 262extern const nfs4_stateid zero_stateid;
234 263
235/* nfs4xdr.c */ 264/* nfs4xdr.c */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9701ca8c9428..933e13b383f8 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -47,6 +47,7 @@
47#include <linux/nfs_page.h> 47#include <linux/nfs_page.h>
48#include <linux/smp_lock.h> 48#include <linux/smp_lock.h>
49#include <linux/namei.h> 49#include <linux/namei.h>
50#include <linux/mount.h>
50 51
51#include "nfs4_fs.h" 52#include "nfs4_fs.h"
52#include "delegation.h" 53#include "delegation.h"
@@ -56,10 +57,11 @@
56#define NFS4_POLL_RETRY_MIN (1*HZ) 57#define NFS4_POLL_RETRY_MIN (1*HZ)
57#define NFS4_POLL_RETRY_MAX (15*HZ) 58#define NFS4_POLL_RETRY_MAX (15*HZ)
58 59
60static int _nfs4_proc_open_confirm(struct rpc_clnt *clnt, const struct nfs_fh *fh, struct nfs4_state_owner *sp, nfs4_stateid *stateid, struct nfs_seqid *seqid);
59static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); 61static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
60static int nfs4_async_handle_error(struct rpc_task *, struct nfs_server *); 62static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *);
61static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry); 63static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry);
62static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_exception *exception); 64static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception);
63extern u32 *nfs4_decode_dirent(u32 *p, struct nfs_entry *entry, int plus); 65extern u32 *nfs4_decode_dirent(u32 *p, struct nfs_entry *entry, int plus);
64extern struct rpc_procinfo nfs4_procedures[]; 66extern struct rpc_procinfo nfs4_procedures[];
65 67
@@ -185,8 +187,26 @@ static void update_changeattr(struct inode *inode, struct nfs4_change_info *cinf
185{ 187{
186 struct nfs_inode *nfsi = NFS_I(inode); 188 struct nfs_inode *nfsi = NFS_I(inode);
187 189
190 spin_lock(&inode->i_lock);
191 nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
188 if (cinfo->before == nfsi->change_attr && cinfo->atomic) 192 if (cinfo->before == nfsi->change_attr && cinfo->atomic)
189 nfsi->change_attr = cinfo->after; 193 nfsi->change_attr = cinfo->after;
194 spin_unlock(&inode->i_lock);
195}
196
197/* Helper for asynchronous RPC calls */
198static int nfs4_call_async(struct rpc_clnt *clnt, rpc_action tk_begin,
199 rpc_action tk_exit, void *calldata)
200{
201 struct rpc_task *task;
202
203 if (!(task = rpc_new_task(clnt, tk_exit, RPC_TASK_ASYNC)))
204 return -ENOMEM;
205
206 task->tk_calldata = calldata;
207 task->tk_action = tk_begin;
208 rpc_execute(task);
209 return 0;
190} 210}
191 211
192static void update_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, int open_flags) 212static void update_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, int open_flags)
@@ -195,6 +215,7 @@ static void update_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid,
195 215
196 open_flags &= (FMODE_READ|FMODE_WRITE); 216 open_flags &= (FMODE_READ|FMODE_WRITE);
197 /* Protect against nfs4_find_state() */ 217 /* Protect against nfs4_find_state() */
218 spin_lock(&state->owner->so_lock);
198 spin_lock(&inode->i_lock); 219 spin_lock(&inode->i_lock);
199 state->state |= open_flags; 220 state->state |= open_flags;
200 /* NB! List reordering - see the reclaim code for why. */ 221 /* NB! List reordering - see the reclaim code for why. */
@@ -204,12 +225,12 @@ static void update_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid,
204 state->nreaders++; 225 state->nreaders++;
205 memcpy(&state->stateid, stateid, sizeof(state->stateid)); 226 memcpy(&state->stateid, stateid, sizeof(state->stateid));
206 spin_unlock(&inode->i_lock); 227 spin_unlock(&inode->i_lock);
228 spin_unlock(&state->owner->so_lock);
207} 229}
208 230
209/* 231/*
210 * OPEN_RECLAIM: 232 * OPEN_RECLAIM:
211 * reclaim state on the server after a reboot. 233 * reclaim state on the server after a reboot.
212 * Assumes caller is holding the sp->so_sem
213 */ 234 */
214static int _nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *state) 235static int _nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *state)
215{ 236{
@@ -218,7 +239,6 @@ static int _nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *st
218 struct nfs_delegation *delegation = NFS_I(inode)->delegation; 239 struct nfs_delegation *delegation = NFS_I(inode)->delegation;
219 struct nfs_openargs o_arg = { 240 struct nfs_openargs o_arg = {
220 .fh = NFS_FH(inode), 241 .fh = NFS_FH(inode),
221 .seqid = sp->so_seqid,
222 .id = sp->so_id, 242 .id = sp->so_id,
223 .open_flags = state->state, 243 .open_flags = state->state,
224 .clientid = server->nfs4_state->cl_clientid, 244 .clientid = server->nfs4_state->cl_clientid,
@@ -245,8 +265,13 @@ static int _nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *st
245 } 265 }
246 o_arg.u.delegation_type = delegation->type; 266 o_arg.u.delegation_type = delegation->type;
247 } 267 }
268 o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
269 if (o_arg.seqid == NULL)
270 return -ENOMEM;
248 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 271 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR);
249 nfs4_increment_seqid(status, sp); 272 /* Confirm the sequence as being established */
273 nfs_confirm_seqid(&sp->so_seqid, status);
274 nfs_increment_open_seqid(status, o_arg.seqid);
250 if (status == 0) { 275 if (status == 0) {
251 memcpy(&state->stateid, &o_res.stateid, sizeof(state->stateid)); 276 memcpy(&state->stateid, &o_res.stateid, sizeof(state->stateid));
252 if (o_res.delegation_type != 0) { 277 if (o_res.delegation_type != 0) {
@@ -256,6 +281,7 @@ static int _nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *st
256 nfs_async_inode_return_delegation(inode, &o_res.stateid); 281 nfs_async_inode_return_delegation(inode, &o_res.stateid);
257 } 282 }
258 } 283 }
284 nfs_free_seqid(o_arg.seqid);
259 clear_bit(NFS_DELEGATED_STATE, &state->flags); 285 clear_bit(NFS_DELEGATED_STATE, &state->flags);
260 /* Ensure we update the inode attributes */ 286 /* Ensure we update the inode attributes */
261 NFS_CACHEINV(inode); 287 NFS_CACHEINV(inode);
@@ -302,23 +328,35 @@ static int _nfs4_open_delegation_recall(struct dentry *dentry, struct nfs4_state
302 }; 328 };
303 int status = 0; 329 int status = 0;
304 330
305 down(&sp->so_sema);
306 if (!test_bit(NFS_DELEGATED_STATE, &state->flags)) 331 if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
307 goto out; 332 goto out;
308 if (state->state == 0) 333 if (state->state == 0)
309 goto out; 334 goto out;
310 arg.seqid = sp->so_seqid; 335 arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
336 status = -ENOMEM;
337 if (arg.seqid == NULL)
338 goto out;
311 arg.open_flags = state->state; 339 arg.open_flags = state->state;
312 memcpy(arg.u.delegation.data, state->stateid.data, sizeof(arg.u.delegation.data)); 340 memcpy(arg.u.delegation.data, state->stateid.data, sizeof(arg.u.delegation.data));
313 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 341 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR);
314 nfs4_increment_seqid(status, sp); 342 nfs_increment_open_seqid(status, arg.seqid);
343 if (status != 0)
344 goto out_free;
345 if(res.rflags & NFS4_OPEN_RESULT_CONFIRM) {
346 status = _nfs4_proc_open_confirm(server->client, NFS_FH(inode),
347 sp, &res.stateid, arg.seqid);
348 if (status != 0)
349 goto out_free;
350 }
351 nfs_confirm_seqid(&sp->so_seqid, 0);
315 if (status >= 0) { 352 if (status >= 0) {
316 memcpy(state->stateid.data, res.stateid.data, 353 memcpy(state->stateid.data, res.stateid.data,
317 sizeof(state->stateid.data)); 354 sizeof(state->stateid.data));
318 clear_bit(NFS_DELEGATED_STATE, &state->flags); 355 clear_bit(NFS_DELEGATED_STATE, &state->flags);
319 } 356 }
357out_free:
358 nfs_free_seqid(arg.seqid);
320out: 359out:
321 up(&sp->so_sema);
322 dput(parent); 360 dput(parent);
323 return status; 361 return status;
324} 362}
@@ -345,11 +383,11 @@ int nfs4_open_delegation_recall(struct dentry *dentry, struct nfs4_state *state)
345 return err; 383 return err;
346} 384}
347 385
348static inline int _nfs4_proc_open_confirm(struct rpc_clnt *clnt, const struct nfs_fh *fh, struct nfs4_state_owner *sp, nfs4_stateid *stateid) 386static int _nfs4_proc_open_confirm(struct rpc_clnt *clnt, const struct nfs_fh *fh, struct nfs4_state_owner *sp, nfs4_stateid *stateid, struct nfs_seqid *seqid)
349{ 387{
350 struct nfs_open_confirmargs arg = { 388 struct nfs_open_confirmargs arg = {
351 .fh = fh, 389 .fh = fh,
352 .seqid = sp->so_seqid, 390 .seqid = seqid,
353 .stateid = *stateid, 391 .stateid = *stateid,
354 }; 392 };
355 struct nfs_open_confirmres res; 393 struct nfs_open_confirmres res;
@@ -362,7 +400,9 @@ static inline int _nfs4_proc_open_confirm(struct rpc_clnt *clnt, const struct nf
362 int status; 400 int status;
363 401
364 status = rpc_call_sync(clnt, &msg, RPC_TASK_NOINTR); 402 status = rpc_call_sync(clnt, &msg, RPC_TASK_NOINTR);
365 nfs4_increment_seqid(status, sp); 403 /* Confirm the sequence as being established */
404 nfs_confirm_seqid(&sp->so_seqid, status);
405 nfs_increment_open_seqid(status, seqid);
366 if (status >= 0) 406 if (status >= 0)
367 memcpy(stateid, &res.stateid, sizeof(*stateid)); 407 memcpy(stateid, &res.stateid, sizeof(*stateid));
368 return status; 408 return status;
@@ -380,21 +420,41 @@ static int _nfs4_proc_open(struct inode *dir, struct nfs4_state_owner *sp, stru
380 int status; 420 int status;
381 421
382 /* Update sequence id. The caller must serialize! */ 422 /* Update sequence id. The caller must serialize! */
383 o_arg->seqid = sp->so_seqid;
384 o_arg->id = sp->so_id; 423 o_arg->id = sp->so_id;
385 o_arg->clientid = sp->so_client->cl_clientid; 424 o_arg->clientid = sp->so_client->cl_clientid;
386 425
387 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 426 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR);
388 nfs4_increment_seqid(status, sp); 427 if (status == 0) {
428 /* OPEN on anything except a regular file is disallowed in NFSv4 */
429 switch (o_res->f_attr->mode & S_IFMT) {
430 case S_IFREG:
431 break;
432 case S_IFLNK:
433 status = -ELOOP;
434 break;
435 case S_IFDIR:
436 status = -EISDIR;
437 break;
438 default:
439 status = -ENOTDIR;
440 }
441 }
442
443 nfs_increment_open_seqid(status, o_arg->seqid);
389 if (status != 0) 444 if (status != 0)
390 goto out; 445 goto out;
391 update_changeattr(dir, &o_res->cinfo); 446 if (o_arg->open_flags & O_CREAT) {
447 update_changeattr(dir, &o_res->cinfo);
448 nfs_post_op_update_inode(dir, o_res->dir_attr);
449 } else
450 nfs_refresh_inode(dir, o_res->dir_attr);
392 if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { 451 if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) {
393 status = _nfs4_proc_open_confirm(server->client, &o_res->fh, 452 status = _nfs4_proc_open_confirm(server->client, &o_res->fh,
394 sp, &o_res->stateid); 453 sp, &o_res->stateid, o_arg->seqid);
395 if (status != 0) 454 if (status != 0)
396 goto out; 455 goto out;
397 } 456 }
457 nfs_confirm_seqid(&sp->so_seqid, 0);
398 if (!(o_res->f_attr->valid & NFS_ATTR_FATTR)) 458 if (!(o_res->f_attr->valid & NFS_ATTR_FATTR))
399 status = server->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr); 459 status = server->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr);
400out: 460out:
@@ -441,9 +501,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
441 struct inode *inode = state->inode; 501 struct inode *inode = state->inode;
442 struct nfs_server *server = NFS_SERVER(dir); 502 struct nfs_server *server = NFS_SERVER(dir);
443 struct nfs_delegation *delegation = NFS_I(inode)->delegation; 503 struct nfs_delegation *delegation = NFS_I(inode)->delegation;
444 struct nfs_fattr f_attr = { 504 struct nfs_fattr f_attr, dir_attr;
445 .valid = 0,
446 };
447 struct nfs_openargs o_arg = { 505 struct nfs_openargs o_arg = {
448 .fh = NFS_FH(dir), 506 .fh = NFS_FH(dir),
449 .open_flags = state->state, 507 .open_flags = state->state,
@@ -453,6 +511,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
453 }; 511 };
454 struct nfs_openres o_res = { 512 struct nfs_openres o_res = {
455 .f_attr = &f_attr, 513 .f_attr = &f_attr,
514 .dir_attr = &dir_attr,
456 .server = server, 515 .server = server,
457 }; 516 };
458 int status = 0; 517 int status = 0;
@@ -465,6 +524,12 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
465 set_bit(NFS_DELEGATED_STATE, &state->flags); 524 set_bit(NFS_DELEGATED_STATE, &state->flags);
466 goto out; 525 goto out;
467 } 526 }
527 o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
528 status = -ENOMEM;
529 if (o_arg.seqid == NULL)
530 goto out;
531 nfs_fattr_init(&f_attr);
532 nfs_fattr_init(&dir_attr);
468 status = _nfs4_proc_open(dir, sp, &o_arg, &o_res); 533 status = _nfs4_proc_open(dir, sp, &o_arg, &o_res);
469 if (status != 0) 534 if (status != 0)
470 goto out_nodeleg; 535 goto out_nodeleg;
@@ -490,6 +555,7 @@ static int _nfs4_open_expired(struct nfs4_state_owner *sp, struct nfs4_state *st
490 nfs_inode_reclaim_delegation(inode, sp->so_cred, &o_res); 555 nfs_inode_reclaim_delegation(inode, sp->so_cred, &o_res);
491 } 556 }
492out_nodeleg: 557out_nodeleg:
558 nfs_free_seqid(o_arg.seqid);
493 clear_bit(NFS_DELEGATED_STATE, &state->flags); 559 clear_bit(NFS_DELEGATED_STATE, &state->flags);
494out: 560out:
495 dput(parent); 561 dput(parent);
@@ -564,7 +630,6 @@ static int _nfs4_open_delegated(struct inode *inode, int flags, struct rpc_cred
564 dprintk("%s: nfs4_get_state_owner failed!\n", __FUNCTION__); 630 dprintk("%s: nfs4_get_state_owner failed!\n", __FUNCTION__);
565 goto out_err; 631 goto out_err;
566 } 632 }
567 down(&sp->so_sema);
568 state = nfs4_get_open_state(inode, sp); 633 state = nfs4_get_open_state(inode, sp);
569 if (state == NULL) 634 if (state == NULL)
570 goto out_err; 635 goto out_err;
@@ -589,7 +654,6 @@ static int _nfs4_open_delegated(struct inode *inode, int flags, struct rpc_cred
589 set_bit(NFS_DELEGATED_STATE, &state->flags); 654 set_bit(NFS_DELEGATED_STATE, &state->flags);
590 update_open_stateid(state, &delegation->stateid, open_flags); 655 update_open_stateid(state, &delegation->stateid, open_flags);
591out_ok: 656out_ok:
592 up(&sp->so_sema);
593 nfs4_put_state_owner(sp); 657 nfs4_put_state_owner(sp);
594 up_read(&nfsi->rwsem); 658 up_read(&nfsi->rwsem);
595 up_read(&clp->cl_sem); 659 up_read(&clp->cl_sem);
@@ -600,11 +664,12 @@ out_err:
600 if (sp != NULL) { 664 if (sp != NULL) {
601 if (state != NULL) 665 if (state != NULL)
602 nfs4_put_open_state(state); 666 nfs4_put_open_state(state);
603 up(&sp->so_sema);
604 nfs4_put_state_owner(sp); 667 nfs4_put_state_owner(sp);
605 } 668 }
606 up_read(&nfsi->rwsem); 669 up_read(&nfsi->rwsem);
607 up_read(&clp->cl_sem); 670 up_read(&clp->cl_sem);
671 if (err != -EACCES)
672 nfs_inode_return_delegation(inode);
608 return err; 673 return err;
609} 674}
610 675
@@ -635,9 +700,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
635 struct nfs4_client *clp = server->nfs4_state; 700 struct nfs4_client *clp = server->nfs4_state;
636 struct inode *inode = NULL; 701 struct inode *inode = NULL;
637 int status; 702 int status;
638 struct nfs_fattr f_attr = { 703 struct nfs_fattr f_attr, dir_attr;
639 .valid = 0,
640 };
641 struct nfs_openargs o_arg = { 704 struct nfs_openargs o_arg = {
642 .fh = NFS_FH(dir), 705 .fh = NFS_FH(dir),
643 .open_flags = flags, 706 .open_flags = flags,
@@ -648,6 +711,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
648 }; 711 };
649 struct nfs_openres o_res = { 712 struct nfs_openres o_res = {
650 .f_attr = &f_attr, 713 .f_attr = &f_attr,
714 .dir_attr = &dir_attr,
651 .server = server, 715 .server = server,
652 }; 716 };
653 717
@@ -665,8 +729,12 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
665 } else 729 } else
666 o_arg.u.attrs = sattr; 730 o_arg.u.attrs = sattr;
667 /* Serialization for the sequence id */ 731 /* Serialization for the sequence id */
668 down(&sp->so_sema);
669 732
733 o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
734 if (o_arg.seqid == NULL)
735 return -ENOMEM;
736 nfs_fattr_init(&f_attr);
737 nfs_fattr_init(&dir_attr);
670 status = _nfs4_proc_open(dir, sp, &o_arg, &o_res); 738 status = _nfs4_proc_open(dir, sp, &o_arg, &o_res);
671 if (status != 0) 739 if (status != 0)
672 goto out_err; 740 goto out_err;
@@ -681,7 +749,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
681 update_open_stateid(state, &o_res.stateid, flags); 749 update_open_stateid(state, &o_res.stateid, flags);
682 if (o_res.delegation_type != 0) 750 if (o_res.delegation_type != 0)
683 nfs_inode_set_delegation(inode, cred, &o_res); 751 nfs_inode_set_delegation(inode, cred, &o_res);
684 up(&sp->so_sema); 752 nfs_free_seqid(o_arg.seqid);
685 nfs4_put_state_owner(sp); 753 nfs4_put_state_owner(sp);
686 up_read(&clp->cl_sem); 754 up_read(&clp->cl_sem);
687 *res = state; 755 *res = state;
@@ -690,7 +758,7 @@ out_err:
690 if (sp != NULL) { 758 if (sp != NULL) {
691 if (state != NULL) 759 if (state != NULL)
692 nfs4_put_open_state(state); 760 nfs4_put_open_state(state);
693 up(&sp->so_sema); 761 nfs_free_seqid(o_arg.seqid);
694 nfs4_put_state_owner(sp); 762 nfs4_put_state_owner(sp);
695 } 763 }
696 /* Note: clp->cl_sem must be released before nfs4_put_open_state()! */ 764 /* Note: clp->cl_sem must be released before nfs4_put_open_state()! */
@@ -718,7 +786,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry,
718 * It is actually a sign of a bug on the client or on the server. 786 * It is actually a sign of a bug on the client or on the server.
719 * 787 *
720 * If we receive a BAD_SEQID error in the particular case of 788 * If we receive a BAD_SEQID error in the particular case of
721 * doing an OPEN, we assume that nfs4_increment_seqid() will 789 * doing an OPEN, we assume that nfs_increment_open_seqid() will
722 * have unhashed the old state_owner for us, and that we can 790 * have unhashed the old state_owner for us, and that we can
723 * therefore safely retry using a new one. We should still warn 791 * therefore safely retry using a new one. We should still warn
724 * the user though... 792 * the user though...
@@ -728,6 +796,16 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry,
728 exception.retry = 1; 796 exception.retry = 1;
729 continue; 797 continue;
730 } 798 }
799 /*
800 * BAD_STATEID on OPEN means that the server cancelled our
801 * state before it received the OPEN_CONFIRM.
802 * Recover by retrying the request as per the discussion
803 * on Page 181 of RFC3530.
804 */
805 if (status == -NFS4ERR_BAD_STATEID) {
806 exception.retry = 1;
807 continue;
808 }
731 res = ERR_PTR(nfs4_handle_exception(NFS_SERVER(dir), 809 res = ERR_PTR(nfs4_handle_exception(NFS_SERVER(dir),
732 status, &exception)); 810 status, &exception));
733 } while (exception.retry); 811 } while (exception.retry);
@@ -755,7 +833,7 @@ static int _nfs4_do_setattr(struct nfs_server *server, struct nfs_fattr *fattr,
755 }; 833 };
756 int status; 834 int status;
757 835
758 fattr->valid = 0; 836 nfs_fattr_init(fattr);
759 837
760 if (state != NULL) { 838 if (state != NULL) {
761 msg.rpc_cred = state->owner->so_cred; 839 msg.rpc_cred = state->owner->so_cred;
@@ -787,19 +865,30 @@ struct nfs4_closedata {
787 struct nfs4_state *state; 865 struct nfs4_state *state;
788 struct nfs_closeargs arg; 866 struct nfs_closeargs arg;
789 struct nfs_closeres res; 867 struct nfs_closeres res;
868 struct nfs_fattr fattr;
790}; 869};
791 870
871static void nfs4_free_closedata(struct nfs4_closedata *calldata)
872{
873 struct nfs4_state *state = calldata->state;
874 struct nfs4_state_owner *sp = state->owner;
875
876 nfs4_put_open_state(calldata->state);
877 nfs_free_seqid(calldata->arg.seqid);
878 nfs4_put_state_owner(sp);
879 kfree(calldata);
880}
881
792static void nfs4_close_done(struct rpc_task *task) 882static void nfs4_close_done(struct rpc_task *task)
793{ 883{
794 struct nfs4_closedata *calldata = (struct nfs4_closedata *)task->tk_calldata; 884 struct nfs4_closedata *calldata = (struct nfs4_closedata *)task->tk_calldata;
795 struct nfs4_state *state = calldata->state; 885 struct nfs4_state *state = calldata->state;
796 struct nfs4_state_owner *sp = state->owner;
797 struct nfs_server *server = NFS_SERVER(calldata->inode); 886 struct nfs_server *server = NFS_SERVER(calldata->inode);
798 887
799 /* hmm. we are done with the inode, and in the process of freeing 888 /* hmm. we are done with the inode, and in the process of freeing
800 * the state_owner. we keep this around to process errors 889 * the state_owner. we keep this around to process errors
801 */ 890 */
802 nfs4_increment_seqid(task->tk_status, sp); 891 nfs_increment_open_seqid(task->tk_status, calldata->arg.seqid);
803 switch (task->tk_status) { 892 switch (task->tk_status) {
804 case 0: 893 case 0:
805 memcpy(&state->stateid, &calldata->res.stateid, 894 memcpy(&state->stateid, &calldata->res.stateid,
@@ -816,25 +905,49 @@ static void nfs4_close_done(struct rpc_task *task)
816 return; 905 return;
817 } 906 }
818 } 907 }
908 nfs_refresh_inode(calldata->inode, calldata->res.fattr);
819 state->state = calldata->arg.open_flags; 909 state->state = calldata->arg.open_flags;
820 nfs4_put_open_state(state); 910 nfs4_free_closedata(calldata);
821 up(&sp->so_sema);
822 nfs4_put_state_owner(sp);
823 up_read(&server->nfs4_state->cl_sem);
824 kfree(calldata);
825} 911}
826 912
827static inline int nfs4_close_call(struct rpc_clnt *clnt, struct nfs4_closedata *calldata) 913static void nfs4_close_begin(struct rpc_task *task)
828{ 914{
915 struct nfs4_closedata *calldata = (struct nfs4_closedata *)task->tk_calldata;
916 struct nfs4_state *state = calldata->state;
829 struct rpc_message msg = { 917 struct rpc_message msg = {
830 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE], 918 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE],
831 .rpc_argp = &calldata->arg, 919 .rpc_argp = &calldata->arg,
832 .rpc_resp = &calldata->res, 920 .rpc_resp = &calldata->res,
833 .rpc_cred = calldata->state->owner->so_cred, 921 .rpc_cred = state->owner->so_cred,
834 }; 922 };
835 if (calldata->arg.open_flags != 0) 923 int mode = 0;
924 int status;
925
926 status = nfs_wait_on_sequence(calldata->arg.seqid, task);
927 if (status != 0)
928 return;
929 /* Don't reorder reads */
930 smp_rmb();
931 /* Recalculate the new open mode in case someone reopened the file
932 * while we were waiting in line to be scheduled.
933 */
934 if (state->nreaders != 0)
935 mode |= FMODE_READ;
936 if (state->nwriters != 0)
937 mode |= FMODE_WRITE;
938 if (test_bit(NFS_DELEGATED_STATE, &state->flags))
939 state->state = mode;
940 if (mode == state->state) {
941 nfs4_free_closedata(calldata);
942 task->tk_exit = NULL;
943 rpc_exit(task, 0);
944 return;
945 }
946 nfs_fattr_init(calldata->res.fattr);
947 if (mode != 0)
836 msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; 948 msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE];
837 return rpc_call_async(clnt, &msg, 0, nfs4_close_done, calldata); 949 calldata->arg.open_flags = mode;
950 rpc_call_setup(task, &msg, 0);
838} 951}
839 952
840/* 953/*
@@ -850,40 +963,57 @@ static inline int nfs4_close_call(struct rpc_clnt *clnt, struct nfs4_closedata *
850 */ 963 */
851int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode) 964int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode)
852{ 965{
966 struct nfs_server *server = NFS_SERVER(inode);
853 struct nfs4_closedata *calldata; 967 struct nfs4_closedata *calldata;
854 int status; 968 int status = -ENOMEM;
855 969
856 /* Tell caller we're done */ 970 calldata = kmalloc(sizeof(*calldata), GFP_KERNEL);
857 if (test_bit(NFS_DELEGATED_STATE, &state->flags)) {
858 state->state = mode;
859 return 0;
860 }
861 calldata = (struct nfs4_closedata *)kmalloc(sizeof(*calldata), GFP_KERNEL);
862 if (calldata == NULL) 971 if (calldata == NULL)
863 return -ENOMEM; 972 goto out;
864 calldata->inode = inode; 973 calldata->inode = inode;
865 calldata->state = state; 974 calldata->state = state;
866 calldata->arg.fh = NFS_FH(inode); 975 calldata->arg.fh = NFS_FH(inode);
976 calldata->arg.stateid = &state->stateid;
867 /* Serialization for the sequence id */ 977 /* Serialization for the sequence id */
868 calldata->arg.seqid = state->owner->so_seqid; 978 calldata->arg.seqid = nfs_alloc_seqid(&state->owner->so_seqid);
869 calldata->arg.open_flags = mode; 979 if (calldata->arg.seqid == NULL)
870 memcpy(&calldata->arg.stateid, &state->stateid, 980 goto out_free_calldata;
871 sizeof(calldata->arg.stateid)); 981 calldata->arg.bitmask = server->attr_bitmask;
872 status = nfs4_close_call(NFS_SERVER(inode)->client, calldata); 982 calldata->res.fattr = &calldata->fattr;
873 /* 983 calldata->res.server = server;
874 * Return -EINPROGRESS on success in order to indicate to the 984
875 * caller that an asynchronous RPC call has been launched, and 985 status = nfs4_call_async(server->client, nfs4_close_begin,
876 * that it will release the semaphores on completion. 986 nfs4_close_done, calldata);
877 */ 987 if (status == 0)
878 return (status == 0) ? -EINPROGRESS : status; 988 goto out;
989
990 nfs_free_seqid(calldata->arg.seqid);
991out_free_calldata:
992 kfree(calldata);
993out:
994 return status;
879} 995}
880 996
881struct inode * 997static void nfs4_intent_set_file(struct nameidata *nd, struct dentry *dentry, struct nfs4_state *state)
998{
999 struct file *filp;
1000
1001 filp = lookup_instantiate_filp(nd, dentry, NULL);
1002 if (!IS_ERR(filp)) {
1003 struct nfs_open_context *ctx;
1004 ctx = (struct nfs_open_context *)filp->private_data;
1005 ctx->state = state;
1006 } else
1007 nfs4_close_state(state, nd->intent.open.flags);
1008}
1009
1010struct dentry *
882nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd) 1011nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
883{ 1012{
884 struct iattr attr; 1013 struct iattr attr;
885 struct rpc_cred *cred; 1014 struct rpc_cred *cred;
886 struct nfs4_state *state; 1015 struct nfs4_state *state;
1016 struct dentry *res;
887 1017
888 if (nd->flags & LOOKUP_CREATE) { 1018 if (nd->flags & LOOKUP_CREATE) {
889 attr.ia_mode = nd->intent.open.create_mode; 1019 attr.ia_mode = nd->intent.open.create_mode;
@@ -897,16 +1027,23 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
897 1027
898 cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0); 1028 cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0);
899 if (IS_ERR(cred)) 1029 if (IS_ERR(cred))
900 return (struct inode *)cred; 1030 return (struct dentry *)cred;
901 state = nfs4_do_open(dir, dentry, nd->intent.open.flags, &attr, cred); 1031 state = nfs4_do_open(dir, dentry, nd->intent.open.flags, &attr, cred);
902 put_rpccred(cred); 1032 put_rpccred(cred);
903 if (IS_ERR(state)) 1033 if (IS_ERR(state)) {
904 return (struct inode *)state; 1034 if (PTR_ERR(state) == -ENOENT)
905 return state->inode; 1035 d_add(dentry, NULL);
1036 return (struct dentry *)state;
1037 }
1038 res = d_add_unique(dentry, state->inode);
1039 if (res != NULL)
1040 dentry = res;
1041 nfs4_intent_set_file(nd, dentry, state);
1042 return res;
906} 1043}
907 1044
908int 1045int
909nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags) 1046nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, struct nameidata *nd)
910{ 1047{
911 struct rpc_cred *cred; 1048 struct rpc_cred *cred;
912 struct nfs4_state *state; 1049 struct nfs4_state *state;
@@ -919,18 +1056,30 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags)
919 if (IS_ERR(state)) 1056 if (IS_ERR(state))
920 state = nfs4_do_open(dir, dentry, openflags, NULL, cred); 1057 state = nfs4_do_open(dir, dentry, openflags, NULL, cred);
921 put_rpccred(cred); 1058 put_rpccred(cred);
922 if (state == ERR_PTR(-ENOENT) && dentry->d_inode == 0) 1059 if (IS_ERR(state)) {
923 return 1; 1060 switch (PTR_ERR(state)) {
924 if (IS_ERR(state)) 1061 case -EPERM:
925 return 0; 1062 case -EACCES:
1063 case -EDQUOT:
1064 case -ENOSPC:
1065 case -EROFS:
1066 lookup_instantiate_filp(nd, (struct dentry *)state, NULL);
1067 return 1;
1068 case -ENOENT:
1069 if (dentry->d_inode == NULL)
1070 return 1;
1071 }
1072 goto out_drop;
1073 }
926 inode = state->inode; 1074 inode = state->inode;
1075 iput(inode);
927 if (inode == dentry->d_inode) { 1076 if (inode == dentry->d_inode) {
928 iput(inode); 1077 nfs4_intent_set_file(nd, dentry, state);
929 return 1; 1078 return 1;
930 } 1079 }
931 d_drop(dentry);
932 nfs4_close_state(state, openflags); 1080 nfs4_close_state(state, openflags);
933 iput(inode); 1081out_drop:
1082 d_drop(dentry);
934 return 0; 1083 return 0;
935} 1084}
936 1085
@@ -974,13 +1123,12 @@ static int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fh
974static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle, 1123static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
975 struct nfs_fsinfo *info) 1124 struct nfs_fsinfo *info)
976{ 1125{
977 struct nfs_fattr * fattr = info->fattr;
978 struct nfs4_lookup_root_arg args = { 1126 struct nfs4_lookup_root_arg args = {
979 .bitmask = nfs4_fattr_bitmap, 1127 .bitmask = nfs4_fattr_bitmap,
980 }; 1128 };
981 struct nfs4_lookup_res res = { 1129 struct nfs4_lookup_res res = {
982 .server = server, 1130 .server = server,
983 .fattr = fattr, 1131 .fattr = info->fattr,
984 .fh = fhandle, 1132 .fh = fhandle,
985 }; 1133 };
986 struct rpc_message msg = { 1134 struct rpc_message msg = {
@@ -988,7 +1136,7 @@ static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
988 .rpc_argp = &args, 1136 .rpc_argp = &args,
989 .rpc_resp = &res, 1137 .rpc_resp = &res,
990 }; 1138 };
991 fattr->valid = 0; 1139 nfs_fattr_init(info->fattr);
992 return rpc_call_sync(server->client, &msg, 0); 1140 return rpc_call_sync(server->client, &msg, 0);
993} 1141}
994 1142
@@ -1051,7 +1199,7 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
1051 q.len = p - q.name; 1199 q.len = p - q.name;
1052 1200
1053 do { 1201 do {
1054 fattr->valid = 0; 1202 nfs_fattr_init(fattr);
1055 status = nfs4_handle_exception(server, 1203 status = nfs4_handle_exception(server,
1056 rpc_call_sync(server->client, &msg, 0), 1204 rpc_call_sync(server->client, &msg, 0),
1057 &exception); 1205 &exception);
@@ -1088,7 +1236,7 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
1088 .rpc_resp = &res, 1236 .rpc_resp = &res,
1089 }; 1237 };
1090 1238
1091 fattr->valid = 0; 1239 nfs_fattr_init(fattr);
1092 return rpc_call_sync(server->client, &msg, 0); 1240 return rpc_call_sync(server->client, &msg, 0);
1093} 1241}
1094 1242
@@ -1130,7 +1278,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
1130 struct nfs4_state *state; 1278 struct nfs4_state *state;
1131 int status; 1279 int status;
1132 1280
1133 fattr->valid = 0; 1281 nfs_fattr_init(fattr);
1134 1282
1135 cred = rpcauth_lookupcred(NFS_SERVER(inode)->client->cl_auth, 0); 1283 cred = rpcauth_lookupcred(NFS_SERVER(inode)->client->cl_auth, 0);
1136 if (IS_ERR(cred)) 1284 if (IS_ERR(cred))
@@ -1176,7 +1324,7 @@ static int _nfs4_proc_lookup(struct inode *dir, struct qstr *name,
1176 .rpc_resp = &res, 1324 .rpc_resp = &res,
1177 }; 1325 };
1178 1326
1179 fattr->valid = 0; 1327 nfs_fattr_init(fattr);
1180 1328
1181 dprintk("NFS call lookup %s\n", name->name); 1329 dprintk("NFS call lookup %s\n", name->name);
1182 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1330 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
@@ -1325,7 +1473,7 @@ static int _nfs4_proc_read(struct nfs_read_data *rdata)
1325 dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 1473 dprintk("NFS call read %d @ %Ld\n", rdata->args.count,
1326 (long long) rdata->args.offset); 1474 (long long) rdata->args.offset);
1327 1475
1328 fattr->valid = 0; 1476 nfs_fattr_init(fattr);
1329 status = rpc_call_sync(server->client, &msg, flags); 1477 status = rpc_call_sync(server->client, &msg, flags);
1330 if (!status) 1478 if (!status)
1331 renew_lease(server, timestamp); 1479 renew_lease(server, timestamp);
@@ -1362,7 +1510,7 @@ static int _nfs4_proc_write(struct nfs_write_data *wdata)
1362 dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 1510 dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
1363 (long long) wdata->args.offset); 1511 (long long) wdata->args.offset);
1364 1512
1365 fattr->valid = 0; 1513 nfs_fattr_init(fattr);
1366 status = rpc_call_sync(server->client, &msg, rpcflags); 1514 status = rpc_call_sync(server->client, &msg, rpcflags);
1367 dprintk("NFS reply write: %d\n", status); 1515 dprintk("NFS reply write: %d\n", status);
1368 return status; 1516 return status;
@@ -1396,7 +1544,7 @@ static int _nfs4_proc_commit(struct nfs_write_data *cdata)
1396 dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, 1544 dprintk("NFS call commit %d @ %Ld\n", cdata->args.count,
1397 (long long) cdata->args.offset); 1545 (long long) cdata->args.offset);
1398 1546
1399 fattr->valid = 0; 1547 nfs_fattr_init(fattr);
1400 status = rpc_call_sync(server->client, &msg, 0); 1548 status = rpc_call_sync(server->client, &msg, 0);
1401 dprintk("NFS reply commit: %d\n", status); 1549 dprintk("NFS reply commit: %d\n", status);
1402 return status; 1550 return status;
@@ -1431,7 +1579,7 @@ static int nfs4_proc_commit(struct nfs_write_data *cdata)
1431 1579
1432static int 1580static int
1433nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 1581nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
1434 int flags) 1582 int flags, struct nameidata *nd)
1435{ 1583{
1436 struct nfs4_state *state; 1584 struct nfs4_state *state;
1437 struct rpc_cred *cred; 1585 struct rpc_cred *cred;
@@ -1453,24 +1601,30 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
1453 struct nfs_fattr fattr; 1601 struct nfs_fattr fattr;
1454 status = nfs4_do_setattr(NFS_SERVER(dir), &fattr, 1602 status = nfs4_do_setattr(NFS_SERVER(dir), &fattr,
1455 NFS_FH(state->inode), sattr, state); 1603 NFS_FH(state->inode), sattr, state);
1456 if (status == 0) { 1604 if (status == 0)
1457 nfs_setattr_update_inode(state->inode, sattr); 1605 nfs_setattr_update_inode(state->inode, sattr);
1458 goto out; 1606 }
1459 } 1607 if (status == 0 && nd != NULL && (nd->flags & LOOKUP_OPEN))
1460 } else if (flags != 0) 1608 nfs4_intent_set_file(nd, dentry, state);
1461 goto out; 1609 else
1462 nfs4_close_state(state, flags); 1610 nfs4_close_state(state, flags);
1463out: 1611out:
1464 return status; 1612 return status;
1465} 1613}
1466 1614
1467static int _nfs4_proc_remove(struct inode *dir, struct qstr *name) 1615static int _nfs4_proc_remove(struct inode *dir, struct qstr *name)
1468{ 1616{
1617 struct nfs_server *server = NFS_SERVER(dir);
1469 struct nfs4_remove_arg args = { 1618 struct nfs4_remove_arg args = {
1470 .fh = NFS_FH(dir), 1619 .fh = NFS_FH(dir),
1471 .name = name, 1620 .name = name,
1621 .bitmask = server->attr_bitmask,
1622 };
1623 struct nfs_fattr dir_attr;
1624 struct nfs4_remove_res res = {
1625 .server = server,
1626 .dir_attr = &dir_attr,
1472 }; 1627 };
1473 struct nfs4_change_info res;
1474 struct rpc_message msg = { 1628 struct rpc_message msg = {
1475 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE], 1629 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE],
1476 .rpc_argp = &args, 1630 .rpc_argp = &args,
@@ -1478,9 +1632,12 @@ static int _nfs4_proc_remove(struct inode *dir, struct qstr *name)
1478 }; 1632 };
1479 int status; 1633 int status;
1480 1634
1481 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1635 nfs_fattr_init(res.dir_attr);
1482 if (status == 0) 1636 status = rpc_call_sync(server->client, &msg, 0);
1483 update_changeattr(dir, &res); 1637 if (status == 0) {
1638 update_changeattr(dir, &res.cinfo);
1639 nfs_post_op_update_inode(dir, res.dir_attr);
1640 }
1484 return status; 1641 return status;
1485} 1642}
1486 1643
@@ -1498,12 +1655,14 @@ static int nfs4_proc_remove(struct inode *dir, struct qstr *name)
1498 1655
1499struct unlink_desc { 1656struct unlink_desc {
1500 struct nfs4_remove_arg args; 1657 struct nfs4_remove_arg args;
1501 struct nfs4_change_info res; 1658 struct nfs4_remove_res res;
1659 struct nfs_fattr dir_attr;
1502}; 1660};
1503 1661
1504static int nfs4_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, 1662static int nfs4_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir,
1505 struct qstr *name) 1663 struct qstr *name)
1506{ 1664{
1665 struct nfs_server *server = NFS_SERVER(dir->d_inode);
1507 struct unlink_desc *up; 1666 struct unlink_desc *up;
1508 1667
1509 up = (struct unlink_desc *) kmalloc(sizeof(*up), GFP_KERNEL); 1668 up = (struct unlink_desc *) kmalloc(sizeof(*up), GFP_KERNEL);
@@ -1512,6 +1671,9 @@ static int nfs4_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir,
1512 1671
1513 up->args.fh = NFS_FH(dir->d_inode); 1672 up->args.fh = NFS_FH(dir->d_inode);
1514 up->args.name = name; 1673 up->args.name = name;
1674 up->args.bitmask = server->attr_bitmask;
1675 up->res.server = server;
1676 up->res.dir_attr = &up->dir_attr;
1515 1677
1516 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE]; 1678 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE];
1517 msg->rpc_argp = &up->args; 1679 msg->rpc_argp = &up->args;
@@ -1526,7 +1688,8 @@ static int nfs4_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
1526 1688
1527 if (msg->rpc_resp != NULL) { 1689 if (msg->rpc_resp != NULL) {
1528 up = container_of(msg->rpc_resp, struct unlink_desc, res); 1690 up = container_of(msg->rpc_resp, struct unlink_desc, res);
1529 update_changeattr(dir->d_inode, &up->res); 1691 update_changeattr(dir->d_inode, &up->res.cinfo);
1692 nfs_post_op_update_inode(dir->d_inode, up->res.dir_attr);
1530 kfree(up); 1693 kfree(up);
1531 msg->rpc_resp = NULL; 1694 msg->rpc_resp = NULL;
1532 msg->rpc_argp = NULL; 1695 msg->rpc_argp = NULL;
@@ -1537,13 +1700,20 @@ static int nfs4_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
1537static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name, 1700static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
1538 struct inode *new_dir, struct qstr *new_name) 1701 struct inode *new_dir, struct qstr *new_name)
1539{ 1702{
1703 struct nfs_server *server = NFS_SERVER(old_dir);
1540 struct nfs4_rename_arg arg = { 1704 struct nfs4_rename_arg arg = {
1541 .old_dir = NFS_FH(old_dir), 1705 .old_dir = NFS_FH(old_dir),
1542 .new_dir = NFS_FH(new_dir), 1706 .new_dir = NFS_FH(new_dir),
1543 .old_name = old_name, 1707 .old_name = old_name,
1544 .new_name = new_name, 1708 .new_name = new_name,
1709 .bitmask = server->attr_bitmask,
1710 };
1711 struct nfs_fattr old_fattr, new_fattr;
1712 struct nfs4_rename_res res = {
1713 .server = server,
1714 .old_fattr = &old_fattr,
1715 .new_fattr = &new_fattr,
1545 }; 1716 };
1546 struct nfs4_rename_res res = { };
1547 struct rpc_message msg = { 1717 struct rpc_message msg = {
1548 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENAME], 1718 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENAME],
1549 .rpc_argp = &arg, 1719 .rpc_argp = &arg,
@@ -1551,11 +1721,15 @@ static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
1551 }; 1721 };
1552 int status; 1722 int status;
1553 1723
1554 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 1724 nfs_fattr_init(res.old_fattr);
1725 nfs_fattr_init(res.new_fattr);
1726 status = rpc_call_sync(server->client, &msg, 0);
1555 1727
1556 if (!status) { 1728 if (!status) {
1557 update_changeattr(old_dir, &res.old_cinfo); 1729 update_changeattr(old_dir, &res.old_cinfo);
1730 nfs_post_op_update_inode(old_dir, res.old_fattr);
1558 update_changeattr(new_dir, &res.new_cinfo); 1731 update_changeattr(new_dir, &res.new_cinfo);
1732 nfs_post_op_update_inode(new_dir, res.new_fattr);
1559 } 1733 }
1560 return status; 1734 return status;
1561} 1735}
@@ -1576,22 +1750,34 @@ static int nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
1576 1750
1577static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 1751static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
1578{ 1752{
1753 struct nfs_server *server = NFS_SERVER(inode);
1579 struct nfs4_link_arg arg = { 1754 struct nfs4_link_arg arg = {
1580 .fh = NFS_FH(inode), 1755 .fh = NFS_FH(inode),
1581 .dir_fh = NFS_FH(dir), 1756 .dir_fh = NFS_FH(dir),
1582 .name = name, 1757 .name = name,
1758 .bitmask = server->attr_bitmask,
1759 };
1760 struct nfs_fattr fattr, dir_attr;
1761 struct nfs4_link_res res = {
1762 .server = server,
1763 .fattr = &fattr,
1764 .dir_attr = &dir_attr,
1583 }; 1765 };
1584 struct nfs4_change_info cinfo = { };
1585 struct rpc_message msg = { 1766 struct rpc_message msg = {
1586 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LINK], 1767 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LINK],
1587 .rpc_argp = &arg, 1768 .rpc_argp = &arg,
1588 .rpc_resp = &cinfo, 1769 .rpc_resp = &res,
1589 }; 1770 };
1590 int status; 1771 int status;
1591 1772
1592 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 1773 nfs_fattr_init(res.fattr);
1593 if (!status) 1774 nfs_fattr_init(res.dir_attr);
1594 update_changeattr(dir, &cinfo); 1775 status = rpc_call_sync(server->client, &msg, 0);
1776 if (!status) {
1777 update_changeattr(dir, &res.cinfo);
1778 nfs_post_op_update_inode(dir, res.dir_attr);
1779 nfs_refresh_inode(inode, res.fattr);
1780 }
1595 1781
1596 return status; 1782 return status;
1597} 1783}
@@ -1613,6 +1799,7 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
1613 struct nfs_fattr *fattr) 1799 struct nfs_fattr *fattr)
1614{ 1800{
1615 struct nfs_server *server = NFS_SERVER(dir); 1801 struct nfs_server *server = NFS_SERVER(dir);
1802 struct nfs_fattr dir_fattr;
1616 struct nfs4_create_arg arg = { 1803 struct nfs4_create_arg arg = {
1617 .dir_fh = NFS_FH(dir), 1804 .dir_fh = NFS_FH(dir),
1618 .server = server, 1805 .server = server,
@@ -1625,6 +1812,7 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
1625 .server = server, 1812 .server = server,
1626 .fh = fhandle, 1813 .fh = fhandle,
1627 .fattr = fattr, 1814 .fattr = fattr,
1815 .dir_fattr = &dir_fattr,
1628 }; 1816 };
1629 struct rpc_message msg = { 1817 struct rpc_message msg = {
1630 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SYMLINK], 1818 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SYMLINK],
@@ -1636,11 +1824,13 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
1636 if (path->len > NFS4_MAXPATHLEN) 1824 if (path->len > NFS4_MAXPATHLEN)
1637 return -ENAMETOOLONG; 1825 return -ENAMETOOLONG;
1638 arg.u.symlink = path; 1826 arg.u.symlink = path;
1639 fattr->valid = 0; 1827 nfs_fattr_init(fattr);
1828 nfs_fattr_init(&dir_fattr);
1640 1829
1641 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1830 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
1642 if (!status) 1831 if (!status)
1643 update_changeattr(dir, &res.dir_cinfo); 1832 update_changeattr(dir, &res.dir_cinfo);
1833 nfs_post_op_update_inode(dir, res.dir_fattr);
1644 return status; 1834 return status;
1645} 1835}
1646 1836
@@ -1664,7 +1854,7 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
1664{ 1854{
1665 struct nfs_server *server = NFS_SERVER(dir); 1855 struct nfs_server *server = NFS_SERVER(dir);
1666 struct nfs_fh fhandle; 1856 struct nfs_fh fhandle;
1667 struct nfs_fattr fattr; 1857 struct nfs_fattr fattr, dir_fattr;
1668 struct nfs4_create_arg arg = { 1858 struct nfs4_create_arg arg = {
1669 .dir_fh = NFS_FH(dir), 1859 .dir_fh = NFS_FH(dir),
1670 .server = server, 1860 .server = server,
@@ -1677,6 +1867,7 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
1677 .server = server, 1867 .server = server,
1678 .fh = &fhandle, 1868 .fh = &fhandle,
1679 .fattr = &fattr, 1869 .fattr = &fattr,
1870 .dir_fattr = &dir_fattr,
1680 }; 1871 };
1681 struct rpc_message msg = { 1872 struct rpc_message msg = {
1682 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE], 1873 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE],
@@ -1685,11 +1876,13 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
1685 }; 1876 };
1686 int status; 1877 int status;
1687 1878
1688 fattr.valid = 0; 1879 nfs_fattr_init(&fattr);
1880 nfs_fattr_init(&dir_fattr);
1689 1881
1690 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1882 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
1691 if (!status) { 1883 if (!status) {
1692 update_changeattr(dir, &res.dir_cinfo); 1884 update_changeattr(dir, &res.dir_cinfo);
1885 nfs_post_op_update_inode(dir, res.dir_fattr);
1693 status = nfs_instantiate(dentry, &fhandle, &fattr); 1886 status = nfs_instantiate(dentry, &fhandle, &fattr);
1694 } 1887 }
1695 return status; 1888 return status;
@@ -1762,7 +1955,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
1762{ 1955{
1763 struct nfs_server *server = NFS_SERVER(dir); 1956 struct nfs_server *server = NFS_SERVER(dir);
1764 struct nfs_fh fh; 1957 struct nfs_fh fh;
1765 struct nfs_fattr fattr; 1958 struct nfs_fattr fattr, dir_fattr;
1766 struct nfs4_create_arg arg = { 1959 struct nfs4_create_arg arg = {
1767 .dir_fh = NFS_FH(dir), 1960 .dir_fh = NFS_FH(dir),
1768 .server = server, 1961 .server = server,
@@ -1774,6 +1967,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
1774 .server = server, 1967 .server = server,
1775 .fh = &fh, 1968 .fh = &fh,
1776 .fattr = &fattr, 1969 .fattr = &fattr,
1970 .dir_fattr = &dir_fattr,
1777 }; 1971 };
1778 struct rpc_message msg = { 1972 struct rpc_message msg = {
1779 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE], 1973 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE],
@@ -1783,7 +1977,8 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
1783 int status; 1977 int status;
1784 int mode = sattr->ia_mode; 1978 int mode = sattr->ia_mode;
1785 1979
1786 fattr.valid = 0; 1980 nfs_fattr_init(&fattr);
1981 nfs_fattr_init(&dir_fattr);
1787 1982
1788 BUG_ON(!(sattr->ia_valid & ATTR_MODE)); 1983 BUG_ON(!(sattr->ia_valid & ATTR_MODE));
1789 BUG_ON(!S_ISFIFO(mode) && !S_ISBLK(mode) && !S_ISCHR(mode) && !S_ISSOCK(mode)); 1984 BUG_ON(!S_ISFIFO(mode) && !S_ISBLK(mode) && !S_ISCHR(mode) && !S_ISSOCK(mode));
@@ -1805,6 +2000,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
1805 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2000 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
1806 if (status == 0) { 2001 if (status == 0) {
1807 update_changeattr(dir, &res.dir_cinfo); 2002 update_changeattr(dir, &res.dir_cinfo);
2003 nfs_post_op_update_inode(dir, res.dir_fattr);
1808 status = nfs_instantiate(dentry, &fh, &fattr); 2004 status = nfs_instantiate(dentry, &fh, &fattr);
1809 } 2005 }
1810 return status; 2006 return status;
@@ -1836,7 +2032,7 @@ static int _nfs4_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
1836 .rpc_resp = fsstat, 2032 .rpc_resp = fsstat,
1837 }; 2033 };
1838 2034
1839 fsstat->fattr->valid = 0; 2035 nfs_fattr_init(fsstat->fattr);
1840 return rpc_call_sync(server->client, &msg, 0); 2036 return rpc_call_sync(server->client, &msg, 0);
1841} 2037}
1842 2038
@@ -1883,7 +2079,7 @@ static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, str
1883 2079
1884static int nfs4_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsinfo *fsinfo) 2080static int nfs4_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsinfo *fsinfo)
1885{ 2081{
1886 fsinfo->fattr->valid = 0; 2082 nfs_fattr_init(fsinfo->fattr);
1887 return nfs4_do_fsinfo(server, fhandle, fsinfo); 2083 return nfs4_do_fsinfo(server, fhandle, fsinfo);
1888} 2084}
1889 2085
@@ -1906,7 +2102,7 @@ static int _nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle
1906 return 0; 2102 return 0;
1907 } 2103 }
1908 2104
1909 pathconf->fattr->valid = 0; 2105 nfs_fattr_init(pathconf->fattr);
1910 return rpc_call_sync(server->client, &msg, 0); 2106 return rpc_call_sync(server->client, &msg, 0);
1911} 2107}
1912 2108
@@ -1973,8 +2169,10 @@ nfs4_write_done(struct rpc_task *task)
1973 rpc_restart_call(task); 2169 rpc_restart_call(task);
1974 return; 2170 return;
1975 } 2171 }
1976 if (task->tk_status >= 0) 2172 if (task->tk_status >= 0) {
1977 renew_lease(NFS_SERVER(inode), data->timestamp); 2173 renew_lease(NFS_SERVER(inode), data->timestamp);
2174 nfs_post_op_update_inode(inode, data->res.fattr);
2175 }
1978 /* Call back common NFS writeback processing */ 2176 /* Call back common NFS writeback processing */
1979 nfs_writeback_done(task); 2177 nfs_writeback_done(task);
1980} 2178}
@@ -1990,6 +2188,7 @@ nfs4_proc_write_setup(struct nfs_write_data *data, int how)
1990 .rpc_cred = data->cred, 2188 .rpc_cred = data->cred,
1991 }; 2189 };
1992 struct inode *inode = data->inode; 2190 struct inode *inode = data->inode;
2191 struct nfs_server *server = NFS_SERVER(inode);
1993 int stable; 2192 int stable;
1994 int flags; 2193 int flags;
1995 2194
@@ -2001,6 +2200,8 @@ nfs4_proc_write_setup(struct nfs_write_data *data, int how)
2001 } else 2200 } else
2002 stable = NFS_UNSTABLE; 2201 stable = NFS_UNSTABLE;
2003 data->args.stable = stable; 2202 data->args.stable = stable;
2203 data->args.bitmask = server->attr_bitmask;
2204 data->res.server = server;
2004 2205
2005 data->timestamp = jiffies; 2206 data->timestamp = jiffies;
2006 2207
@@ -2022,6 +2223,8 @@ nfs4_commit_done(struct rpc_task *task)
2022 rpc_restart_call(task); 2223 rpc_restart_call(task);
2023 return; 2224 return;
2024 } 2225 }
2226 if (task->tk_status >= 0)
2227 nfs_post_op_update_inode(inode, data->res.fattr);
2025 /* Call back common NFS writeback processing */ 2228 /* Call back common NFS writeback processing */
2026 nfs_commit_done(task); 2229 nfs_commit_done(task);
2027} 2230}
@@ -2037,8 +2240,12 @@ nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
2037 .rpc_cred = data->cred, 2240 .rpc_cred = data->cred,
2038 }; 2241 };
2039 struct inode *inode = data->inode; 2242 struct inode *inode = data->inode;
2243 struct nfs_server *server = NFS_SERVER(inode);
2040 int flags; 2244 int flags;
2041 2245
2246 data->args.bitmask = server->attr_bitmask;
2247 data->res.server = server;
2248
2042 /* Set the initial flags for the task. */ 2249 /* Set the initial flags for the task. */
2043 flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC; 2250 flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
2044 2251
@@ -2106,65 +2313,6 @@ nfs4_proc_renew(struct nfs4_client *clp)
2106 return 0; 2313 return 0;
2107} 2314}
2108 2315
2109/*
2110 * We will need to arrange for the VFS layer to provide an atomic open.
2111 * Until then, this open method is prone to inefficiency and race conditions
2112 * due to the lookup, potential create, and open VFS calls from sys_open()
2113 * placed on the wire.
2114 */
2115static int
2116nfs4_proc_file_open(struct inode *inode, struct file *filp)
2117{
2118 struct dentry *dentry = filp->f_dentry;
2119 struct nfs_open_context *ctx;
2120 struct nfs4_state *state = NULL;
2121 struct rpc_cred *cred;
2122 int status = -ENOMEM;
2123
2124 dprintk("nfs4_proc_file_open: starting on (%.*s/%.*s)\n",
2125 (int)dentry->d_parent->d_name.len,
2126 dentry->d_parent->d_name.name,
2127 (int)dentry->d_name.len, dentry->d_name.name);
2128
2129
2130 /* Find our open stateid */
2131 cred = rpcauth_lookupcred(NFS_SERVER(inode)->client->cl_auth, 0);
2132 if (IS_ERR(cred))
2133 return PTR_ERR(cred);
2134 ctx = alloc_nfs_open_context(dentry, cred);
2135 put_rpccred(cred);
2136 if (unlikely(ctx == NULL))
2137 return -ENOMEM;
2138 status = -EIO; /* ERACE actually */
2139 state = nfs4_find_state(inode, cred, filp->f_mode);
2140 if (unlikely(state == NULL))
2141 goto no_state;
2142 ctx->state = state;
2143 nfs4_close_state(state, filp->f_mode);
2144 ctx->mode = filp->f_mode;
2145 nfs_file_set_open_context(filp, ctx);
2146 put_nfs_open_context(ctx);
2147 if (filp->f_mode & FMODE_WRITE)
2148 nfs_begin_data_update(inode);
2149 return 0;
2150no_state:
2151 printk(KERN_WARNING "NFS: v4 raced in function %s\n", __FUNCTION__);
2152 put_nfs_open_context(ctx);
2153 return status;
2154}
2155
2156/*
2157 * Release our state
2158 */
2159static int
2160nfs4_proc_file_release(struct inode *inode, struct file *filp)
2161{
2162 if (filp->f_mode & FMODE_WRITE)
2163 nfs_end_data_update(inode);
2164 nfs_file_clear_open_context(filp);
2165 return 0;
2166}
2167
2168static inline int nfs4_server_supports_acls(struct nfs_server *server) 2316static inline int nfs4_server_supports_acls(struct nfs_server *server)
2169{ 2317{
2170 return (server->caps & NFS_CAP_ACLS) 2318 return (server->caps & NFS_CAP_ACLS)
@@ -2285,7 +2433,7 @@ static inline ssize_t nfs4_get_acl_uncached(struct inode *inode, void *buf, size
2285 return -ENOMEM; 2433 return -ENOMEM;
2286 args.acl_pages[0] = localpage; 2434 args.acl_pages[0] = localpage;
2287 args.acl_pgbase = 0; 2435 args.acl_pgbase = 0;
2288 args.acl_len = PAGE_SIZE; 2436 resp_len = args.acl_len = PAGE_SIZE;
2289 } else { 2437 } else {
2290 resp_buf = buf; 2438 resp_buf = buf;
2291 buf_to_pages(buf, buflen, args.acl_pages, &args.acl_pgbase); 2439 buf_to_pages(buf, buflen, args.acl_pages, &args.acl_pgbase);
@@ -2345,6 +2493,7 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
2345 2493
2346 if (!nfs4_server_supports_acls(server)) 2494 if (!nfs4_server_supports_acls(server))
2347 return -EOPNOTSUPP; 2495 return -EOPNOTSUPP;
2496 nfs_inode_return_delegation(inode);
2348 buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase); 2497 buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
2349 ret = rpc_call_sync(NFS_SERVER(inode)->client, &msg, 0); 2498 ret = rpc_call_sync(NFS_SERVER(inode)->client, &msg, 0);
2350 if (ret == 0) 2499 if (ret == 0)
@@ -2353,7 +2502,7 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
2353} 2502}
2354 2503
2355static int 2504static int
2356nfs4_async_handle_error(struct rpc_task *task, struct nfs_server *server) 2505nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
2357{ 2506{
2358 struct nfs4_client *clp = server->nfs4_state; 2507 struct nfs4_client *clp = server->nfs4_state;
2359 2508
@@ -2431,7 +2580,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
2431/* This is the error handling routine for processes that are allowed 2580/* This is the error handling routine for processes that are allowed
2432 * to sleep. 2581 * to sleep.
2433 */ 2582 */
2434int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_exception *exception) 2583int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
2435{ 2584{
2436 struct nfs4_client *clp = server->nfs4_state; 2585 struct nfs4_client *clp = server->nfs4_state;
2437 int ret = errorcode; 2586 int ret = errorcode;
@@ -2632,7 +2781,6 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
2632 2781
2633 down_read(&clp->cl_sem); 2782 down_read(&clp->cl_sem);
2634 nlo.clientid = clp->cl_clientid; 2783 nlo.clientid = clp->cl_clientid;
2635 down(&state->lock_sema);
2636 status = nfs4_set_lock_state(state, request); 2784 status = nfs4_set_lock_state(state, request);
2637 if (status != 0) 2785 if (status != 0)
2638 goto out; 2786 goto out;
@@ -2659,7 +2807,6 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
2659 status = 0; 2807 status = 0;
2660 } 2808 }
2661out: 2809out:
2662 up(&state->lock_sema);
2663 up_read(&clp->cl_sem); 2810 up_read(&clp->cl_sem);
2664 return status; 2811 return status;
2665} 2812}
@@ -2696,79 +2843,149 @@ static int do_vfs_lock(struct file *file, struct file_lock *fl)
2696 return res; 2843 return res;
2697} 2844}
2698 2845
2699static int _nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request) 2846struct nfs4_unlockdata {
2847 struct nfs_lockargs arg;
2848 struct nfs_locku_opargs luargs;
2849 struct nfs_lockres res;
2850 struct nfs4_lock_state *lsp;
2851 struct nfs_open_context *ctx;
2852 atomic_t refcount;
2853 struct completion completion;
2854};
2855
2856static void nfs4_locku_release_calldata(struct nfs4_unlockdata *calldata)
2700{ 2857{
2701 struct inode *inode = state->inode; 2858 if (atomic_dec_and_test(&calldata->refcount)) {
2702 struct nfs_server *server = NFS_SERVER(inode); 2859 nfs_free_seqid(calldata->luargs.seqid);
2703 struct nfs4_client *clp = server->nfs4_state; 2860 nfs4_put_lock_state(calldata->lsp);
2704 struct nfs_lockargs arg = { 2861 put_nfs_open_context(calldata->ctx);
2705 .fh = NFS_FH(inode), 2862 kfree(calldata);
2706 .type = nfs4_lck_type(cmd, request), 2863 }
2707 .offset = request->fl_start, 2864}
2708 .length = nfs4_lck_length(request), 2865
2709 }; 2866static void nfs4_locku_complete(struct nfs4_unlockdata *calldata)
2710 struct nfs_lockres res = { 2867{
2711 .server = server, 2868 complete(&calldata->completion);
2712 }; 2869 nfs4_locku_release_calldata(calldata);
2870}
2871
2872static void nfs4_locku_done(struct rpc_task *task)
2873{
2874 struct nfs4_unlockdata *calldata = (struct nfs4_unlockdata *)task->tk_calldata;
2875
2876 nfs_increment_lock_seqid(task->tk_status, calldata->luargs.seqid);
2877 switch (task->tk_status) {
2878 case 0:
2879 memcpy(calldata->lsp->ls_stateid.data,
2880 calldata->res.u.stateid.data,
2881 sizeof(calldata->lsp->ls_stateid.data));
2882 break;
2883 case -NFS4ERR_STALE_STATEID:
2884 case -NFS4ERR_EXPIRED:
2885 nfs4_schedule_state_recovery(calldata->res.server->nfs4_state);
2886 break;
2887 default:
2888 if (nfs4_async_handle_error(task, calldata->res.server) == -EAGAIN) {
2889 rpc_restart_call(task);
2890 return;
2891 }
2892 }
2893 nfs4_locku_complete(calldata);
2894}
2895
2896static void nfs4_locku_begin(struct rpc_task *task)
2897{
2898 struct nfs4_unlockdata *calldata = (struct nfs4_unlockdata *)task->tk_calldata;
2713 struct rpc_message msg = { 2899 struct rpc_message msg = {
2714 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCKU], 2900 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCKU],
2715 .rpc_argp = &arg, 2901 .rpc_argp = &calldata->arg,
2716 .rpc_resp = &res, 2902 .rpc_resp = &calldata->res,
2717 .rpc_cred = state->owner->so_cred, 2903 .rpc_cred = calldata->lsp->ls_state->owner->so_cred,
2718 }; 2904 };
2905 int status;
2906
2907 status = nfs_wait_on_sequence(calldata->luargs.seqid, task);
2908 if (status != 0)
2909 return;
2910 if ((calldata->lsp->ls_flags & NFS_LOCK_INITIALIZED) == 0) {
2911 nfs4_locku_complete(calldata);
2912 task->tk_exit = NULL;
2913 rpc_exit(task, 0);
2914 return;
2915 }
2916 rpc_call_setup(task, &msg, 0);
2917}
2918
2919static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request)
2920{
2921 struct nfs4_unlockdata *calldata;
2922 struct inode *inode = state->inode;
2923 struct nfs_server *server = NFS_SERVER(inode);
2719 struct nfs4_lock_state *lsp; 2924 struct nfs4_lock_state *lsp;
2720 struct nfs_locku_opargs luargs;
2721 int status; 2925 int status;
2722 2926
2723 down_read(&clp->cl_sem);
2724 down(&state->lock_sema);
2725 status = nfs4_set_lock_state(state, request); 2927 status = nfs4_set_lock_state(state, request);
2726 if (status != 0) 2928 if (status != 0)
2727 goto out; 2929 return status;
2728 lsp = request->fl_u.nfs4_fl.owner; 2930 lsp = request->fl_u.nfs4_fl.owner;
2729 /* We might have lost the locks! */ 2931 /* We might have lost the locks! */
2730 if ((lsp->ls_flags & NFS_LOCK_INITIALIZED) == 0) 2932 if ((lsp->ls_flags & NFS_LOCK_INITIALIZED) == 0)
2731 goto out; 2933 return 0;
2732 luargs.seqid = lsp->ls_seqid; 2934 calldata = kmalloc(sizeof(*calldata), GFP_KERNEL);
2733 memcpy(&luargs.stateid, &lsp->ls_stateid, sizeof(luargs.stateid)); 2935 if (calldata == NULL)
2734 arg.u.locku = &luargs; 2936 return -ENOMEM;
2735 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 2937 calldata->luargs.seqid = nfs_alloc_seqid(&lsp->ls_seqid);
2736 nfs4_increment_lock_seqid(status, lsp); 2938 if (calldata->luargs.seqid == NULL) {
2737 2939 kfree(calldata);
2738 if (status == 0) 2940 return -ENOMEM;
2739 memcpy(&lsp->ls_stateid, &res.u.stateid, 2941 }
2740 sizeof(lsp->ls_stateid)); 2942 calldata->luargs.stateid = &lsp->ls_stateid;
2741out: 2943 calldata->arg.fh = NFS_FH(inode);
2742 up(&state->lock_sema); 2944 calldata->arg.type = nfs4_lck_type(cmd, request);
2945 calldata->arg.offset = request->fl_start;
2946 calldata->arg.length = nfs4_lck_length(request);
2947 calldata->arg.u.locku = &calldata->luargs;
2948 calldata->res.server = server;
2949 calldata->lsp = lsp;
2950 atomic_inc(&lsp->ls_count);
2951
2952 /* Ensure we don't close file until we're done freeing locks! */
2953 calldata->ctx = get_nfs_open_context((struct nfs_open_context*)request->fl_file->private_data);
2954
2955 atomic_set(&calldata->refcount, 2);
2956 init_completion(&calldata->completion);
2957
2958 status = nfs4_call_async(NFS_SERVER(inode)->client, nfs4_locku_begin,
2959 nfs4_locku_done, calldata);
2743 if (status == 0) 2960 if (status == 0)
2744 do_vfs_lock(request->fl_file, request); 2961 wait_for_completion_interruptible(&calldata->completion);
2745 up_read(&clp->cl_sem); 2962 do_vfs_lock(request->fl_file, request);
2963 nfs4_locku_release_calldata(calldata);
2746 return status; 2964 return status;
2747} 2965}
2748 2966
2749static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request)
2750{
2751 struct nfs4_exception exception = { };
2752 int err;
2753
2754 do {
2755 err = nfs4_handle_exception(NFS_SERVER(state->inode),
2756 _nfs4_proc_unlck(state, cmd, request),
2757 &exception);
2758 } while (exception.retry);
2759 return err;
2760}
2761
2762static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *request, int reclaim) 2967static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *request, int reclaim)
2763{ 2968{
2764 struct inode *inode = state->inode; 2969 struct inode *inode = state->inode;
2765 struct nfs_server *server = NFS_SERVER(inode); 2970 struct nfs_server *server = NFS_SERVER(inode);
2766 struct nfs4_lock_state *lsp = request->fl_u.nfs4_fl.owner; 2971 struct nfs4_lock_state *lsp = request->fl_u.nfs4_fl.owner;
2972 struct nfs_lock_opargs largs = {
2973 .lock_stateid = &lsp->ls_stateid,
2974 .open_stateid = &state->stateid,
2975 .lock_owner = {
2976 .clientid = server->nfs4_state->cl_clientid,
2977 .id = lsp->ls_id,
2978 },
2979 .reclaim = reclaim,
2980 };
2767 struct nfs_lockargs arg = { 2981 struct nfs_lockargs arg = {
2768 .fh = NFS_FH(inode), 2982 .fh = NFS_FH(inode),
2769 .type = nfs4_lck_type(cmd, request), 2983 .type = nfs4_lck_type(cmd, request),
2770 .offset = request->fl_start, 2984 .offset = request->fl_start,
2771 .length = nfs4_lck_length(request), 2985 .length = nfs4_lck_length(request),
2986 .u = {
2987 .lock = &largs,
2988 },
2772 }; 2989 };
2773 struct nfs_lockres res = { 2990 struct nfs_lockres res = {
2774 .server = server, 2991 .server = server,
@@ -2779,53 +2996,39 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *r
2779 .rpc_resp = &res, 2996 .rpc_resp = &res,
2780 .rpc_cred = state->owner->so_cred, 2997 .rpc_cred = state->owner->so_cred,
2781 }; 2998 };
2782 struct nfs_lock_opargs largs = { 2999 int status = -ENOMEM;
2783 .reclaim = reclaim,
2784 .new_lock_owner = 0,
2785 };
2786 int status;
2787 3000
2788 if (!(lsp->ls_flags & NFS_LOCK_INITIALIZED)) { 3001 largs.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid);
3002 if (largs.lock_seqid == NULL)
3003 return -ENOMEM;
3004 if (!(lsp->ls_seqid.flags & NFS_SEQID_CONFIRMED)) {
2789 struct nfs4_state_owner *owner = state->owner; 3005 struct nfs4_state_owner *owner = state->owner;
2790 struct nfs_open_to_lock otl = { 3006
2791 .lock_owner = { 3007 largs.open_seqid = nfs_alloc_seqid(&owner->so_seqid);
2792 .clientid = server->nfs4_state->cl_clientid, 3008 if (largs.open_seqid == NULL)
2793 }, 3009 goto out;
2794 };
2795
2796 otl.lock_seqid = lsp->ls_seqid;
2797 otl.lock_owner.id = lsp->ls_id;
2798 memcpy(&otl.open_stateid, &state->stateid, sizeof(otl.open_stateid));
2799 largs.u.open_lock = &otl;
2800 largs.new_lock_owner = 1; 3010 largs.new_lock_owner = 1;
2801 arg.u.lock = &largs;
2802 down(&owner->so_sema);
2803 otl.open_seqid = owner->so_seqid;
2804 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 3011 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR);
2805 /* increment open_owner seqid on success, and 3012 /* increment open seqid on success, and seqid mutating errors */
2806 * seqid mutating errors */ 3013 if (largs.new_lock_owner != 0) {
2807 nfs4_increment_seqid(status, owner); 3014 nfs_increment_open_seqid(status, largs.open_seqid);
2808 up(&owner->so_sema); 3015 if (status == 0)
2809 if (status == 0) { 3016 nfs_confirm_seqid(&lsp->ls_seqid, 0);
2810 lsp->ls_flags |= NFS_LOCK_INITIALIZED;
2811 lsp->ls_seqid++;
2812 } 3017 }
2813 } else { 3018 nfs_free_seqid(largs.open_seqid);
2814 struct nfs_exist_lock el = { 3019 } else
2815 .seqid = lsp->ls_seqid,
2816 };
2817 memcpy(&el.stateid, &lsp->ls_stateid, sizeof(el.stateid));
2818 largs.u.exist_lock = &el;
2819 arg.u.lock = &largs;
2820 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR); 3020 status = rpc_call_sync(server->client, &msg, RPC_TASK_NOINTR);
2821 /* increment seqid on success, and * seqid mutating errors*/ 3021 /* increment lock seqid on success, and seqid mutating errors*/
2822 nfs4_increment_lock_seqid(status, lsp); 3022 nfs_increment_lock_seqid(status, largs.lock_seqid);
2823 }
2824 /* save the returned stateid. */ 3023 /* save the returned stateid. */
2825 if (status == 0) 3024 if (status == 0) {
2826 memcpy(&lsp->ls_stateid, &res.u.stateid, sizeof(nfs4_stateid)); 3025 memcpy(lsp->ls_stateid.data, res.u.stateid.data,
2827 else if (status == -NFS4ERR_DENIED) 3026 sizeof(lsp->ls_stateid.data));
3027 lsp->ls_flags |= NFS_LOCK_INITIALIZED;
3028 } else if (status == -NFS4ERR_DENIED)
2828 status = -EAGAIN; 3029 status = -EAGAIN;
3030out:
3031 nfs_free_seqid(largs.lock_seqid);
2829 return status; 3032 return status;
2830} 3033}
2831 3034
@@ -2865,11 +3068,9 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
2865 int status; 3068 int status;
2866 3069
2867 down_read(&clp->cl_sem); 3070 down_read(&clp->cl_sem);
2868 down(&state->lock_sema);
2869 status = nfs4_set_lock_state(state, request); 3071 status = nfs4_set_lock_state(state, request);
2870 if (status == 0) 3072 if (status == 0)
2871 status = _nfs4_do_setlk(state, cmd, request, 0); 3073 status = _nfs4_do_setlk(state, cmd, request, 0);
2872 up(&state->lock_sema);
2873 if (status == 0) { 3074 if (status == 0) {
2874 /* Note: we always want to sleep here! */ 3075 /* Note: we always want to sleep here! */
2875 request->fl_flags |= FL_SLEEP; 3076 request->fl_flags |= FL_SLEEP;
@@ -3024,8 +3225,8 @@ struct nfs_rpc_ops nfs_v4_clientops = {
3024 .read_setup = nfs4_proc_read_setup, 3225 .read_setup = nfs4_proc_read_setup,
3025 .write_setup = nfs4_proc_write_setup, 3226 .write_setup = nfs4_proc_write_setup,
3026 .commit_setup = nfs4_proc_commit_setup, 3227 .commit_setup = nfs4_proc_commit_setup,
3027 .file_open = nfs4_proc_file_open, 3228 .file_open = nfs_open,
3028 .file_release = nfs4_proc_file_release, 3229 .file_release = nfs_release,
3029 .lock = nfs4_proc_lock, 3230 .lock = nfs4_proc_lock,
3030 .clear_acl_cache = nfs4_zap_acl_attr, 3231 .clear_acl_cache = nfs4_zap_acl_attr,
3031}; 3232};
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index afe587d82f1e..2d5a6a2b9dec 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -264,13 +264,16 @@ nfs4_alloc_state_owner(void)
264{ 264{
265 struct nfs4_state_owner *sp; 265 struct nfs4_state_owner *sp;
266 266
267 sp = kmalloc(sizeof(*sp),GFP_KERNEL); 267 sp = kzalloc(sizeof(*sp),GFP_KERNEL);
268 if (!sp) 268 if (!sp)
269 return NULL; 269 return NULL;
270 init_MUTEX(&sp->so_sema); 270 spin_lock_init(&sp->so_lock);
271 sp->so_seqid = 0; /* arbitrary */
272 INIT_LIST_HEAD(&sp->so_states); 271 INIT_LIST_HEAD(&sp->so_states);
273 INIT_LIST_HEAD(&sp->so_delegations); 272 INIT_LIST_HEAD(&sp->so_delegations);
273 rpc_init_wait_queue(&sp->so_sequence.wait, "Seqid_waitqueue");
274 sp->so_seqid.sequence = &sp->so_sequence;
275 spin_lock_init(&sp->so_sequence.lock);
276 INIT_LIST_HEAD(&sp->so_sequence.list);
274 atomic_set(&sp->so_count, 1); 277 atomic_set(&sp->so_count, 1);
275 return sp; 278 return sp;
276} 279}
@@ -359,7 +362,6 @@ nfs4_alloc_open_state(void)
359 memset(state->stateid.data, 0, sizeof(state->stateid.data)); 362 memset(state->stateid.data, 0, sizeof(state->stateid.data));
360 atomic_set(&state->count, 1); 363 atomic_set(&state->count, 1);
361 INIT_LIST_HEAD(&state->lock_states); 364 INIT_LIST_HEAD(&state->lock_states);
362 init_MUTEX(&state->lock_sema);
363 spin_lock_init(&state->state_lock); 365 spin_lock_init(&state->state_lock);
364 return state; 366 return state;
365} 367}
@@ -437,21 +439,23 @@ nfs4_get_open_state(struct inode *inode, struct nfs4_state_owner *owner)
437 if (state) 439 if (state)
438 goto out; 440 goto out;
439 new = nfs4_alloc_open_state(); 441 new = nfs4_alloc_open_state();
442 spin_lock(&owner->so_lock);
440 spin_lock(&inode->i_lock); 443 spin_lock(&inode->i_lock);
441 state = __nfs4_find_state_byowner(inode, owner); 444 state = __nfs4_find_state_byowner(inode, owner);
442 if (state == NULL && new != NULL) { 445 if (state == NULL && new != NULL) {
443 state = new; 446 state = new;
444 /* Caller *must* be holding owner->so_sem */
445 /* Note: The reclaim code dictates that we add stateless
446 * and read-only stateids to the end of the list */
447 list_add_tail(&state->open_states, &owner->so_states);
448 state->owner = owner; 447 state->owner = owner;
449 atomic_inc(&owner->so_count); 448 atomic_inc(&owner->so_count);
450 list_add(&state->inode_states, &nfsi->open_states); 449 list_add(&state->inode_states, &nfsi->open_states);
451 state->inode = igrab(inode); 450 state->inode = igrab(inode);
452 spin_unlock(&inode->i_lock); 451 spin_unlock(&inode->i_lock);
452 /* Note: The reclaim code dictates that we add stateless
453 * and read-only stateids to the end of the list */
454 list_add_tail(&state->open_states, &owner->so_states);
455 spin_unlock(&owner->so_lock);
453 } else { 456 } else {
454 spin_unlock(&inode->i_lock); 457 spin_unlock(&inode->i_lock);
458 spin_unlock(&owner->so_lock);
455 if (new) 459 if (new)
456 nfs4_free_open_state(new); 460 nfs4_free_open_state(new);
457 } 461 }
@@ -461,19 +465,21 @@ out:
461 465
462/* 466/*
463 * Beware! Caller must be holding exactly one 467 * Beware! Caller must be holding exactly one
464 * reference to clp->cl_sem and owner->so_sema! 468 * reference to clp->cl_sem!
465 */ 469 */
466void nfs4_put_open_state(struct nfs4_state *state) 470void nfs4_put_open_state(struct nfs4_state *state)
467{ 471{
468 struct inode *inode = state->inode; 472 struct inode *inode = state->inode;
469 struct nfs4_state_owner *owner = state->owner; 473 struct nfs4_state_owner *owner = state->owner;
470 474
471 if (!atomic_dec_and_lock(&state->count, &inode->i_lock)) 475 if (!atomic_dec_and_lock(&state->count, &owner->so_lock))
472 return; 476 return;
477 spin_lock(&inode->i_lock);
473 if (!list_empty(&state->inode_states)) 478 if (!list_empty(&state->inode_states))
474 list_del(&state->inode_states); 479 list_del(&state->inode_states);
475 spin_unlock(&inode->i_lock);
476 list_del(&state->open_states); 480 list_del(&state->open_states);
481 spin_unlock(&inode->i_lock);
482 spin_unlock(&owner->so_lock);
477 iput(inode); 483 iput(inode);
478 BUG_ON (state->state != 0); 484 BUG_ON (state->state != 0);
479 nfs4_free_open_state(state); 485 nfs4_free_open_state(state);
@@ -481,20 +487,17 @@ void nfs4_put_open_state(struct nfs4_state *state)
481} 487}
482 488
483/* 489/*
484 * Beware! Caller must be holding no references to clp->cl_sem! 490 * Close the current file.
485 * of owner->so_sema!
486 */ 491 */
487void nfs4_close_state(struct nfs4_state *state, mode_t mode) 492void nfs4_close_state(struct nfs4_state *state, mode_t mode)
488{ 493{
489 struct inode *inode = state->inode; 494 struct inode *inode = state->inode;
490 struct nfs4_state_owner *owner = state->owner; 495 struct nfs4_state_owner *owner = state->owner;
491 struct nfs4_client *clp = owner->so_client;
492 int newstate; 496 int newstate;
493 497
494 atomic_inc(&owner->so_count); 498 atomic_inc(&owner->so_count);
495 down_read(&clp->cl_sem);
496 down(&owner->so_sema);
497 /* Protect against nfs4_find_state() */ 499 /* Protect against nfs4_find_state() */
500 spin_lock(&owner->so_lock);
498 spin_lock(&inode->i_lock); 501 spin_lock(&inode->i_lock);
499 if (mode & FMODE_READ) 502 if (mode & FMODE_READ)
500 state->nreaders--; 503 state->nreaders--;
@@ -507,6 +510,7 @@ void nfs4_close_state(struct nfs4_state *state, mode_t mode)
507 list_move_tail(&state->open_states, &owner->so_states); 510 list_move_tail(&state->open_states, &owner->so_states);
508 } 511 }
509 spin_unlock(&inode->i_lock); 512 spin_unlock(&inode->i_lock);
513 spin_unlock(&owner->so_lock);
510 newstate = 0; 514 newstate = 0;
511 if (state->state != 0) { 515 if (state->state != 0) {
512 if (state->nreaders) 516 if (state->nreaders)
@@ -515,14 +519,16 @@ void nfs4_close_state(struct nfs4_state *state, mode_t mode)
515 newstate |= FMODE_WRITE; 519 newstate |= FMODE_WRITE;
516 if (state->state == newstate) 520 if (state->state == newstate)
517 goto out; 521 goto out;
518 if (nfs4_do_close(inode, state, newstate) == -EINPROGRESS) 522 if (test_bit(NFS_DELEGATED_STATE, &state->flags)) {
523 state->state = newstate;
524 goto out;
525 }
526 if (nfs4_do_close(inode, state, newstate) == 0)
519 return; 527 return;
520 } 528 }
521out: 529out:
522 nfs4_put_open_state(state); 530 nfs4_put_open_state(state);
523 up(&owner->so_sema);
524 nfs4_put_state_owner(owner); 531 nfs4_put_state_owner(owner);
525 up_read(&clp->cl_sem);
526} 532}
527 533
528/* 534/*
@@ -546,19 +552,16 @@ __nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t fl_owner)
546 * Return a compatible lock_state. If no initialized lock_state structure 552 * Return a compatible lock_state. If no initialized lock_state structure
547 * exists, return an uninitialized one. 553 * exists, return an uninitialized one.
548 * 554 *
549 * The caller must be holding state->lock_sema
550 */ 555 */
551static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner) 556static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner)
552{ 557{
553 struct nfs4_lock_state *lsp; 558 struct nfs4_lock_state *lsp;
554 struct nfs4_client *clp = state->owner->so_client; 559 struct nfs4_client *clp = state->owner->so_client;
555 560
556 lsp = kmalloc(sizeof(*lsp), GFP_KERNEL); 561 lsp = kzalloc(sizeof(*lsp), GFP_KERNEL);
557 if (lsp == NULL) 562 if (lsp == NULL)
558 return NULL; 563 return NULL;
559 lsp->ls_flags = 0; 564 lsp->ls_seqid.sequence = &state->owner->so_sequence;
560 lsp->ls_seqid = 0; /* arbitrary */
561 memset(lsp->ls_stateid.data, 0, sizeof(lsp->ls_stateid.data));
562 atomic_set(&lsp->ls_count, 1); 565 atomic_set(&lsp->ls_count, 1);
563 lsp->ls_owner = fl_owner; 566 lsp->ls_owner = fl_owner;
564 spin_lock(&clp->cl_lock); 567 spin_lock(&clp->cl_lock);
@@ -572,7 +575,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
572 * Return a compatible lock_state. If no initialized lock_state structure 575 * Return a compatible lock_state. If no initialized lock_state structure
573 * exists, return an uninitialized one. 576 * exists, return an uninitialized one.
574 * 577 *
575 * The caller must be holding state->lock_sema and clp->cl_sem 578 * The caller must be holding clp->cl_sem
576 */ 579 */
577static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t owner) 580static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t owner)
578{ 581{
@@ -605,7 +608,7 @@ static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_
605 * Release reference to lock_state, and free it if we see that 608 * Release reference to lock_state, and free it if we see that
606 * it is no longer in use 609 * it is no longer in use
607 */ 610 */
608static void nfs4_put_lock_state(struct nfs4_lock_state *lsp) 611void nfs4_put_lock_state(struct nfs4_lock_state *lsp)
609{ 612{
610 struct nfs4_state *state; 613 struct nfs4_state *state;
611 614
@@ -673,29 +676,94 @@ void nfs4_copy_stateid(nfs4_stateid *dst, struct nfs4_state *state, fl_owner_t f
673 nfs4_put_lock_state(lsp); 676 nfs4_put_lock_state(lsp);
674} 677}
675 678
676/* 679struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter)
677* Called with state->lock_sema and clp->cl_sem held.
678*/
679void nfs4_increment_lock_seqid(int status, struct nfs4_lock_state *lsp)
680{ 680{
681 if (status == NFS_OK || seqid_mutating_err(-status)) 681 struct nfs_seqid *new;
682 lsp->ls_seqid++; 682
683 new = kmalloc(sizeof(*new), GFP_KERNEL);
684 if (new != NULL) {
685 new->sequence = counter;
686 INIT_LIST_HEAD(&new->list);
687 }
688 return new;
689}
690
691void nfs_free_seqid(struct nfs_seqid *seqid)
692{
693 struct rpc_sequence *sequence = seqid->sequence->sequence;
694
695 if (!list_empty(&seqid->list)) {
696 spin_lock(&sequence->lock);
697 list_del(&seqid->list);
698 spin_unlock(&sequence->lock);
699 }
700 rpc_wake_up_next(&sequence->wait);
701 kfree(seqid);
683} 702}
684 703
685/* 704/*
686* Called with sp->so_sema and clp->cl_sem held. 705 * Increment the seqid if the OPEN/OPEN_DOWNGRADE/CLOSE succeeded, or
687* 706 * failed with a seqid incrementing error -
688* Increment the seqid if the OPEN/OPEN_DOWNGRADE/CLOSE succeeded, or 707 * see comments nfs_fs.h:seqid_mutating_error()
689* failed with a seqid incrementing error - 708 */
690* see comments nfs_fs.h:seqid_mutating_error() 709static inline void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
691*/ 710{
692void nfs4_increment_seqid(int status, struct nfs4_state_owner *sp) 711 switch (status) {
693{ 712 case 0:
694 if (status == NFS_OK || seqid_mutating_err(-status)) 713 break;
695 sp->so_seqid++; 714 case -NFS4ERR_BAD_SEQID:
696 /* If the server returns BAD_SEQID, unhash state_owner here */ 715 case -NFS4ERR_STALE_CLIENTID:
697 if (status == -NFS4ERR_BAD_SEQID) 716 case -NFS4ERR_STALE_STATEID:
717 case -NFS4ERR_BAD_STATEID:
718 case -NFS4ERR_BADXDR:
719 case -NFS4ERR_RESOURCE:
720 case -NFS4ERR_NOFILEHANDLE:
721 /* Non-seqid mutating errors */
722 return;
723 };
724 /*
725 * Note: no locking needed as we are guaranteed to be first
726 * on the sequence list
727 */
728 seqid->sequence->counter++;
729}
730
731void nfs_increment_open_seqid(int status, struct nfs_seqid *seqid)
732{
733 if (status == -NFS4ERR_BAD_SEQID) {
734 struct nfs4_state_owner *sp = container_of(seqid->sequence,
735 struct nfs4_state_owner, so_seqid);
698 nfs4_drop_state_owner(sp); 736 nfs4_drop_state_owner(sp);
737 }
738 return nfs_increment_seqid(status, seqid);
739}
740
741/*
742 * Increment the seqid if the LOCK/LOCKU succeeded, or
743 * failed with a seqid incrementing error -
744 * see comments nfs_fs.h:seqid_mutating_error()
745 */
746void nfs_increment_lock_seqid(int status, struct nfs_seqid *seqid)
747{
748 return nfs_increment_seqid(status, seqid);
749}
750
751int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task)
752{
753 struct rpc_sequence *sequence = seqid->sequence->sequence;
754 int status = 0;
755
756 if (sequence->list.next == &seqid->list)
757 goto out;
758 spin_lock(&sequence->lock);
759 if (!list_empty(&sequence->list)) {
760 rpc_sleep_on(&sequence->wait, task, NULL, NULL);
761 status = -EAGAIN;
762 } else
763 list_add(&seqid->list, &sequence->list);
764 spin_unlock(&sequence->lock);
765out:
766 return status;
699} 767}
700 768
701static int reclaimer(void *); 769static int reclaimer(void *);
@@ -791,8 +859,6 @@ static int nfs4_reclaim_open_state(struct nfs4_state_recovery_ops *ops, struct n
791 if (state->state == 0) 859 if (state->state == 0)
792 continue; 860 continue;
793 status = ops->recover_open(sp, state); 861 status = ops->recover_open(sp, state);
794 list_for_each_entry(lock, &state->lock_states, ls_locks)
795 lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
796 if (status >= 0) { 862 if (status >= 0) {
797 status = nfs4_reclaim_locks(ops, state); 863 status = nfs4_reclaim_locks(ops, state);
798 if (status < 0) 864 if (status < 0)
@@ -831,6 +897,28 @@ out_err:
831 return status; 897 return status;
832} 898}
833 899
900static void nfs4_state_mark_reclaim(struct nfs4_client *clp)
901{
902 struct nfs4_state_owner *sp;
903 struct nfs4_state *state;
904 struct nfs4_lock_state *lock;
905
906 /* Reset all sequence ids to zero */
907 list_for_each_entry(sp, &clp->cl_state_owners, so_list) {
908 sp->so_seqid.counter = 0;
909 sp->so_seqid.flags = 0;
910 spin_lock(&sp->so_lock);
911 list_for_each_entry(state, &sp->so_states, open_states) {
912 list_for_each_entry(lock, &state->lock_states, ls_locks) {
913 lock->ls_seqid.counter = 0;
914 lock->ls_seqid.flags = 0;
915 lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
916 }
917 }
918 spin_unlock(&sp->so_lock);
919 }
920}
921
834static int reclaimer(void *ptr) 922static int reclaimer(void *ptr)
835{ 923{
836 struct reclaimer_args *args = (struct reclaimer_args *)ptr; 924 struct reclaimer_args *args = (struct reclaimer_args *)ptr;
@@ -864,6 +952,7 @@ restart_loop:
864 default: 952 default:
865 ops = &nfs4_network_partition_recovery_ops; 953 ops = &nfs4_network_partition_recovery_ops;
866 }; 954 };
955 nfs4_state_mark_reclaim(clp);
867 status = __nfs4_init_client(clp); 956 status = __nfs4_init_client(clp);
868 if (status) 957 if (status)
869 goto out_error; 958 goto out_error;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 6c564ef9489e..fbbace8a30c4 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -95,6 +95,8 @@ static int nfs_stat_to_errno(int);
95#define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) 95#define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
96#define encode_savefh_maxsz (op_encode_hdr_maxsz) 96#define encode_savefh_maxsz (op_encode_hdr_maxsz)
97#define decode_savefh_maxsz (op_decode_hdr_maxsz) 97#define decode_savefh_maxsz (op_decode_hdr_maxsz)
98#define encode_restorefh_maxsz (op_encode_hdr_maxsz)
99#define decode_restorefh_maxsz (op_decode_hdr_maxsz)
98#define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2) 100#define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
99#define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) 101#define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
100#define encode_renew_maxsz (op_encode_hdr_maxsz + 3) 102#define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
@@ -157,16 +159,20 @@ static int nfs_stat_to_errno(int);
157 op_decode_hdr_maxsz + 2) 159 op_decode_hdr_maxsz + 2)
158#define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ 160#define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
159 encode_putfh_maxsz + \ 161 encode_putfh_maxsz + \
160 op_encode_hdr_maxsz + 8) 162 op_encode_hdr_maxsz + 8 + \
163 encode_getattr_maxsz)
161#define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ 164#define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
162 decode_putfh_maxsz + \ 165 decode_putfh_maxsz + \
163 op_decode_hdr_maxsz + 4) 166 op_decode_hdr_maxsz + 4 + \
167 decode_getattr_maxsz)
164#define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ 168#define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
165 encode_putfh_maxsz + \ 169 encode_putfh_maxsz + \
166 op_encode_hdr_maxsz + 3) 170 op_encode_hdr_maxsz + 3 + \
171 encode_getattr_maxsz)
167#define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ 172#define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
168 decode_putfh_maxsz + \ 173 decode_putfh_maxsz + \
169 op_decode_hdr_maxsz + 2) 174 op_decode_hdr_maxsz + 2 + \
175 decode_getattr_maxsz)
170#define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ 176#define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
171 encode_putfh_maxsz + \ 177 encode_putfh_maxsz + \
172 op_encode_hdr_maxsz + \ 178 op_encode_hdr_maxsz + \
@@ -196,17 +202,21 @@ static int nfs_stat_to_errno(int);
196#define NFS4_enc_open_downgrade_sz \ 202#define NFS4_enc_open_downgrade_sz \
197 (compound_encode_hdr_maxsz + \ 203 (compound_encode_hdr_maxsz + \
198 encode_putfh_maxsz + \ 204 encode_putfh_maxsz + \
199 op_encode_hdr_maxsz + 7) 205 op_encode_hdr_maxsz + 7 + \
206 encode_getattr_maxsz)
200#define NFS4_dec_open_downgrade_sz \ 207#define NFS4_dec_open_downgrade_sz \
201 (compound_decode_hdr_maxsz + \ 208 (compound_decode_hdr_maxsz + \
202 decode_putfh_maxsz + \ 209 decode_putfh_maxsz + \
203 op_decode_hdr_maxsz + 4) 210 op_decode_hdr_maxsz + 4 + \
211 decode_getattr_maxsz)
204#define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ 212#define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
205 encode_putfh_maxsz + \ 213 encode_putfh_maxsz + \
206 op_encode_hdr_maxsz + 5) 214 op_encode_hdr_maxsz + 5 + \
215 encode_getattr_maxsz)
207#define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ 216#define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
208 decode_putfh_maxsz + \ 217 decode_putfh_maxsz + \
209 op_decode_hdr_maxsz + 4) 218 op_decode_hdr_maxsz + 4 + \
219 decode_getattr_maxsz)
210#define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ 220#define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
211 encode_putfh_maxsz + \ 221 encode_putfh_maxsz + \
212 op_encode_hdr_maxsz + 4 + \ 222 op_encode_hdr_maxsz + 4 + \
@@ -300,30 +310,44 @@ static int nfs_stat_to_errno(int);
300 decode_getfh_maxsz) 310 decode_getfh_maxsz)
301#define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ 311#define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
302 encode_putfh_maxsz + \ 312 encode_putfh_maxsz + \
303 encode_remove_maxsz) 313 encode_remove_maxsz + \
314 encode_getattr_maxsz)
304#define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ 315#define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
305 decode_putfh_maxsz + \ 316 decode_putfh_maxsz + \
306 op_decode_hdr_maxsz + 5) 317 op_decode_hdr_maxsz + 5 + \
318 decode_getattr_maxsz)
307#define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ 319#define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
308 encode_putfh_maxsz + \ 320 encode_putfh_maxsz + \
309 encode_savefh_maxsz + \ 321 encode_savefh_maxsz + \
310 encode_putfh_maxsz + \ 322 encode_putfh_maxsz + \
311 encode_rename_maxsz) 323 encode_rename_maxsz + \
324 encode_getattr_maxsz + \
325 encode_restorefh_maxsz + \
326 encode_getattr_maxsz)
312#define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ 327#define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
313 decode_putfh_maxsz + \ 328 decode_putfh_maxsz + \
314 decode_savefh_maxsz + \ 329 decode_savefh_maxsz + \
315 decode_putfh_maxsz + \ 330 decode_putfh_maxsz + \
316 decode_rename_maxsz) 331 decode_rename_maxsz + \
332 decode_getattr_maxsz + \
333 decode_restorefh_maxsz + \
334 decode_getattr_maxsz)
317#define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ 335#define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
318 encode_putfh_maxsz + \ 336 encode_putfh_maxsz + \
319 encode_savefh_maxsz + \ 337 encode_savefh_maxsz + \
320 encode_putfh_maxsz + \ 338 encode_putfh_maxsz + \
321 encode_link_maxsz) 339 encode_link_maxsz + \
340 decode_getattr_maxsz + \
341 encode_restorefh_maxsz + \
342 decode_getattr_maxsz)
322#define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ 343#define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
323 decode_putfh_maxsz + \ 344 decode_putfh_maxsz + \
324 decode_savefh_maxsz + \ 345 decode_savefh_maxsz + \
325 decode_putfh_maxsz + \ 346 decode_putfh_maxsz + \
326 decode_link_maxsz) 347 decode_link_maxsz + \
348 decode_getattr_maxsz + \
349 decode_restorefh_maxsz + \
350 decode_getattr_maxsz)
327#define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ 351#define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
328 encode_putfh_maxsz + \ 352 encode_putfh_maxsz + \
329 encode_symlink_maxsz + \ 353 encode_symlink_maxsz + \
@@ -336,14 +360,20 @@ static int nfs_stat_to_errno(int);
336 decode_getfh_maxsz) 360 decode_getfh_maxsz)
337#define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ 361#define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
338 encode_putfh_maxsz + \ 362 encode_putfh_maxsz + \
363 encode_savefh_maxsz + \
339 encode_create_maxsz + \ 364 encode_create_maxsz + \
365 encode_getfh_maxsz + \
340 encode_getattr_maxsz + \ 366 encode_getattr_maxsz + \
341 encode_getfh_maxsz) 367 encode_restorefh_maxsz + \
368 encode_getattr_maxsz)
342#define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ 369#define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
343 decode_putfh_maxsz + \ 370 decode_putfh_maxsz + \
371 decode_savefh_maxsz + \
344 decode_create_maxsz + \ 372 decode_create_maxsz + \
373 decode_getfh_maxsz + \
345 decode_getattr_maxsz + \ 374 decode_getattr_maxsz + \
346 decode_getfh_maxsz) 375 decode_restorefh_maxsz + \
376 decode_getattr_maxsz)
347#define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ 377#define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
348 encode_putfh_maxsz + \ 378 encode_putfh_maxsz + \
349 encode_getattr_maxsz) 379 encode_getattr_maxsz)
@@ -602,10 +632,10 @@ static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
602{ 632{
603 uint32_t *p; 633 uint32_t *p;
604 634
605 RESERVE_SPACE(8+sizeof(arg->stateid.data)); 635 RESERVE_SPACE(8+sizeof(arg->stateid->data));
606 WRITE32(OP_CLOSE); 636 WRITE32(OP_CLOSE);
607 WRITE32(arg->seqid); 637 WRITE32(arg->seqid->sequence->counter);
608 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data)); 638 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
609 639
610 return 0; 640 return 0;
611} 641}
@@ -729,22 +759,18 @@ static int encode_lock(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
729 WRITE64(arg->length); 759 WRITE64(arg->length);
730 WRITE32(opargs->new_lock_owner); 760 WRITE32(opargs->new_lock_owner);
731 if (opargs->new_lock_owner){ 761 if (opargs->new_lock_owner){
732 struct nfs_open_to_lock *ol = opargs->u.open_lock;
733
734 RESERVE_SPACE(40); 762 RESERVE_SPACE(40);
735 WRITE32(ol->open_seqid); 763 WRITE32(opargs->open_seqid->sequence->counter);
736 WRITEMEM(&ol->open_stateid, sizeof(ol->open_stateid)); 764 WRITEMEM(opargs->open_stateid->data, sizeof(opargs->open_stateid->data));
737 WRITE32(ol->lock_seqid); 765 WRITE32(opargs->lock_seqid->sequence->counter);
738 WRITE64(ol->lock_owner.clientid); 766 WRITE64(opargs->lock_owner.clientid);
739 WRITE32(4); 767 WRITE32(4);
740 WRITE32(ol->lock_owner.id); 768 WRITE32(opargs->lock_owner.id);
741 } 769 }
742 else { 770 else {
743 struct nfs_exist_lock *el = opargs->u.exist_lock;
744
745 RESERVE_SPACE(20); 771 RESERVE_SPACE(20);
746 WRITEMEM(&el->stateid, sizeof(el->stateid)); 772 WRITEMEM(opargs->lock_stateid->data, sizeof(opargs->lock_stateid->data));
747 WRITE32(el->seqid); 773 WRITE32(opargs->lock_seqid->sequence->counter);
748 } 774 }
749 775
750 return 0; 776 return 0;
@@ -775,8 +801,8 @@ static int encode_locku(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
775 RESERVE_SPACE(44); 801 RESERVE_SPACE(44);
776 WRITE32(OP_LOCKU); 802 WRITE32(OP_LOCKU);
777 WRITE32(arg->type); 803 WRITE32(arg->type);
778 WRITE32(opargs->seqid); 804 WRITE32(opargs->seqid->sequence->counter);
779 WRITEMEM(&opargs->stateid, sizeof(opargs->stateid)); 805 WRITEMEM(opargs->stateid->data, sizeof(opargs->stateid->data));
780 WRITE64(arg->offset); 806 WRITE64(arg->offset);
781 WRITE64(arg->length); 807 WRITE64(arg->length);
782 808
@@ -826,7 +852,7 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
826 */ 852 */
827 RESERVE_SPACE(8); 853 RESERVE_SPACE(8);
828 WRITE32(OP_OPEN); 854 WRITE32(OP_OPEN);
829 WRITE32(arg->seqid); 855 WRITE32(arg->seqid->sequence->counter);
830 encode_share_access(xdr, arg->open_flags); 856 encode_share_access(xdr, arg->open_flags);
831 RESERVE_SPACE(16); 857 RESERVE_SPACE(16);
832 WRITE64(arg->clientid); 858 WRITE64(arg->clientid);
@@ -941,7 +967,7 @@ static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_con
941 RESERVE_SPACE(8+sizeof(arg->stateid.data)); 967 RESERVE_SPACE(8+sizeof(arg->stateid.data));
942 WRITE32(OP_OPEN_CONFIRM); 968 WRITE32(OP_OPEN_CONFIRM);
943 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data)); 969 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
944 WRITE32(arg->seqid); 970 WRITE32(arg->seqid->sequence->counter);
945 971
946 return 0; 972 return 0;
947} 973}
@@ -950,10 +976,10 @@ static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closea
950{ 976{
951 uint32_t *p; 977 uint32_t *p;
952 978
953 RESERVE_SPACE(8+sizeof(arg->stateid.data)); 979 RESERVE_SPACE(8+sizeof(arg->stateid->data));
954 WRITE32(OP_OPEN_DOWNGRADE); 980 WRITE32(OP_OPEN_DOWNGRADE);
955 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data)); 981 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
956 WRITE32(arg->seqid); 982 WRITE32(arg->seqid->sequence->counter);
957 encode_share_access(xdr, arg->open_flags); 983 encode_share_access(xdr, arg->open_flags);
958 return 0; 984 return 0;
959} 985}
@@ -1117,6 +1143,17 @@ static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client
1117} 1143}
1118 1144
1119static int 1145static int
1146encode_restorefh(struct xdr_stream *xdr)
1147{
1148 uint32_t *p;
1149
1150 RESERVE_SPACE(4);
1151 WRITE32(OP_RESTOREFH);
1152
1153 return 0;
1154}
1155
1156static int
1120encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) 1157encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
1121{ 1158{
1122 uint32_t *p; 1159 uint32_t *p;
@@ -1296,14 +1333,18 @@ static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct n
1296{ 1333{
1297 struct xdr_stream xdr; 1334 struct xdr_stream xdr;
1298 struct compound_hdr hdr = { 1335 struct compound_hdr hdr = {
1299 .nops = 2, 1336 .nops = 3,
1300 }; 1337 };
1301 int status; 1338 int status;
1302 1339
1303 xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1340 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1304 encode_compound_hdr(&xdr, &hdr); 1341 encode_compound_hdr(&xdr, &hdr);
1305 if ((status = encode_putfh(&xdr, args->fh)) == 0) 1342 if ((status = encode_putfh(&xdr, args->fh)) != 0)
1306 status = encode_remove(&xdr, args->name); 1343 goto out;
1344 if ((status = encode_remove(&xdr, args->name)) != 0)
1345 goto out;
1346 status = encode_getfattr(&xdr, args->bitmask);
1347out:
1307 return status; 1348 return status;
1308} 1349}
1309 1350
@@ -1314,7 +1355,7 @@ static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct n
1314{ 1355{
1315 struct xdr_stream xdr; 1356 struct xdr_stream xdr;
1316 struct compound_hdr hdr = { 1357 struct compound_hdr hdr = {
1317 .nops = 4, 1358 .nops = 7,
1318 }; 1359 };
1319 int status; 1360 int status;
1320 1361
@@ -1326,7 +1367,13 @@ static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct n
1326 goto out; 1367 goto out;
1327 if ((status = encode_putfh(&xdr, args->new_dir)) != 0) 1368 if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
1328 goto out; 1369 goto out;
1329 status = encode_rename(&xdr, args->old_name, args->new_name); 1370 if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0)
1371 goto out;
1372 if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
1373 goto out;
1374 if ((status = encode_restorefh(&xdr)) != 0)
1375 goto out;
1376 status = encode_getfattr(&xdr, args->bitmask);
1330out: 1377out:
1331 return status; 1378 return status;
1332} 1379}
@@ -1338,7 +1385,7 @@ static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs
1338{ 1385{
1339 struct xdr_stream xdr; 1386 struct xdr_stream xdr;
1340 struct compound_hdr hdr = { 1387 struct compound_hdr hdr = {
1341 .nops = 4, 1388 .nops = 7,
1342 }; 1389 };
1343 int status; 1390 int status;
1344 1391
@@ -1350,7 +1397,13 @@ static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs
1350 goto out; 1397 goto out;
1351 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 1398 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1352 goto out; 1399 goto out;
1353 status = encode_link(&xdr, args->name); 1400 if ((status = encode_link(&xdr, args->name)) != 0)
1401 goto out;
1402 if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
1403 goto out;
1404 if ((status = encode_restorefh(&xdr)) != 0)
1405 goto out;
1406 status = encode_getfattr(&xdr, args->bitmask);
1354out: 1407out:
1355 return status; 1408 return status;
1356} 1409}
@@ -1362,7 +1415,7 @@ static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct n
1362{ 1415{
1363 struct xdr_stream xdr; 1416 struct xdr_stream xdr;
1364 struct compound_hdr hdr = { 1417 struct compound_hdr hdr = {
1365 .nops = 4, 1418 .nops = 7,
1366 }; 1419 };
1367 int status; 1420 int status;
1368 1421
@@ -1370,10 +1423,16 @@ static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct n
1370 encode_compound_hdr(&xdr, &hdr); 1423 encode_compound_hdr(&xdr, &hdr);
1371 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 1424 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1372 goto out; 1425 goto out;
1426 if ((status = encode_savefh(&xdr)) != 0)
1427 goto out;
1373 if ((status = encode_create(&xdr, args)) != 0) 1428 if ((status = encode_create(&xdr, args)) != 0)
1374 goto out; 1429 goto out;
1375 if ((status = encode_getfh(&xdr)) != 0) 1430 if ((status = encode_getfh(&xdr)) != 0)
1376 goto out; 1431 goto out;
1432 if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
1433 goto out;
1434 if ((status = encode_restorefh(&xdr)) != 0)
1435 goto out;
1377 status = encode_getfattr(&xdr, args->bitmask); 1436 status = encode_getfattr(&xdr, args->bitmask);
1378out: 1437out:
1379 return status; 1438 return status;
@@ -1412,7 +1471,7 @@ static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_clos
1412{ 1471{
1413 struct xdr_stream xdr; 1472 struct xdr_stream xdr;
1414 struct compound_hdr hdr = { 1473 struct compound_hdr hdr = {
1415 .nops = 2, 1474 .nops = 3,
1416 }; 1475 };
1417 int status; 1476 int status;
1418 1477
@@ -1422,6 +1481,9 @@ static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_clos
1422 if(status) 1481 if(status)
1423 goto out; 1482 goto out;
1424 status = encode_close(&xdr, args); 1483 status = encode_close(&xdr, args);
1484 if (status != 0)
1485 goto out;
1486 status = encode_getfattr(&xdr, args->bitmask);
1425out: 1487out:
1426 return status; 1488 return status;
1427} 1489}
@@ -1433,15 +1495,21 @@ static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_opena
1433{ 1495{
1434 struct xdr_stream xdr; 1496 struct xdr_stream xdr;
1435 struct compound_hdr hdr = { 1497 struct compound_hdr hdr = {
1436 .nops = 4, 1498 .nops = 7,
1437 }; 1499 };
1438 int status; 1500 int status;
1439 1501
1502 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1503 if (status != 0)
1504 goto out;
1440 xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1505 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1441 encode_compound_hdr(&xdr, &hdr); 1506 encode_compound_hdr(&xdr, &hdr);
1442 status = encode_putfh(&xdr, args->fh); 1507 status = encode_putfh(&xdr, args->fh);
1443 if (status) 1508 if (status)
1444 goto out; 1509 goto out;
1510 status = encode_savefh(&xdr);
1511 if (status)
1512 goto out;
1445 status = encode_open(&xdr, args); 1513 status = encode_open(&xdr, args);
1446 if (status) 1514 if (status)
1447 goto out; 1515 goto out;
@@ -1449,6 +1517,12 @@ static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_opena
1449 if (status) 1517 if (status)
1450 goto out; 1518 goto out;
1451 status = encode_getfattr(&xdr, args->bitmask); 1519 status = encode_getfattr(&xdr, args->bitmask);
1520 if (status)
1521 goto out;
1522 status = encode_restorefh(&xdr);
1523 if (status)
1524 goto out;
1525 status = encode_getfattr(&xdr, args->bitmask);
1452out: 1526out:
1453 return status; 1527 return status;
1454} 1528}
@@ -1464,6 +1538,9 @@ static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct n
1464 }; 1538 };
1465 int status; 1539 int status;
1466 1540
1541 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1542 if (status != 0)
1543 goto out;
1467 xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1544 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1468 encode_compound_hdr(&xdr, &hdr); 1545 encode_compound_hdr(&xdr, &hdr);
1469 status = encode_putfh(&xdr, args->fh); 1546 status = encode_putfh(&xdr, args->fh);
@@ -1485,6 +1562,9 @@ static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nf
1485 }; 1562 };
1486 int status; 1563 int status;
1487 1564
1565 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1566 if (status != 0)
1567 goto out;
1488 xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1568 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1489 encode_compound_hdr(&xdr, &hdr); 1569 encode_compound_hdr(&xdr, &hdr);
1490 status = encode_putfh(&xdr, args->fh); 1570 status = encode_putfh(&xdr, args->fh);
@@ -1502,7 +1582,7 @@ static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct
1502{ 1582{
1503 struct xdr_stream xdr; 1583 struct xdr_stream xdr;
1504 struct compound_hdr hdr = { 1584 struct compound_hdr hdr = {
1505 .nops = 2, 1585 .nops = 3,
1506 }; 1586 };
1507 int status; 1587 int status;
1508 1588
@@ -1512,6 +1592,9 @@ static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct
1512 if (status) 1592 if (status)
1513 goto out; 1593 goto out;
1514 status = encode_open_downgrade(&xdr, args); 1594 status = encode_open_downgrade(&xdr, args);
1595 if (status != 0)
1596 goto out;
1597 status = encode_getfattr(&xdr, args->bitmask);
1515out: 1598out:
1516 return status; 1599 return status;
1517} 1600}
@@ -1525,8 +1608,15 @@ static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_locka
1525 struct compound_hdr hdr = { 1608 struct compound_hdr hdr = {
1526 .nops = 2, 1609 .nops = 2,
1527 }; 1610 };
1611 struct nfs_lock_opargs *opargs = args->u.lock;
1528 int status; 1612 int status;
1529 1613
1614 status = nfs_wait_on_sequence(opargs->lock_seqid, req->rq_task);
1615 if (status != 0)
1616 goto out;
1617 /* Do we need to do an open_to_lock_owner? */
1618 if (opargs->lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)
1619 opargs->new_lock_owner = 0;
1530 xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1620 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1531 encode_compound_hdr(&xdr, &hdr); 1621 encode_compound_hdr(&xdr, &hdr);
1532 status = encode_putfh(&xdr, args->fh); 1622 status = encode_putfh(&xdr, args->fh);
@@ -1713,7 +1803,7 @@ static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writ
1713{ 1803{
1714 struct xdr_stream xdr; 1804 struct xdr_stream xdr;
1715 struct compound_hdr hdr = { 1805 struct compound_hdr hdr = {
1716 .nops = 2, 1806 .nops = 3,
1717 }; 1807 };
1718 int status; 1808 int status;
1719 1809
@@ -1723,6 +1813,9 @@ static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writ
1723 if (status) 1813 if (status)
1724 goto out; 1814 goto out;
1725 status = encode_write(&xdr, args); 1815 status = encode_write(&xdr, args);
1816 if (status)
1817 goto out;
1818 status = encode_getfattr(&xdr, args->bitmask);
1726out: 1819out:
1727 return status; 1820 return status;
1728} 1821}
@@ -1734,7 +1827,7 @@ static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_wri
1734{ 1827{
1735 struct xdr_stream xdr; 1828 struct xdr_stream xdr;
1736 struct compound_hdr hdr = { 1829 struct compound_hdr hdr = {
1737 .nops = 2, 1830 .nops = 3,
1738 }; 1831 };
1739 int status; 1832 int status;
1740 1833
@@ -1744,6 +1837,9 @@ static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_wri
1744 if (status) 1837 if (status)
1745 goto out; 1838 goto out;
1746 status = encode_commit(&xdr, args); 1839 status = encode_commit(&xdr, args);
1840 if (status)
1841 goto out;
1842 status = encode_getfattr(&xdr, args->bitmask);
1747out: 1843out:
1748 return status; 1844 return status;
1749} 1845}
@@ -2670,8 +2766,7 @@ static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_re
2670 goto xdr_error; 2766 goto xdr_error;
2671 status = verify_attr_len(xdr, savep, attrlen); 2767 status = verify_attr_len(xdr, savep, attrlen);
2672xdr_error: 2768xdr_error:
2673 if (status != 0) 2769 dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
2674 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2675 return status; 2770 return status;
2676} 2771}
2677 2772
@@ -2704,8 +2799,7 @@ static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
2704 2799
2705 status = verify_attr_len(xdr, savep, attrlen); 2800 status = verify_attr_len(xdr, savep, attrlen);
2706xdr_error: 2801xdr_error:
2707 if (status != 0) 2802 dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
2708 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2709 return status; 2803 return status;
2710} 2804}
2711 2805
@@ -2730,8 +2824,7 @@ static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf
2730 2824
2731 status = verify_attr_len(xdr, savep, attrlen); 2825 status = verify_attr_len(xdr, savep, attrlen);
2732xdr_error: 2826xdr_error:
2733 if (status != 0) 2827 dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
2734 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2735 return status; 2828 return status;
2736} 2829}
2737 2830
@@ -2787,13 +2880,10 @@ static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, cons
2787 goto xdr_error; 2880 goto xdr_error;
2788 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) 2881 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
2789 goto xdr_error; 2882 goto xdr_error;
2790 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) { 2883 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0)
2791 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; 2884 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
2792 fattr->timestamp = jiffies;
2793 }
2794xdr_error: 2885xdr_error:
2795 if (status != 0) 2886 dprintk("%s: xdr returned %d\n", __FUNCTION__, -status);
2796 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2797 return status; 2887 return status;
2798} 2888}
2799 2889
@@ -2826,8 +2916,7 @@ static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
2826 2916
2827 status = verify_attr_len(xdr, savep, attrlen); 2917 status = verify_attr_len(xdr, savep, attrlen);
2828xdr_error: 2918xdr_error:
2829 if (status != 0) 2919 dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
2830 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2831 return status; 2920 return status;
2832} 2921}
2833 2922
@@ -2890,8 +2979,8 @@ static int decode_lock(struct xdr_stream *xdr, struct nfs_lockres *res)
2890 2979
2891 status = decode_op_hdr(xdr, OP_LOCK); 2980 status = decode_op_hdr(xdr, OP_LOCK);
2892 if (status == 0) { 2981 if (status == 0) {
2893 READ_BUF(sizeof(nfs4_stateid)); 2982 READ_BUF(sizeof(res->u.stateid.data));
2894 COPYMEM(&res->u.stateid, sizeof(res->u.stateid)); 2983 COPYMEM(res->u.stateid.data, sizeof(res->u.stateid.data));
2895 } else if (status == -NFS4ERR_DENIED) 2984 } else if (status == -NFS4ERR_DENIED)
2896 return decode_lock_denied(xdr, &res->u.denied); 2985 return decode_lock_denied(xdr, &res->u.denied);
2897 return status; 2986 return status;
@@ -2913,8 +3002,8 @@ static int decode_locku(struct xdr_stream *xdr, struct nfs_lockres *res)
2913 3002
2914 status = decode_op_hdr(xdr, OP_LOCKU); 3003 status = decode_op_hdr(xdr, OP_LOCKU);
2915 if (status == 0) { 3004 if (status == 0) {
2916 READ_BUF(sizeof(nfs4_stateid)); 3005 READ_BUF(sizeof(res->u.stateid.data));
2917 COPYMEM(&res->u.stateid, sizeof(res->u.stateid)); 3006 COPYMEM(res->u.stateid.data, sizeof(res->u.stateid.data));
2918 } 3007 }
2919 return status; 3008 return status;
2920} 3009}
@@ -2994,7 +3083,7 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
2994 p += bmlen; 3083 p += bmlen;
2995 return decode_delegation(xdr, res); 3084 return decode_delegation(xdr, res);
2996xdr_error: 3085xdr_error:
2997 printk(KERN_NOTICE "%s: xdr error!\n", __FUNCTION__); 3086 dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen);
2998 return -EIO; 3087 return -EIO;
2999} 3088}
3000 3089
@@ -3208,6 +3297,12 @@ static int decode_renew(struct xdr_stream *xdr)
3208 return decode_op_hdr(xdr, OP_RENEW); 3297 return decode_op_hdr(xdr, OP_RENEW);
3209} 3298}
3210 3299
3300static int
3301decode_restorefh(struct xdr_stream *xdr)
3302{
3303 return decode_op_hdr(xdr, OP_RESTOREFH);
3304}
3305
3211static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, 3306static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
3212 size_t *acl_len) 3307 size_t *acl_len)
3213{ 3308{
@@ -3243,7 +3338,8 @@ static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
3243 if (attrlen <= *acl_len) 3338 if (attrlen <= *acl_len)
3244 xdr_read_pages(xdr, attrlen); 3339 xdr_read_pages(xdr, attrlen);
3245 *acl_len = attrlen; 3340 *acl_len = attrlen;
3246 } 3341 } else
3342 status = -EOPNOTSUPP;
3247 3343
3248out: 3344out:
3249 return status; 3345 return status;
@@ -3352,6 +3448,9 @@ static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, stru
3352 if (status) 3448 if (status)
3353 goto out; 3449 goto out;
3354 status = decode_open_downgrade(&xdr, res); 3450 status = decode_open_downgrade(&xdr, res);
3451 if (status != 0)
3452 goto out;
3453 decode_getfattr(&xdr, res->fattr, res->server);
3355out: 3454out:
3356 return status; 3455 return status;
3357} 3456}
@@ -3424,7 +3523,7 @@ out:
3424/* 3523/*
3425 * Decode REMOVE response 3524 * Decode REMOVE response
3426 */ 3525 */
3427static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo) 3526static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_remove_res *res)
3428{ 3527{
3429 struct xdr_stream xdr; 3528 struct xdr_stream xdr;
3430 struct compound_hdr hdr; 3529 struct compound_hdr hdr;
@@ -3433,8 +3532,11 @@ static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_
3433 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 3532 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3434 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 3533 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3435 goto out; 3534 goto out;
3436 if ((status = decode_putfh(&xdr)) == 0) 3535 if ((status = decode_putfh(&xdr)) != 0)
3437 status = decode_remove(&xdr, cinfo); 3536 goto out;
3537 if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
3538 goto out;
3539 decode_getfattr(&xdr, res->dir_attr, res->server);
3438out: 3540out:
3439 return status; 3541 return status;
3440} 3542}
@@ -3457,7 +3559,14 @@ static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_
3457 goto out; 3559 goto out;
3458 if ((status = decode_putfh(&xdr)) != 0) 3560 if ((status = decode_putfh(&xdr)) != 0)
3459 goto out; 3561 goto out;
3460 status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo); 3562 if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0)
3563 goto out;
3564 /* Current FH is target directory */
3565 if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0)
3566 goto out;
3567 if ((status = decode_restorefh(&xdr)) != 0)
3568 goto out;
3569 decode_getfattr(&xdr, res->old_fattr, res->server);
3461out: 3570out:
3462 return status; 3571 return status;
3463} 3572}
@@ -3465,7 +3574,7 @@ out:
3465/* 3574/*
3466 * Decode LINK response 3575 * Decode LINK response
3467 */ 3576 */
3468static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo) 3577static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_link_res *res)
3469{ 3578{
3470 struct xdr_stream xdr; 3579 struct xdr_stream xdr;
3471 struct compound_hdr hdr; 3580 struct compound_hdr hdr;
@@ -3480,7 +3589,17 @@ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_ch
3480 goto out; 3589 goto out;
3481 if ((status = decode_putfh(&xdr)) != 0) 3590 if ((status = decode_putfh(&xdr)) != 0)
3482 goto out; 3591 goto out;
3483 status = decode_link(&xdr, cinfo); 3592 if ((status = decode_link(&xdr, &res->cinfo)) != 0)
3593 goto out;
3594 /*
3595 * Note order: OP_LINK leaves the directory as the current
3596 * filehandle.
3597 */
3598 if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0)
3599 goto out;
3600 if ((status = decode_restorefh(&xdr)) != 0)
3601 goto out;
3602 decode_getfattr(&xdr, res->fattr, res->server);
3484out: 3603out:
3485 return status; 3604 return status;
3486} 3605}
@@ -3499,13 +3618,17 @@ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_
3499 goto out; 3618 goto out;
3500 if ((status = decode_putfh(&xdr)) != 0) 3619 if ((status = decode_putfh(&xdr)) != 0)
3501 goto out; 3620 goto out;
3621 if ((status = decode_savefh(&xdr)) != 0)
3622 goto out;
3502 if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) 3623 if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0)
3503 goto out; 3624 goto out;
3504 if ((status = decode_getfh(&xdr, res->fh)) != 0) 3625 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3505 goto out; 3626 goto out;
3506 status = decode_getfattr(&xdr, res->fattr, res->server); 3627 if (decode_getfattr(&xdr, res->fattr, res->server) != 0)
3507 if (status == NFS4ERR_DELAY) 3628 goto out;
3508 status = 0; 3629 if ((status = decode_restorefh(&xdr)) != 0)
3630 goto out;
3631 decode_getfattr(&xdr, res->dir_fattr, res->server);
3509out: 3632out:
3510 return status; 3633 return status;
3511} 3634}
@@ -3623,6 +3746,15 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_cl
3623 if (status) 3746 if (status)
3624 goto out; 3747 goto out;
3625 status = decode_close(&xdr, res); 3748 status = decode_close(&xdr, res);
3749 if (status != 0)
3750 goto out;
3751 /*
3752 * Note: Server may do delete on close for this file
3753 * in which case the getattr call will fail with
3754 * an ESTALE error. Shouldn't be a problem,
3755 * though, since fattr->valid will remain unset.
3756 */
3757 decode_getfattr(&xdr, res->fattr, res->server);
3626out: 3758out:
3627 return status; 3759 return status;
3628} 3760}
@@ -3643,15 +3775,20 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_ope
3643 status = decode_putfh(&xdr); 3775 status = decode_putfh(&xdr);
3644 if (status) 3776 if (status)
3645 goto out; 3777 goto out;
3778 status = decode_savefh(&xdr);
3779 if (status)
3780 goto out;
3646 status = decode_open(&xdr, res); 3781 status = decode_open(&xdr, res);
3647 if (status) 3782 if (status)
3648 goto out; 3783 goto out;
3649 status = decode_getfh(&xdr, &res->fh); 3784 status = decode_getfh(&xdr, &res->fh);
3650 if (status) 3785 if (status)
3651 goto out; 3786 goto out;
3652 status = decode_getfattr(&xdr, res->f_attr, res->server); 3787 if (decode_getfattr(&xdr, res->f_attr, res->server) != 0)
3653 if (status == NFS4ERR_DELAY) 3788 goto out;
3654 status = 0; 3789 if ((status = decode_restorefh(&xdr)) != 0)
3790 goto out;
3791 decode_getfattr(&xdr, res->dir_attr, res->server);
3655out: 3792out:
3656 return status; 3793 return status;
3657} 3794}
@@ -3869,6 +4006,9 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_wr
3869 if (status) 4006 if (status)
3870 goto out; 4007 goto out;
3871 status = decode_write(&xdr, res); 4008 status = decode_write(&xdr, res);
4009 if (status)
4010 goto out;
4011 decode_getfattr(&xdr, res->fattr, res->server);
3872 if (!status) 4012 if (!status)
3873 status = res->count; 4013 status = res->count;
3874out: 4014out:
@@ -3892,6 +4032,9 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_w
3892 if (status) 4032 if (status)
3893 goto out; 4033 goto out;
3894 status = decode_commit(&xdr, res); 4034 status = decode_commit(&xdr, res);
4035 if (status)
4036 goto out;
4037 decode_getfattr(&xdr, res->fattr, res->server);
3895out: 4038out:
3896 return status; 4039 return status;
3897} 4040}
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index be23c3fb9260..a48a003242c0 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -61,7 +61,7 @@ nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
61 int status; 61 int status;
62 62
63 dprintk("%s: call getattr\n", __FUNCTION__); 63 dprintk("%s: call getattr\n", __FUNCTION__);
64 fattr->valid = 0; 64 nfs_fattr_init(fattr);
65 status = rpc_call(server->client_sys, NFSPROC_GETATTR, fhandle, fattr, 0); 65 status = rpc_call(server->client_sys, NFSPROC_GETATTR, fhandle, fattr, 0);
66 dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 66 dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
67 if (status) 67 if (status)
@@ -93,7 +93,7 @@ nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
93 int status; 93 int status;
94 94
95 dprintk("NFS call getattr\n"); 95 dprintk("NFS call getattr\n");
96 fattr->valid = 0; 96 nfs_fattr_init(fattr);
97 status = rpc_call(server->client, NFSPROC_GETATTR, 97 status = rpc_call(server->client, NFSPROC_GETATTR,
98 fhandle, fattr, 0); 98 fhandle, fattr, 0);
99 dprintk("NFS reply getattr: %d\n", status); 99 dprintk("NFS reply getattr: %d\n", status);
@@ -112,7 +112,7 @@ nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
112 int status; 112 int status;
113 113
114 dprintk("NFS call setattr\n"); 114 dprintk("NFS call setattr\n");
115 fattr->valid = 0; 115 nfs_fattr_init(fattr);
116 status = rpc_call(NFS_CLIENT(inode), NFSPROC_SETATTR, &arg, fattr, 0); 116 status = rpc_call(NFS_CLIENT(inode), NFSPROC_SETATTR, &arg, fattr, 0);
117 if (status == 0) 117 if (status == 0)
118 nfs_setattr_update_inode(inode, sattr); 118 nfs_setattr_update_inode(inode, sattr);
@@ -136,7 +136,7 @@ nfs_proc_lookup(struct inode *dir, struct qstr *name,
136 int status; 136 int status;
137 137
138 dprintk("NFS call lookup %s\n", name->name); 138 dprintk("NFS call lookup %s\n", name->name);
139 fattr->valid = 0; 139 nfs_fattr_init(fattr);
140 status = rpc_call(NFS_CLIENT(dir), NFSPROC_LOOKUP, &arg, &res, 0); 140 status = rpc_call(NFS_CLIENT(dir), NFSPROC_LOOKUP, &arg, &res, 0);
141 dprintk("NFS reply lookup: %d\n", status); 141 dprintk("NFS reply lookup: %d\n", status);
142 return status; 142 return status;
@@ -174,7 +174,7 @@ static int nfs_proc_read(struct nfs_read_data *rdata)
174 174
175 dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 175 dprintk("NFS call read %d @ %Ld\n", rdata->args.count,
176 (long long) rdata->args.offset); 176 (long long) rdata->args.offset);
177 fattr->valid = 0; 177 nfs_fattr_init(fattr);
178 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 178 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
179 if (status >= 0) { 179 if (status >= 0) {
180 nfs_refresh_inode(inode, fattr); 180 nfs_refresh_inode(inode, fattr);
@@ -203,10 +203,10 @@ static int nfs_proc_write(struct nfs_write_data *wdata)
203 203
204 dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 204 dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
205 (long long) wdata->args.offset); 205 (long long) wdata->args.offset);
206 fattr->valid = 0; 206 nfs_fattr_init(fattr);
207 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 207 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
208 if (status >= 0) { 208 if (status >= 0) {
209 nfs_refresh_inode(inode, fattr); 209 nfs_post_op_update_inode(inode, fattr);
210 wdata->res.count = wdata->args.count; 210 wdata->res.count = wdata->args.count;
211 wdata->verf.committed = NFS_FILE_SYNC; 211 wdata->verf.committed = NFS_FILE_SYNC;
212 } 212 }
@@ -216,7 +216,7 @@ static int nfs_proc_write(struct nfs_write_data *wdata)
216 216
217static int 217static int
218nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 218nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
219 int flags) 219 int flags, struct nameidata *nd)
220{ 220{
221 struct nfs_fh fhandle; 221 struct nfs_fh fhandle;
222 struct nfs_fattr fattr; 222 struct nfs_fattr fattr;
@@ -232,7 +232,7 @@ nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
232 }; 232 };
233 int status; 233 int status;
234 234
235 fattr.valid = 0; 235 nfs_fattr_init(&fattr);
236 dprintk("NFS call create %s\n", dentry->d_name.name); 236 dprintk("NFS call create %s\n", dentry->d_name.name);
237 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0); 237 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0);
238 if (status == 0) 238 if (status == 0)
@@ -273,12 +273,13 @@ nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
273 sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 273 sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */
274 } 274 }
275 275
276 fattr.valid = 0; 276 nfs_fattr_init(&fattr);
277 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0); 277 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0);
278 nfs_mark_for_revalidate(dir);
278 279
279 if (status == -EINVAL && S_ISFIFO(mode)) { 280 if (status == -EINVAL && S_ISFIFO(mode)) {
280 sattr->ia_mode = mode; 281 sattr->ia_mode = mode;
281 fattr.valid = 0; 282 nfs_fattr_init(&fattr);
282 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0); 283 status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0);
283 } 284 }
284 if (status == 0) 285 if (status == 0)
@@ -305,6 +306,7 @@ nfs_proc_remove(struct inode *dir, struct qstr *name)
305 306
306 dprintk("NFS call remove %s\n", name->name); 307 dprintk("NFS call remove %s\n", name->name);
307 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 308 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
309 nfs_mark_for_revalidate(dir);
308 310
309 dprintk("NFS reply remove: %d\n", status); 311 dprintk("NFS reply remove: %d\n", status);
310 return status; 312 return status;
@@ -331,8 +333,10 @@ nfs_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
331{ 333{
332 struct rpc_message *msg = &task->tk_msg; 334 struct rpc_message *msg = &task->tk_msg;
333 335
334 if (msg->rpc_argp) 336 if (msg->rpc_argp) {
337 nfs_mark_for_revalidate(dir->d_inode);
335 kfree(msg->rpc_argp); 338 kfree(msg->rpc_argp);
339 }
336 return 0; 340 return 0;
337} 341}
338 342
@@ -352,6 +356,8 @@ nfs_proc_rename(struct inode *old_dir, struct qstr *old_name,
352 356
353 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 357 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
354 status = rpc_call(NFS_CLIENT(old_dir), NFSPROC_RENAME, &arg, NULL, 0); 358 status = rpc_call(NFS_CLIENT(old_dir), NFSPROC_RENAME, &arg, NULL, 0);
359 nfs_mark_for_revalidate(old_dir);
360 nfs_mark_for_revalidate(new_dir);
355 dprintk("NFS reply rename: %d\n", status); 361 dprintk("NFS reply rename: %d\n", status);
356 return status; 362 return status;
357} 363}
@@ -369,6 +375,7 @@ nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
369 375
370 dprintk("NFS call link %s\n", name->name); 376 dprintk("NFS call link %s\n", name->name);
371 status = rpc_call(NFS_CLIENT(inode), NFSPROC_LINK, &arg, NULL, 0); 377 status = rpc_call(NFS_CLIENT(inode), NFSPROC_LINK, &arg, NULL, 0);
378 nfs_mark_for_revalidate(dir);
372 dprintk("NFS reply link: %d\n", status); 379 dprintk("NFS reply link: %d\n", status);
373 return status; 380 return status;
374} 381}
@@ -391,9 +398,10 @@ nfs_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path,
391 if (path->len > NFS2_MAXPATHLEN) 398 if (path->len > NFS2_MAXPATHLEN)
392 return -ENAMETOOLONG; 399 return -ENAMETOOLONG;
393 dprintk("NFS call symlink %s -> %s\n", name->name, path->name); 400 dprintk("NFS call symlink %s -> %s\n", name->name, path->name);
394 fattr->valid = 0; 401 nfs_fattr_init(fattr);
395 fhandle->size = 0; 402 fhandle->size = 0;
396 status = rpc_call(NFS_CLIENT(dir), NFSPROC_SYMLINK, &arg, NULL, 0); 403 status = rpc_call(NFS_CLIENT(dir), NFSPROC_SYMLINK, &arg, NULL, 0);
404 nfs_mark_for_revalidate(dir);
397 dprintk("NFS reply symlink: %d\n", status); 405 dprintk("NFS reply symlink: %d\n", status);
398 return status; 406 return status;
399} 407}
@@ -416,8 +424,9 @@ nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
416 int status; 424 int status;
417 425
418 dprintk("NFS call mkdir %s\n", dentry->d_name.name); 426 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
419 fattr.valid = 0; 427 nfs_fattr_init(&fattr);
420 status = rpc_call(NFS_CLIENT(dir), NFSPROC_MKDIR, &arg, &res, 0); 428 status = rpc_call(NFS_CLIENT(dir), NFSPROC_MKDIR, &arg, &res, 0);
429 nfs_mark_for_revalidate(dir);
421 if (status == 0) 430 if (status == 0)
422 status = nfs_instantiate(dentry, &fhandle, &fattr); 431 status = nfs_instantiate(dentry, &fhandle, &fattr);
423 dprintk("NFS reply mkdir: %d\n", status); 432 dprintk("NFS reply mkdir: %d\n", status);
@@ -436,6 +445,7 @@ nfs_proc_rmdir(struct inode *dir, struct qstr *name)
436 445
437 dprintk("NFS call rmdir %s\n", name->name); 446 dprintk("NFS call rmdir %s\n", name->name);
438 status = rpc_call(NFS_CLIENT(dir), NFSPROC_RMDIR, &arg, NULL, 0); 447 status = rpc_call(NFS_CLIENT(dir), NFSPROC_RMDIR, &arg, NULL, 0);
448 nfs_mark_for_revalidate(dir);
439 dprintk("NFS reply rmdir: %d\n", status); 449 dprintk("NFS reply rmdir: %d\n", status);
440 return status; 450 return status;
441} 451}
@@ -484,7 +494,7 @@ nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
484 int status; 494 int status;
485 495
486 dprintk("NFS call statfs\n"); 496 dprintk("NFS call statfs\n");
487 stat->fattr->valid = 0; 497 nfs_fattr_init(stat->fattr);
488 status = rpc_call(server->client, NFSPROC_STATFS, fhandle, &fsinfo, 0); 498 status = rpc_call(server->client, NFSPROC_STATFS, fhandle, &fsinfo, 0);
489 dprintk("NFS reply statfs: %d\n", status); 499 dprintk("NFS reply statfs: %d\n", status);
490 if (status) 500 if (status)
@@ -507,7 +517,7 @@ nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
507 int status; 517 int status;
508 518
509 dprintk("NFS call fsinfo\n"); 519 dprintk("NFS call fsinfo\n");
510 info->fattr->valid = 0; 520 nfs_fattr_init(info->fattr);
511 status = rpc_call(server->client, NFSPROC_STATFS, fhandle, &fsinfo, 0); 521 status = rpc_call(server->client, NFSPROC_STATFS, fhandle, &fsinfo, 0);
512 dprintk("NFS reply fsinfo: %d\n", status); 522 dprintk("NFS reply fsinfo: %d\n", status);
513 if (status) 523 if (status)
@@ -579,7 +589,7 @@ nfs_write_done(struct rpc_task *task)
579 struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata; 589 struct nfs_write_data *data = (struct nfs_write_data *) task->tk_calldata;
580 590
581 if (task->tk_status >= 0) 591 if (task->tk_status >= 0)
582 nfs_refresh_inode(data->inode, data->res.fattr); 592 nfs_post_op_update_inode(data->inode, data->res.fattr);
583 nfs_writeback_done(task); 593 nfs_writeback_done(task);
584} 594}
585 595
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 9758ebd49905..43b03b19731b 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -215,6 +215,7 @@ static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
215 data->res.fattr = &data->fattr; 215 data->res.fattr = &data->fattr;
216 data->res.count = count; 216 data->res.count = count;
217 data->res.eof = 0; 217 data->res.eof = 0;
218 nfs_fattr_init(&data->fattr);
218 219
219 NFS_PROTO(inode)->read_setup(data); 220 NFS_PROTO(inode)->read_setup(data);
220 221
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 5130eda231d7..819a65f5071f 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -870,6 +870,7 @@ static void nfs_write_rpcsetup(struct nfs_page *req,
870 data->res.fattr = &data->fattr; 870 data->res.fattr = &data->fattr;
871 data->res.count = count; 871 data->res.count = count;
872 data->res.verf = &data->verf; 872 data->res.verf = &data->verf;
873 nfs_fattr_init(&data->fattr);
873 874
874 NFS_PROTO(inode)->write_setup(data, how); 875 NFS_PROTO(inode)->write_setup(data, how);
875 876
@@ -1237,6 +1238,7 @@ static void nfs_commit_rpcsetup(struct list_head *head,
1237 data->res.count = 0; 1238 data->res.count = 0;
1238 data->res.fattr = &data->fattr; 1239 data->res.fattr = &data->fattr;
1239 data->res.verf = &data->verf; 1240 data->res.verf = &data->verf;
1241 nfs_fattr_init(&data->fattr);
1240 1242
1241 NFS_PROTO(inode)->commit_setup(data, how); 1243 NFS_PROTO(inode)->commit_setup(data, how);
1242 1244
diff --git a/fs/open.c b/fs/open.c
index f0d90cf0495c..8d06ec911fd9 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -739,7 +739,8 @@ asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
739} 739}
740 740
741static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt, 741static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
742 int flags, struct file *f) 742 int flags, struct file *f,
743 int (*open)(struct inode *, struct file *))
743{ 744{
744 struct inode *inode; 745 struct inode *inode;
745 int error; 746 int error;
@@ -761,11 +762,14 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
761 f->f_op = fops_get(inode->i_fop); 762 f->f_op = fops_get(inode->i_fop);
762 file_move(f, &inode->i_sb->s_files); 763 file_move(f, &inode->i_sb->s_files);
763 764
764 if (f->f_op && f->f_op->open) { 765 if (!open && f->f_op)
765 error = f->f_op->open(inode,f); 766 open = f->f_op->open;
767 if (open) {
768 error = open(inode, f);
766 if (error) 769 if (error)
767 goto cleanup_all; 770 goto cleanup_all;
768 } 771 }
772
769 f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC); 773 f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC);
770 774
771 file_ra_state_init(&f->f_ra, f->f_mapping->host->i_mapping); 775 file_ra_state_init(&f->f_ra, f->f_mapping->host->i_mapping);
@@ -814,28 +818,75 @@ struct file *filp_open(const char * filename, int flags, int mode)
814{ 818{
815 int namei_flags, error; 819 int namei_flags, error;
816 struct nameidata nd; 820 struct nameidata nd;
817 struct file *f;
818 821
819 namei_flags = flags; 822 namei_flags = flags;
820 if ((namei_flags+1) & O_ACCMODE) 823 if ((namei_flags+1) & O_ACCMODE)
821 namei_flags++; 824 namei_flags++;
822 if (namei_flags & O_TRUNC)
823 namei_flags |= 2;
824
825 error = -ENFILE;
826 f = get_empty_filp();
827 if (f == NULL)
828 return ERR_PTR(error);
829 825
830 error = open_namei(filename, namei_flags, mode, &nd); 826 error = open_namei(filename, namei_flags, mode, &nd);
831 if (!error) 827 if (!error)
832 return __dentry_open(nd.dentry, nd.mnt, flags, f); 828 return nameidata_to_filp(&nd, flags);
833 829
834 put_filp(f);
835 return ERR_PTR(error); 830 return ERR_PTR(error);
836} 831}
837EXPORT_SYMBOL(filp_open); 832EXPORT_SYMBOL(filp_open);
838 833
834/**
835 * lookup_instantiate_filp - instantiates the open intent filp
836 * @nd: pointer to nameidata
837 * @dentry: pointer to dentry
838 * @open: open callback
839 *
840 * Helper for filesystems that want to use lookup open intents and pass back
841 * a fully instantiated struct file to the caller.
842 * This function is meant to be called from within a filesystem's
843 * lookup method.
844 * Note that in case of error, nd->intent.open.file is destroyed, but the
845 * path information remains valid.
846 * If the open callback is set to NULL, then the standard f_op->open()
847 * filesystem callback is substituted.
848 */
849struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
850 int (*open)(struct inode *, struct file *))
851{
852 if (IS_ERR(nd->intent.open.file))
853 goto out;
854 if (IS_ERR(dentry))
855 goto out_err;
856 nd->intent.open.file = __dentry_open(dget(dentry), mntget(nd->mnt),
857 nd->intent.open.flags - 1,
858 nd->intent.open.file,
859 open);
860out:
861 return nd->intent.open.file;
862out_err:
863 release_open_intent(nd);
864 nd->intent.open.file = (struct file *)dentry;
865 goto out;
866}
867EXPORT_SYMBOL_GPL(lookup_instantiate_filp);
868
869/**
870 * nameidata_to_filp - convert a nameidata to an open filp.
871 * @nd: pointer to nameidata
872 * @flags: open flags
873 *
874 * Note that this function destroys the original nameidata
875 */
876struct file *nameidata_to_filp(struct nameidata *nd, int flags)
877{
878 struct file *filp;
879
880 /* Pick up the filp from the open intent */
881 filp = nd->intent.open.file;
882 /* Has the filesystem initialised the file for us? */
883 if (filp->f_dentry == NULL)
884 filp = __dentry_open(nd->dentry, nd->mnt, flags, filp, NULL);
885 else
886 path_release(nd);
887 return filp;
888}
889
839struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags) 890struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
840{ 891{
841 int error; 892 int error;
@@ -846,7 +897,7 @@ struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
846 if (f == NULL) 897 if (f == NULL)
847 return ERR_PTR(error); 898 return ERR_PTR(error);
848 899
849 return __dentry_open(dentry, mnt, flags, f); 900 return __dentry_open(dentry, mnt, flags, f, NULL);
850} 901}
851EXPORT_SYMBOL(dentry_open); 902EXPORT_SYMBOL(dentry_open);
852 903
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 2706e2adffab..45829889dcdc 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -2022,7 +2022,7 @@ static int get_neighbors(struct tree_balance *p_s_tb, int n_h)
2022} 2022}
2023 2023
2024#ifdef CONFIG_REISERFS_CHECK 2024#ifdef CONFIG_REISERFS_CHECK
2025void *reiserfs_kmalloc(size_t size, int flags, struct super_block *s) 2025void *reiserfs_kmalloc(size_t size, gfp_t flags, struct super_block *s)
2026{ 2026{
2027 void *vp; 2027 void *vp;
2028 static size_t malloced; 2028 static size_t malloced;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index d76ee6c4f9b8..5f82352b97e1 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2842,7 +2842,7 @@ static int reiserfs_set_page_dirty(struct page *page)
2842 * even in -o notail mode, we can't be sure an old mount without -o notail 2842 * even in -o notail mode, we can't be sure an old mount without -o notail
2843 * didn't create files with tails. 2843 * didn't create files with tails.
2844 */ 2844 */
2845static int reiserfs_releasepage(struct page *page, int unused_gfp_flags) 2845static int reiserfs_releasepage(struct page *page, gfp_t unused_gfp_flags)
2846{ 2846{
2847 struct inode *inode = page->mapping->host; 2847 struct inode *inode = page->mapping->host;
2848 struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb); 2848 struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 87ac9dc8b381..72e120798677 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -453,7 +453,7 @@ static struct page *reiserfs_get_page(struct inode *dir, unsigned long n)
453 struct page *page; 453 struct page *page;
454 /* We can deadlock if we try to free dentries, 454 /* We can deadlock if we try to free dentries,
455 and an unlink/rmdir has just occured - GFP_NOFS avoids this */ 455 and an unlink/rmdir has just occured - GFP_NOFS avoids this */
456 mapping->flags = (mapping->flags & ~__GFP_BITS_MASK) | GFP_NOFS; 456 mapping_set_gfp_mask(mapping, GFP_NOFS);
457 page = read_cache_page(mapping, n, 457 page = read_cache_page(mapping, n,
458 (filler_t *) mapping->a_ops->readpage, NULL); 458 (filler_t *) mapping->a_ops->readpage, NULL);
459 if (!IS_ERR(page)) { 459 if (!IS_ERR(page)) {
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index d2653b589b1c..3c92162dc728 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -45,11 +45,11 @@
45 45
46 46
47void * 47void *
48kmem_alloc(size_t size, gfp_t flags) 48kmem_alloc(size_t size, unsigned int __nocast flags)
49{ 49{
50 int retries = 0; 50 int retries = 0;
51 unsigned int lflags = kmem_flags_convert(flags); 51 gfp_t lflags = kmem_flags_convert(flags);
52 void *ptr; 52 void *ptr;
53 53
54 do { 54 do {
55 if (size < MAX_SLAB_SIZE || retries > MAX_VMALLOCS) 55 if (size < MAX_SLAB_SIZE || retries > MAX_VMALLOCS)
@@ -67,7 +67,7 @@ kmem_alloc(size_t size, gfp_t flags)
67} 67}
68 68
69void * 69void *
70kmem_zalloc(size_t size, gfp_t flags) 70kmem_zalloc(size_t size, unsigned int __nocast flags)
71{ 71{
72 void *ptr; 72 void *ptr;
73 73
@@ -90,7 +90,7 @@ kmem_free(void *ptr, size_t size)
90 90
91void * 91void *
92kmem_realloc(void *ptr, size_t newsize, size_t oldsize, 92kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
93 gfp_t flags) 93 unsigned int __nocast flags)
94{ 94{
95 void *new; 95 void *new;
96 96
@@ -105,11 +105,11 @@ kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
105} 105}
106 106
107void * 107void *
108kmem_zone_alloc(kmem_zone_t *zone, gfp_t flags) 108kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
109{ 109{
110 int retries = 0; 110 int retries = 0;
111 unsigned int lflags = kmem_flags_convert(flags); 111 gfp_t lflags = kmem_flags_convert(flags);
112 void *ptr; 112 void *ptr;
113 113
114 do { 114 do {
115 ptr = kmem_cache_alloc(zone, lflags); 115 ptr = kmem_cache_alloc(zone, lflags);
@@ -124,7 +124,7 @@ kmem_zone_alloc(kmem_zone_t *zone, gfp_t flags)
124} 124}
125 125
126void * 126void *
127kmem_zone_zalloc(kmem_zone_t *zone, gfp_t flags) 127kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags)
128{ 128{
129 void *ptr; 129 void *ptr;
130 130
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index ee7010f085bc..f4bb78c268c0 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -81,9 +81,9 @@ typedef unsigned long xfs_pflags_t;
81 *(NSTATEP) = *(OSTATEP); \ 81 *(NSTATEP) = *(OSTATEP); \
82} while (0) 82} while (0)
83 83
84static __inline unsigned int kmem_flags_convert(gfp_t flags) 84static __inline gfp_t kmem_flags_convert(unsigned int __nocast flags)
85{ 85{
86 unsigned int lflags = __GFP_NOWARN; /* we'll report problems, if need be */ 86 gfp_t lflags = __GFP_NOWARN; /* we'll report problems, if need be */
87 87
88#ifdef DEBUG 88#ifdef DEBUG
89 if (unlikely(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL))) { 89 if (unlikely(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL))) {
@@ -125,16 +125,16 @@ kmem_zone_destroy(kmem_zone_t *zone)
125 BUG(); 125 BUG();
126} 126}
127 127
128extern void *kmem_zone_zalloc(kmem_zone_t *, gfp_t); 128extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
129extern void *kmem_zone_alloc(kmem_zone_t *, gfp_t); 129extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
130 130
131extern void *kmem_alloc(size_t, gfp_t); 131extern void *kmem_alloc(size_t, unsigned int __nocast);
132extern void *kmem_realloc(void *, size_t, size_t, gfp_t); 132extern void *kmem_realloc(void *, size_t, size_t, unsigned int __nocast);
133extern void *kmem_zalloc(size_t, gfp_t); 133extern void *kmem_zalloc(size_t, unsigned int __nocast);
134extern void kmem_free(void *, size_t); 134extern void kmem_free(void *, size_t);
135 135
136typedef struct shrinker *kmem_shaker_t; 136typedef struct shrinker *kmem_shaker_t;
137typedef int (*kmem_shake_func_t)(int, unsigned int); 137typedef int (*kmem_shake_func_t)(int, gfp_t);
138 138
139static __inline kmem_shaker_t 139static __inline kmem_shaker_t
140kmem_shake_register(kmem_shake_func_t sfunc) 140kmem_shake_register(kmem_shake_func_t sfunc)
@@ -149,7 +149,7 @@ kmem_shake_deregister(kmem_shaker_t shrinker)
149} 149}
150 150
151static __inline int 151static __inline int
152kmem_shake_allow(unsigned int gfp_mask) 152kmem_shake_allow(gfp_t gfp_mask)
153{ 153{
154 return (gfp_mask & __GFP_WAIT); 154 return (gfp_mask & __GFP_WAIT);
155} 155}
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c6c077978fe3..7aa398724706 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1296,7 +1296,7 @@ linvfs_invalidate_page(
1296STATIC int 1296STATIC int
1297linvfs_release_page( 1297linvfs_release_page(
1298 struct page *page, 1298 struct page *page,
1299 int gfp_mask) 1299 gfp_t gfp_mask)
1300{ 1300{
1301 struct inode *inode = page->mapping->host; 1301 struct inode *inode = page->mapping->host;
1302 int dirty, delalloc, unmapped, unwritten; 1302 int dirty, delalloc, unmapped, unwritten;
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e82cf72ac599..ba4767c04adf 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -64,7 +64,7 @@
64 64
65STATIC kmem_cache_t *pagebuf_zone; 65STATIC kmem_cache_t *pagebuf_zone;
66STATIC kmem_shaker_t pagebuf_shake; 66STATIC kmem_shaker_t pagebuf_shake;
67STATIC int xfsbufd_wakeup(int, unsigned int); 67STATIC int xfsbufd_wakeup(int, gfp_t);
68STATIC void pagebuf_delwri_queue(xfs_buf_t *, int); 68STATIC void pagebuf_delwri_queue(xfs_buf_t *, int);
69 69
70STATIC struct workqueue_struct *xfslogd_workqueue; 70STATIC struct workqueue_struct *xfslogd_workqueue;
@@ -383,7 +383,7 @@ _pagebuf_lookup_pages(
383 size_t blocksize = bp->pb_target->pbr_bsize; 383 size_t blocksize = bp->pb_target->pbr_bsize;
384 size_t size = bp->pb_count_desired; 384 size_t size = bp->pb_count_desired;
385 size_t nbytes, offset; 385 size_t nbytes, offset;
386 int gfp_mask = pb_to_gfp(flags); 386 gfp_t gfp_mask = pb_to_gfp(flags);
387 unsigned short page_count, i; 387 unsigned short page_count, i;
388 pgoff_t first; 388 pgoff_t first;
389 loff_t end; 389 loff_t end;
@@ -1749,8 +1749,8 @@ STATIC int xfsbufd_force_sleep;
1749 1749
1750STATIC int 1750STATIC int
1751xfsbufd_wakeup( 1751xfsbufd_wakeup(
1752 int priority, 1752 int priority,
1753 unsigned int mask) 1753 gfp_t mask)
1754{ 1754{
1755 if (xfsbufd_force_sleep) 1755 if (xfsbufd_force_sleep)
1756 return 0; 1756 return 0;
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 00:33:14 -0500