aboutsummaryrefslogtreecommitdiffstats
path: root/fs/nfs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/callback.c31
-rw-r--r--fs/nfs/callback.h1
-rw-r--r--fs/nfs/client.c116
-rw-r--r--fs/nfs/dir.c9
-rw-r--r--fs/nfs/file.c37
-rw-r--r--fs/nfs/getroot.c4
-rw-r--r--fs/nfs/inode.c309
-rw-r--r--fs/nfs/internal.h4
-rw-r--r--fs/nfs/nfs2xdr.c9
-rw-r--r--fs/nfs/nfs3proc.c1
-rw-r--r--fs/nfs/nfs3xdr.c37
-rw-r--r--fs/nfs/nfs4proc.c47
-rw-r--r--fs/nfs/nfs4state.c10
-rw-r--r--fs/nfs/nfs4xdr.c213
-rw-r--r--fs/nfs/pagelist.c11
-rw-r--r--fs/nfs/proc.c1
-rw-r--r--fs/nfs/super.c4
-rw-r--r--fs/nfs/write.c53
18 files changed, 553 insertions, 344 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 3e634f2a1083..a886e692ddd0 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -38,19 +38,10 @@ static struct svc_program nfs4_callback_program;
38 38
39unsigned int nfs_callback_set_tcpport; 39unsigned int nfs_callback_set_tcpport;
40unsigned short nfs_callback_tcpport; 40unsigned short nfs_callback_tcpport;
41unsigned short nfs_callback_tcpport6;
41static const int nfs_set_port_min = 0; 42static const int nfs_set_port_min = 0;
42static const int nfs_set_port_max = 65535; 43static const int nfs_set_port_max = 65535;
43 44
44/*
45 * If the kernel has IPv6 support available, always listen for
46 * both AF_INET and AF_INET6 requests.
47 */
48#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
49static const sa_family_t nfs_callback_family = AF_INET6;
50#else
51static const sa_family_t nfs_callback_family = AF_INET;
52#endif
53
54static int param_set_port(const char *val, struct kernel_param *kp) 45static int param_set_port(const char *val, struct kernel_param *kp)
55{ 46{
56 char *endp; 47 char *endp;
@@ -116,19 +107,29 @@ int nfs_callback_up(void)
116 mutex_lock(&nfs_callback_mutex); 107 mutex_lock(&nfs_callback_mutex);
117 if (nfs_callback_info.users++ || nfs_callback_info.task != NULL) 108 if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
118 goto out; 109 goto out;
119 serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, 110 serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, NULL);
120 nfs_callback_family, NULL);
121 ret = -ENOMEM; 111 ret = -ENOMEM;
122 if (!serv) 112 if (!serv)
123 goto out_err; 113 goto out_err;
124 114
125 ret = svc_create_xprt(serv, "tcp", nfs_callback_set_tcpport, 115 ret = svc_create_xprt(serv, "tcp", PF_INET,
126 SVC_SOCK_ANONYMOUS); 116 nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
127 if (ret <= 0) 117 if (ret <= 0)
128 goto out_err; 118 goto out_err;
129 nfs_callback_tcpport = ret; 119 nfs_callback_tcpport = ret;
130 dprintk("NFS: Callback listener port = %u (af %u)\n", 120 dprintk("NFS: Callback listener port = %u (af %u)\n",
131 nfs_callback_tcpport, nfs_callback_family); 121 nfs_callback_tcpport, PF_INET);
122
123#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
124 ret = svc_create_xprt(serv, "tcp", PF_INET6,
125 nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
126 if (ret > 0) {
127 nfs_callback_tcpport6 = ret;
128 dprintk("NFS: Callback listener port = %u (af %u)\n",
129 nfs_callback_tcpport6, PF_INET6);
130 } else if (ret != -EAFNOSUPPORT)
131 goto out_err;
132#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
132 133
133 nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]); 134 nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]);
134 if (IS_ERR(nfs_callback_info.rqst)) { 135 if (IS_ERR(nfs_callback_info.rqst)) {
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index bb25d2135ff1..e110e286a262 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -72,5 +72,6 @@ extern void nfs_callback_down(void);
72 72
73extern unsigned int nfs_callback_set_tcpport; 73extern unsigned int nfs_callback_set_tcpport;
74extern unsigned short nfs_callback_tcpport; 74extern unsigned short nfs_callback_tcpport;
75extern unsigned short nfs_callback_tcpport6;
75 76
76#endif /* __LINUX_FS_NFS_CALLBACK_H */ 77#endif /* __LINUX_FS_NFS_CALLBACK_H */
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 2277421656e7..aba38017bdef 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -224,38 +224,6 @@ void nfs_put_client(struct nfs_client *clp)
224} 224}
225 225
226#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) 226#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
227static const struct in6_addr *nfs_map_ipv4_addr(const struct sockaddr *sa, struct in6_addr *addr_mapped)
228{
229 switch (sa->sa_family) {
230 default:
231 return NULL;
232 case AF_INET6:
233 return &((const struct sockaddr_in6 *)sa)->sin6_addr;
234 break;
235 case AF_INET:
236 ipv6_addr_set_v4mapped(((const struct sockaddr_in *)sa)->sin_addr.s_addr,
237 addr_mapped);
238 return addr_mapped;
239 }
240}
241
242static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
243 const struct sockaddr *sa2)
244{
245 const struct in6_addr *addr1;
246 const struct in6_addr *addr2;
247 struct in6_addr addr1_mapped;
248 struct in6_addr addr2_mapped;
249
250 addr1 = nfs_map_ipv4_addr(sa1, &addr1_mapped);
251 if (likely(addr1 != NULL)) {
252 addr2 = nfs_map_ipv4_addr(sa2, &addr2_mapped);
253 if (likely(addr2 != NULL))
254 return ipv6_addr_equal(addr1, addr2);
255 }
256 return 0;
257}
258
259/* 227/*
260 * Test if two ip6 socket addresses refer to the same socket by 228 * Test if two ip6 socket addresses refer to the same socket by
261 * comparing relevant fields. The padding bytes specifically, are not 229 * comparing relevant fields. The padding bytes specifically, are not
@@ -267,38 +235,21 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
267 * 235 *
268 * The caller should ensure both socket addresses are AF_INET6. 236 * The caller should ensure both socket addresses are AF_INET6.
269 */ 237 */
270static int nfs_sockaddr_cmp_ip6(const struct sockaddr *sa1, 238static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
271 const struct sockaddr *sa2) 239 const struct sockaddr *sa2)
272{ 240{
273 const struct sockaddr_in6 *saddr1 = (const struct sockaddr_in6 *)sa1; 241 const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sa1;
274 const struct sockaddr_in6 *saddr2 = (const struct sockaddr_in6 *)sa2; 242 const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sa2;
275 243
276 if (!ipv6_addr_equal(&saddr1->sin6_addr, 244 if (ipv6_addr_scope(&sin1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
277 &saddr1->sin6_addr)) 245 sin1->sin6_scope_id != sin2->sin6_scope_id)
278 return 0; 246 return 0;
279 if (ipv6_addr_scope(&saddr1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
280 saddr1->sin6_scope_id != saddr2->sin6_scope_id)
281 return 0;
282 return saddr1->sin6_port == saddr2->sin6_port;
283}
284#else
285static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1,
286 const struct sockaddr_in *sa2)
287{
288 return sa1->sin_addr.s_addr == sa2->sin_addr.s_addr;
289}
290 247
291static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1, 248 return ipv6_addr_equal(&sin1->sin6_addr, &sin1->sin6_addr);
292 const struct sockaddr *sa2)
293{
294 if (unlikely(sa1->sa_family != AF_INET || sa2->sa_family != AF_INET))
295 return 0;
296 return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1,
297 (const struct sockaddr_in *)sa2);
298} 249}
299 250#else /* !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE) */
300static int nfs_sockaddr_cmp_ip6(const struct sockaddr * sa1, 251static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
301 const struct sockaddr * sa2) 252 const struct sockaddr *sa2)
302{ 253{
303 return 0; 254 return 0;
304} 255}
@@ -311,20 +262,57 @@ static int nfs_sockaddr_cmp_ip6(const struct sockaddr * sa1,
311 * 262 *
312 * The caller should ensure both socket addresses are AF_INET. 263 * The caller should ensure both socket addresses are AF_INET.
313 */ 264 */
265static int nfs_sockaddr_match_ipaddr4(const struct sockaddr *sa1,
266 const struct sockaddr *sa2)
267{
268 const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sa1;
269 const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sa2;
270
271 return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
272}
273
274static int nfs_sockaddr_cmp_ip6(const struct sockaddr *sa1,
275 const struct sockaddr *sa2)
276{
277 const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sa1;
278 const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sa2;
279
280 return nfs_sockaddr_match_ipaddr6(sa1, sa2) &&
281 (sin1->sin6_port == sin2->sin6_port);
282}
283
314static int nfs_sockaddr_cmp_ip4(const struct sockaddr *sa1, 284static int nfs_sockaddr_cmp_ip4(const struct sockaddr *sa1,
315 const struct sockaddr *sa2) 285 const struct sockaddr *sa2)
316{ 286{
317 const struct sockaddr_in *saddr1 = (const struct sockaddr_in *)sa1; 287 const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sa1;
318 const struct sockaddr_in *saddr2 = (const struct sockaddr_in *)sa2; 288 const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sa2;
319 289
320 if (saddr1->sin_addr.s_addr != saddr2->sin_addr.s_addr) 290 return nfs_sockaddr_match_ipaddr4(sa1, sa2) &&
291 (sin1->sin_port == sin2->sin_port);
292}
293
294/*
295 * Test if two socket addresses represent the same actual socket,
296 * by comparing (only) relevant fields, excluding the port number.
297 */
298static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
299 const struct sockaddr *sa2)
300{
301 if (sa1->sa_family != sa2->sa_family)
321 return 0; 302 return 0;
322 return saddr1->sin_port == saddr2->sin_port; 303
304 switch (sa1->sa_family) {
305 case AF_INET:
306 return nfs_sockaddr_match_ipaddr4(sa1, sa2);
307 case AF_INET6:
308 return nfs_sockaddr_match_ipaddr6(sa1, sa2);
309 }
310 return 0;
323} 311}
324 312
325/* 313/*
326 * Test if two socket addresses represent the same actual socket, 314 * Test if two socket addresses represent the same actual socket,
327 * by comparing (only) relevant fields. 315 * by comparing (only) relevant fields, including the port number.
328 */ 316 */
329static int nfs_sockaddr_cmp(const struct sockaddr *sa1, 317static int nfs_sockaddr_cmp(const struct sockaddr *sa1,
330 const struct sockaddr *sa2) 318 const struct sockaddr *sa2)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 78bf72fc1db3..370b190a09d1 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1624,8 +1624,7 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
1624 } else if (atomic_read(&new_dentry->d_count) > 1) 1624 } else if (atomic_read(&new_dentry->d_count) > 1)
1625 /* dentry still busy? */ 1625 /* dentry still busy? */
1626 goto out; 1626 goto out;
1627 } else 1627 }
1628 nfs_drop_nlink(new_inode);
1629 1628
1630go_ahead: 1629go_ahead:
1631 /* 1630 /*
@@ -1638,10 +1637,8 @@ go_ahead:
1638 } 1637 }
1639 nfs_inode_return_delegation(old_inode); 1638 nfs_inode_return_delegation(old_inode);
1640 1639
1641 if (new_inode != NULL) { 1640 if (new_inode != NULL)
1642 nfs_inode_return_delegation(new_inode); 1641 nfs_inode_return_delegation(new_inode);
1643 d_delete(new_dentry);
1644 }
1645 1642
1646 error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name, 1643 error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
1647 new_dir, &new_dentry->d_name); 1644 new_dir, &new_dentry->d_name);
@@ -1650,6 +1647,8 @@ out:
1650 if (rehash) 1647 if (rehash)
1651 d_rehash(rehash); 1648 d_rehash(rehash);
1652 if (!error) { 1649 if (!error) {
1650 if (new_inode != NULL)
1651 nfs_drop_nlink(new_inode);
1653 d_move(old_dentry, new_dentry); 1652 d_move(old_dentry, new_dentry);
1654 nfs_set_verifier(new_dentry, 1653 nfs_set_verifier(new_dentry,
1655 nfs_save_change_attribute(new_dir)); 1654 nfs_save_change_attribute(new_dir));
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 90f292b520d2..0abf3f331f56 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -64,11 +64,7 @@ const struct file_operations nfs_file_operations = {
64 .write = do_sync_write, 64 .write = do_sync_write,
65 .aio_read = nfs_file_read, 65 .aio_read = nfs_file_read,
66 .aio_write = nfs_file_write, 66 .aio_write = nfs_file_write,
67#ifdef CONFIG_MMU
68 .mmap = nfs_file_mmap, 67 .mmap = nfs_file_mmap,
69#else
70 .mmap = generic_file_mmap,
71#endif
72 .open = nfs_file_open, 68 .open = nfs_file_open,
73 .flush = nfs_file_flush, 69 .flush = nfs_file_flush,
74 .release = nfs_file_release, 70 .release = nfs_file_release,
@@ -141,9 +137,6 @@ nfs_file_release(struct inode *inode, struct file *filp)
141 dentry->d_parent->d_name.name, 137 dentry->d_parent->d_name.name,
142 dentry->d_name.name); 138 dentry->d_name.name);
143 139
144 /* Ensure that dirty pages are flushed out with the right creds */
145 if (filp->f_mode & FMODE_WRITE)
146 nfs_wb_all(dentry->d_inode);
147 nfs_inc_stats(inode, NFSIOS_VFSRELEASE); 140 nfs_inc_stats(inode, NFSIOS_VFSRELEASE);
148 return nfs_release(inode, filp); 141 return nfs_release(inode, filp);
149} 142}
@@ -235,7 +228,6 @@ nfs_file_flush(struct file *file, fl_owner_t id)
235 struct nfs_open_context *ctx = nfs_file_open_context(file); 228 struct nfs_open_context *ctx = nfs_file_open_context(file);
236 struct dentry *dentry = file->f_path.dentry; 229 struct dentry *dentry = file->f_path.dentry;
237 struct inode *inode = dentry->d_inode; 230 struct inode *inode = dentry->d_inode;
238 int status;
239 231
240 dprintk("NFS: flush(%s/%s)\n", 232 dprintk("NFS: flush(%s/%s)\n",
241 dentry->d_parent->d_name.name, 233 dentry->d_parent->d_name.name,
@@ -245,11 +237,8 @@ nfs_file_flush(struct file *file, fl_owner_t id)
245 return 0; 237 return 0;
246 nfs_inc_stats(inode, NFSIOS_VFSFLUSH); 238 nfs_inc_stats(inode, NFSIOS_VFSFLUSH);
247 239
248 /* Ensure that data+attribute caches are up to date after close() */ 240 /* Flush writes to the server and return any errors */
249 status = nfs_do_fsync(ctx, inode); 241 return nfs_do_fsync(ctx, inode);
250 if (!status)
251 nfs_revalidate_inode(NFS_SERVER(inode), inode);
252 return status;
253} 242}
254 243
255static ssize_t 244static ssize_t
@@ -304,11 +293,13 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
304 dprintk("NFS: mmap(%s/%s)\n", 293 dprintk("NFS: mmap(%s/%s)\n",
305 dentry->d_parent->d_name.name, dentry->d_name.name); 294 dentry->d_parent->d_name.name, dentry->d_name.name);
306 295
307 status = nfs_revalidate_mapping(inode, file->f_mapping); 296 /* Note: generic_file_mmap() returns ENOSYS on nommu systems
297 * so we call that before revalidating the mapping
298 */
299 status = generic_file_mmap(file, vma);
308 if (!status) { 300 if (!status) {
309 vma->vm_ops = &nfs_file_vm_ops; 301 vma->vm_ops = &nfs_file_vm_ops;
310 vma->vm_flags |= VM_CAN_NONLINEAR; 302 status = nfs_revalidate_mapping(inode, file->f_mapping);
311 file_accessed(file);
312 } 303 }
313 return status; 304 return status;
314} 305}
@@ -354,6 +345,15 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping,
354 file->f_path.dentry->d_name.name, 345 file->f_path.dentry->d_name.name,
355 mapping->host->i_ino, len, (long long) pos); 346 mapping->host->i_ino, len, (long long) pos);
356 347
348 /*
349 * Prevent starvation issues if someone is doing a consistency
350 * sync-to-disk
351 */
352 ret = wait_on_bit(&NFS_I(mapping->host)->flags, NFS_INO_FLUSHING,
353 nfs_wait_bit_killable, TASK_KILLABLE);
354 if (ret)
355 return ret;
356
357 page = grab_cache_page_write_begin(mapping, index, flags); 357 page = grab_cache_page_write_begin(mapping, index, flags);
358 if (!page) 358 if (!page)
359 return -ENOMEM; 359 return -ENOMEM;
@@ -451,8 +451,9 @@ const struct address_space_operations nfs_file_aops = {
451 .launder_page = nfs_launder_page, 451 .launder_page = nfs_launder_page,
452}; 452};
453 453
454static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page) 454static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
455{ 455{
456 struct page *page = vmf->page;
456 struct file *filp = vma->vm_file; 457 struct file *filp = vma->vm_file;
457 struct dentry *dentry = filp->f_path.dentry; 458 struct dentry *dentry = filp->f_path.dentry;
458 unsigned pagelen; 459 unsigned pagelen;
@@ -483,6 +484,8 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
483 ret = pagelen; 484 ret = pagelen;
484out_unlock: 485out_unlock:
485 unlock_page(page); 486 unlock_page(page);
487 if (ret)
488 ret = VM_FAULT_SIGBUS;
486 return ret; 489 return ret;
487} 490}
488 491
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index b7c9b2df1f29..46177cb87064 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -156,7 +156,7 @@ int nfs4_path_walk(struct nfs_server *server,
156 return ret; 156 return ret;
157 } 157 }
158 158
159 if (fattr.type != NFDIR) { 159 if (!S_ISDIR(fattr.mode)) {
160 printk(KERN_ERR "nfs4_get_root:" 160 printk(KERN_ERR "nfs4_get_root:"
161 " getroot encountered non-directory\n"); 161 " getroot encountered non-directory\n");
162 return -ENOTDIR; 162 return -ENOTDIR;
@@ -213,7 +213,7 @@ eat_dot_dir:
213 return ret; 213 return ret;
214 } 214 }
215 215
216 if (fattr.type != NFDIR) { 216 if (!S_ISDIR(fattr.mode)) {
217 printk(KERN_ERR "nfs4_get_root:" 217 printk(KERN_ERR "nfs4_get_root:"
218 " lookupfh encountered non-directory\n"); 218 " lookupfh encountered non-directory\n");
219 return -ENOTDIR; 219 return -ENOTDIR;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 0c381686171e..a834d1d850b7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -66,6 +66,18 @@ nfs_fattr_to_ino_t(struct nfs_fattr *fattr)
66} 66}
67 67
68/** 68/**
69 * nfs_wait_bit_killable - helper for functions that are sleeping on bit locks
70 * @word: long word containing the bit lock
71 */
72int nfs_wait_bit_killable(void *word)
73{
74 if (fatal_signal_pending(current))
75 return -ERESTARTSYS;
76 schedule();
77 return 0;
78}
79
80/**
69 * nfs_compat_user_ino64 - returns the user-visible inode number 81 * nfs_compat_user_ino64 - returns the user-visible inode number
70 * @fileid: 64-bit fileid 82 * @fileid: 64-bit fileid
71 * 83 *
@@ -249,13 +261,10 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
249 struct inode *inode = ERR_PTR(-ENOENT); 261 struct inode *inode = ERR_PTR(-ENOENT);
250 unsigned long hash; 262 unsigned long hash;
251 263
252 if ((fattr->valid & NFS_ATTR_FATTR) == 0) 264 if ((fattr->valid & NFS_ATTR_FATTR_FILEID) == 0)
253 goto out_no_inode; 265 goto out_no_inode;
254 266 if ((fattr->valid & NFS_ATTR_FATTR_TYPE) == 0)
255 if (!fattr->nlink) {
256 printk("NFS: Buggy server - nlink == 0!\n");
257 goto out_no_inode; 267 goto out_no_inode;
258 }
259 268
260 hash = nfs_fattr_to_ino_t(fattr); 269 hash = nfs_fattr_to_ino_t(fattr);
261 270
@@ -291,7 +300,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
291 && fattr->size <= NFS_LIMIT_READDIRPLUS) 300 && fattr->size <= NFS_LIMIT_READDIRPLUS)
292 set_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags); 301 set_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags);
293 /* Deal with crossing mountpoints */ 302 /* Deal with crossing mountpoints */
294 if (!nfs_fsid_equal(&NFS_SB(sb)->fsid, &fattr->fsid)) { 303 if ((fattr->valid & NFS_ATTR_FATTR_FSID)
304 && !nfs_fsid_equal(&NFS_SB(sb)->fsid, &fattr->fsid)) {
295 if (fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) 305 if (fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL)
296 inode->i_op = &nfs_referral_inode_operations; 306 inode->i_op = &nfs_referral_inode_operations;
297 else 307 else
@@ -304,28 +314,45 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
304 else 314 else
305 init_special_inode(inode, inode->i_mode, fattr->rdev); 315 init_special_inode(inode, inode->i_mode, fattr->rdev);
306 316
317 memset(&inode->i_atime, 0, sizeof(inode->i_atime));
318 memset(&inode->i_mtime, 0, sizeof(inode->i_mtime));
319 memset(&inode->i_ctime, 0, sizeof(inode->i_ctime));
320 nfsi->change_attr = 0;
321 inode->i_size = 0;
322 inode->i_nlink = 0;
323 inode->i_uid = -2;
324 inode->i_gid = -2;
325 inode->i_blocks = 0;
326 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
327
307 nfsi->read_cache_jiffies = fattr->time_start; 328 nfsi->read_cache_jiffies = fattr->time_start;
308 nfsi->attr_gencount = fattr->gencount; 329 nfsi->attr_gencount = fattr->gencount;
309 inode->i_atime = fattr->atime; 330 if (fattr->valid & NFS_ATTR_FATTR_ATIME)
310 inode->i_mtime = fattr->mtime; 331 inode->i_atime = fattr->atime;
311 inode->i_ctime = fattr->ctime; 332 if (fattr->valid & NFS_ATTR_FATTR_MTIME)
312 if (fattr->valid & NFS_ATTR_FATTR_V4) 333 inode->i_mtime = fattr->mtime;
334 if (fattr->valid & NFS_ATTR_FATTR_CTIME)
335 inode->i_ctime = fattr->ctime;
336 if (fattr->valid & NFS_ATTR_FATTR_CHANGE)
313 nfsi->change_attr = fattr->change_attr; 337 nfsi->change_attr = fattr->change_attr;
314 inode->i_size = nfs_size_to_loff_t(fattr->size); 338 if (fattr->valid & NFS_ATTR_FATTR_SIZE)
315 inode->i_nlink = fattr->nlink; 339 inode->i_size = nfs_size_to_loff_t(fattr->size);
316 inode->i_uid = fattr->uid; 340 if (fattr->valid & NFS_ATTR_FATTR_NLINK)
317 inode->i_gid = fattr->gid; 341 inode->i_nlink = fattr->nlink;
318 if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) { 342 if (fattr->valid & NFS_ATTR_FATTR_OWNER)
343 inode->i_uid = fattr->uid;
344 if (fattr->valid & NFS_ATTR_FATTR_GROUP)
345 inode->i_gid = fattr->gid;
346 if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
347 inode->i_blocks = fattr->du.nfs2.blocks;
348 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
319 /* 349 /*
320 * report the blocks in 512byte units 350 * report the blocks in 512byte units
321 */ 351 */
322 inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used); 352 inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
323 } else {
324 inode->i_blocks = fattr->du.nfs2.blocks;
325 } 353 }
326 nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); 354 nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
327 nfsi->attrtimeo_timestamp = now; 355 nfsi->attrtimeo_timestamp = now;
328 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
329 nfsi->access_cache = RB_ROOT; 356 nfsi->access_cache = RB_ROOT;
330 357
331 unlock_new_inode(inode); 358 unlock_new_inode(inode);
@@ -514,6 +541,32 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
514 return err; 541 return err;
515} 542}
516 543
544/**
545 * nfs_close_context - Common close_context() routine NFSv2/v3
546 * @ctx: pointer to context
547 * @is_sync: is this a synchronous close
548 *
549 * always ensure that the attributes are up to date if we're mounted
550 * with close-to-open semantics
551 */
552void nfs_close_context(struct nfs_open_context *ctx, int is_sync)
553{
554 struct inode *inode;
555 struct nfs_server *server;
556
557 if (!(ctx->mode & FMODE_WRITE))
558 return;
559 if (!is_sync)
560 return;
561 inode = ctx->path.dentry->d_inode;
562 if (!list_empty(&NFS_I(inode)->open_files))
563 return;
564 server = NFS_SERVER(inode);
565 if (server->flags & NFS_MOUNT_NOCTO)
566 return;
567 nfs_revalidate_inode(server, inode);
568}
569
517static struct nfs_open_context *alloc_nfs_open_context(struct vfsmount *mnt, struct dentry *dentry, struct rpc_cred *cred) 570static struct nfs_open_context *alloc_nfs_open_context(struct vfsmount *mnt, struct dentry *dentry, struct rpc_cred *cred)
518{ 571{
519 struct nfs_open_context *ctx; 572 struct nfs_open_context *ctx;
@@ -540,24 +593,15 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
540 return ctx; 593 return ctx;
541} 594}
542 595
543static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait) 596static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
544{ 597{
545 struct inode *inode; 598 struct inode *inode = ctx->path.dentry->d_inode;
546
547 if (ctx == NULL)
548 return;
549 599
550 inode = ctx->path.dentry->d_inode;
551 if (!atomic_dec_and_lock(&ctx->count, &inode->i_lock)) 600 if (!atomic_dec_and_lock(&ctx->count, &inode->i_lock))
552 return; 601 return;
553 list_del(&ctx->list); 602 list_del(&ctx->list);
554 spin_unlock(&inode->i_lock); 603 spin_unlock(&inode->i_lock);
555 if (ctx->state != NULL) { 604 NFS_PROTO(inode)->close_context(ctx, is_sync);
556 if (wait)
557 nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
558 else
559 nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
560 }
561 if (ctx->cred != NULL) 605 if (ctx->cred != NULL)
562 put_rpccred(ctx->cred); 606 put_rpccred(ctx->cred);
563 path_put(&ctx->path); 607 path_put(&ctx->path);
@@ -670,9 +714,6 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
670 if (NFS_STALE(inode)) 714 if (NFS_STALE(inode))
671 goto out; 715 goto out;
672 716
673 if (NFS_STALE(inode))
674 goto out;
675
676 nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE); 717 nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE);
677 status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr); 718 status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr);
678 if (status != 0) { 719 if (status != 0) {
@@ -815,25 +856,31 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr)
815{ 856{
816 struct nfs_inode *nfsi = NFS_I(inode); 857 struct nfs_inode *nfsi = NFS_I(inode);
817 858
818 if ((fattr->valid & NFS_ATTR_WCC_V4) != 0 && 859 if ((fattr->valid & NFS_ATTR_FATTR_PRECHANGE)
819 nfsi->change_attr == fattr->pre_change_attr) { 860 && (fattr->valid & NFS_ATTR_FATTR_CHANGE)
861 && nfsi->change_attr == fattr->pre_change_attr) {
820 nfsi->change_attr = fattr->change_attr; 862 nfsi->change_attr = fattr->change_attr;
821 if (S_ISDIR(inode->i_mode)) 863 if (S_ISDIR(inode->i_mode))
822 nfsi->cache_validity |= NFS_INO_INVALID_DATA; 864 nfsi->cache_validity |= NFS_INO_INVALID_DATA;
823 } 865 }
824 /* If we have atomic WCC data, we may update some attributes */ 866 /* If we have atomic WCC data, we may update some attributes */
825 if ((fattr->valid & NFS_ATTR_WCC) != 0) { 867 if ((fattr->valid & NFS_ATTR_FATTR_PRECTIME)
826 if (timespec_equal(&inode->i_ctime, &fattr->pre_ctime)) 868 && (fattr->valid & NFS_ATTR_FATTR_CTIME)
869 && timespec_equal(&inode->i_ctime, &fattr->pre_ctime))
827 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); 870 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
828 if (timespec_equal(&inode->i_mtime, &fattr->pre_mtime)) { 871
872 if ((fattr->valid & NFS_ATTR_FATTR_PREMTIME)
873 && (fattr->valid & NFS_ATTR_FATTR_MTIME)
874 && timespec_equal(&inode->i_mtime, &fattr->pre_mtime)) {
829 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); 875 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
830 if (S_ISDIR(inode->i_mode)) 876 if (S_ISDIR(inode->i_mode))
831 nfsi->cache_validity |= NFS_INO_INVALID_DATA; 877 nfsi->cache_validity |= NFS_INO_INVALID_DATA;
832 }
833 if (i_size_read(inode) == nfs_size_to_loff_t(fattr->pre_size) &&
834 nfsi->npages == 0)
835 i_size_write(inode, nfs_size_to_loff_t(fattr->size));
836 } 878 }
879 if ((fattr->valid & NFS_ATTR_FATTR_PRESIZE)
880 && (fattr->valid & NFS_ATTR_FATTR_SIZE)
881 && i_size_read(inode) == nfs_size_to_loff_t(fattr->pre_size)
882 && nfsi->npages == 0)
883 i_size_write(inode, nfs_size_to_loff_t(fattr->size));
837} 884}
838 885
839/** 886/**
@@ -853,35 +900,39 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
853 900
854 901
855 /* Has the inode gone and changed behind our back? */ 902 /* Has the inode gone and changed behind our back? */
856 if (nfsi->fileid != fattr->fileid 903 if ((fattr->valid & NFS_ATTR_FATTR_FILEID) && nfsi->fileid != fattr->fileid)
857 || (inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) { 904 return -EIO;
905 if ((fattr->valid & NFS_ATTR_FATTR_TYPE) && (inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT))
858 return -EIO; 906 return -EIO;
859 }
860 907
861 if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && 908 if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 &&
862 nfsi->change_attr != fattr->change_attr) 909 nfsi->change_attr != fattr->change_attr)
863 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; 910 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
864 911
865 /* Verify a few of the more important attributes */ 912 /* Verify a few of the more important attributes */
866 if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) 913 if ((fattr->valid & NFS_ATTR_FATTR_MTIME) && !timespec_equal(&inode->i_mtime, &fattr->mtime))
867 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; 914 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
868 915
869 cur_size = i_size_read(inode); 916 if (fattr->valid & NFS_ATTR_FATTR_SIZE) {
870 new_isize = nfs_size_to_loff_t(fattr->size); 917 cur_size = i_size_read(inode);
871 if (cur_size != new_isize && nfsi->npages == 0) 918 new_isize = nfs_size_to_loff_t(fattr->size);
872 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; 919 if (cur_size != new_isize && nfsi->npages == 0)
920 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
921 }
873 922
874 /* Have any file permissions changed? */ 923 /* Have any file permissions changed? */
875 if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) 924 if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
876 || inode->i_uid != fattr->uid 925 invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
877 || inode->i_gid != fattr->gid) 926 if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && inode->i_uid != fattr->uid)
927 invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
928 if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && inode->i_gid != fattr->gid)
878 invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; 929 invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
879 930
880 /* Has the link count changed? */ 931 /* Has the link count changed? */
881 if (inode->i_nlink != fattr->nlink) 932 if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
882 invalid |= NFS_INO_INVALID_ATTR; 933 invalid |= NFS_INO_INVALID_ATTR;
883 934
884 if (!timespec_equal(&inode->i_atime, &fattr->atime)) 935 if ((fattr->valid & NFS_ATTR_FATTR_ATIME) && !timespec_equal(&inode->i_atime, &fattr->atime))
885 invalid |= NFS_INO_INVALID_ATIME; 936 invalid |= NFS_INO_INVALID_ATIME;
886 937
887 if (invalid != 0) 938 if (invalid != 0)
@@ -893,11 +944,15 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
893 944
894static int nfs_ctime_need_update(const struct inode *inode, const struct nfs_fattr *fattr) 945static int nfs_ctime_need_update(const struct inode *inode, const struct nfs_fattr *fattr)
895{ 946{
947 if (!(fattr->valid & NFS_ATTR_FATTR_CTIME))
948 return 0;
896 return timespec_compare(&fattr->ctime, &inode->i_ctime) > 0; 949 return timespec_compare(&fattr->ctime, &inode->i_ctime) > 0;
897} 950}
898 951
899static int nfs_size_need_update(const struct inode *inode, const struct nfs_fattr *fattr) 952static int nfs_size_need_update(const struct inode *inode, const struct nfs_fattr *fattr)
900{ 953{
954 if (!(fattr->valid & NFS_ATTR_FATTR_SIZE))
955 return 0;
901 return nfs_size_to_loff_t(fattr->size) > i_size_read(inode); 956 return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
902} 957}
903 958
@@ -1033,20 +1088,31 @@ int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fa
1033 /* Don't do a WCC update if these attributes are already stale */ 1088 /* Don't do a WCC update if these attributes are already stale */
1034 if ((fattr->valid & NFS_ATTR_FATTR) == 0 || 1089 if ((fattr->valid & NFS_ATTR_FATTR) == 0 ||
1035 !nfs_inode_attrs_need_update(inode, fattr)) { 1090 !nfs_inode_attrs_need_update(inode, fattr)) {
1036 fattr->valid &= ~(NFS_ATTR_WCC_V4|NFS_ATTR_WCC); 1091 fattr->valid &= ~(NFS_ATTR_FATTR_PRECHANGE
1092 | NFS_ATTR_FATTR_PRESIZE
1093 | NFS_ATTR_FATTR_PREMTIME
1094 | NFS_ATTR_FATTR_PRECTIME);
1037 goto out_noforce; 1095 goto out_noforce;
1038 } 1096 }
1039 if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && 1097 if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 &&
1040 (fattr->valid & NFS_ATTR_WCC_V4) == 0) { 1098 (fattr->valid & NFS_ATTR_FATTR_PRECHANGE) == 0) {
1041 fattr->pre_change_attr = NFS_I(inode)->change_attr; 1099 fattr->pre_change_attr = NFS_I(inode)->change_attr;
1042 fattr->valid |= NFS_ATTR_WCC_V4; 1100 fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
1043 } 1101 }
1044 if ((fattr->valid & NFS_ATTR_FATTR) != 0 && 1102 if ((fattr->valid & NFS_ATTR_FATTR_CTIME) != 0 &&
1045 (fattr->valid & NFS_ATTR_WCC) == 0) { 1103 (fattr->valid & NFS_ATTR_FATTR_PRECTIME) == 0) {
1046 memcpy(&fattr->pre_ctime, &inode->i_ctime, sizeof(fattr->pre_ctime)); 1104 memcpy(&fattr->pre_ctime, &inode->i_ctime, sizeof(fattr->pre_ctime));
1105 fattr->valid |= NFS_ATTR_FATTR_PRECTIME;
1106 }
1107 if ((fattr->valid & NFS_ATTR_FATTR_MTIME) != 0 &&
1108 (fattr->valid & NFS_ATTR_FATTR_PREMTIME) == 0) {
1047 memcpy(&fattr->pre_mtime, &inode->i_mtime, sizeof(fattr->pre_mtime)); 1109 memcpy(&fattr->pre_mtime, &inode->i_mtime, sizeof(fattr->pre_mtime));
1110 fattr->valid |= NFS_ATTR_FATTR_PREMTIME;
1111 }
1112 if ((fattr->valid & NFS_ATTR_FATTR_SIZE) != 0 &&
1113 (fattr->valid & NFS_ATTR_FATTR_PRESIZE) == 0) {
1048 fattr->pre_size = i_size_read(inode); 1114 fattr->pre_size = i_size_read(inode);
1049 fattr->valid |= NFS_ATTR_WCC; 1115 fattr->valid |= NFS_ATTR_FATTR_PRESIZE;
1050 } 1116 }
1051out_noforce: 1117out_noforce:
1052 status = nfs_post_op_update_inode_locked(inode, fattr); 1118 status = nfs_post_op_update_inode_locked(inode, fattr);
@@ -1078,18 +1144,18 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1078 __func__, inode->i_sb->s_id, inode->i_ino, 1144 __func__, inode->i_sb->s_id, inode->i_ino,
1079 atomic_read(&inode->i_count), fattr->valid); 1145 atomic_read(&inode->i_count), fattr->valid);
1080 1146
1081 if (nfsi->fileid != fattr->fileid) 1147 if ((fattr->valid & NFS_ATTR_FATTR_FILEID) && nfsi->fileid != fattr->fileid)
1082 goto out_fileid; 1148 goto out_fileid;
1083 1149
1084 /* 1150 /*
1085 * Make sure the inode's type hasn't changed. 1151 * Make sure the inode's type hasn't changed.
1086 */ 1152 */
1087 if ((inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) 1153 if ((fattr->valid & NFS_ATTR_FATTR_TYPE) && (inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT))
1088 goto out_changed; 1154 goto out_changed;
1089 1155
1090 server = NFS_SERVER(inode); 1156 server = NFS_SERVER(inode);
1091 /* Update the fsid? */ 1157 /* Update the fsid? */
1092 if (S_ISDIR(inode->i_mode) && 1158 if (S_ISDIR(inode->i_mode) && (fattr->valid & NFS_ATTR_FATTR_FSID) &&
1093 !nfs_fsid_equal(&server->fsid, &fattr->fsid) && 1159 !nfs_fsid_equal(&server->fsid, &fattr->fsid) &&
1094 !test_bit(NFS_INO_MOUNTPOINT, &nfsi->flags)) 1160 !test_bit(NFS_INO_MOUNTPOINT, &nfsi->flags))
1095 server->fsid = fattr->fsid; 1161 server->fsid = fattr->fsid;
@@ -1099,14 +1165,27 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1099 */ 1165 */
1100 nfsi->read_cache_jiffies = fattr->time_start; 1166 nfsi->read_cache_jiffies = fattr->time_start;
1101 1167
1102 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ATIME 1168 if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) || (fattr->valid & (NFS_ATTR_FATTR_MTIME|NFS_ATTR_FATTR_CTIME)))
1103 | NFS_INO_REVAL_PAGECACHE); 1169 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR
1170 | NFS_INO_INVALID_ATIME
1171 | NFS_INO_REVAL_PAGECACHE);
1104 1172
1105 /* Do atomic weak cache consistency updates */ 1173 /* Do atomic weak cache consistency updates */
1106 nfs_wcc_update_inode(inode, fattr); 1174 nfs_wcc_update_inode(inode, fattr);
1107 1175
1108 /* More cache consistency checks */ 1176 /* More cache consistency checks */
1109 if (!(fattr->valid & NFS_ATTR_FATTR_V4)) { 1177 if (fattr->valid & NFS_ATTR_FATTR_CHANGE) {
1178 if (nfsi->change_attr != fattr->change_attr) {
1179 dprintk("NFS: change_attr change on server for file %s/%ld\n",
1180 inode->i_sb->s_id, inode->i_ino);
1181 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1182 if (S_ISDIR(inode->i_mode))
1183 nfs_force_lookup_revalidate(inode);
1184 nfsi->change_attr = fattr->change_attr;
1185 }
1186 }
1187
1188 if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
1110 /* NFSv2/v3: Check if the mtime agrees */ 1189 /* NFSv2/v3: Check if the mtime agrees */
1111 if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) { 1190 if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) {
1112 dprintk("NFS: mtime change on server for file %s/%ld\n", 1191 dprintk("NFS: mtime change on server for file %s/%ld\n",
@@ -1114,59 +1193,80 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1114 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; 1193 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
1115 if (S_ISDIR(inode->i_mode)) 1194 if (S_ISDIR(inode->i_mode))
1116 nfs_force_lookup_revalidate(inode); 1195 nfs_force_lookup_revalidate(inode);
1196 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
1117 } 1197 }
1198 }
1199 if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
1118 /* If ctime has changed we should definitely clear access+acl caches */ 1200 /* If ctime has changed we should definitely clear access+acl caches */
1119 if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) 1201 if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) {
1120 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; 1202 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1121 } else if (nfsi->change_attr != fattr->change_attr) { 1203 /* and probably clear data for a directory too as utimes can cause
1122 dprintk("NFS: change_attr change on server for file %s/%ld\n", 1204 * havoc with our cache.
1123 inode->i_sb->s_id, inode->i_ino); 1205 */
1124 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; 1206 if (S_ISDIR(inode->i_mode)) {
1125 if (S_ISDIR(inode->i_mode)) 1207 invalid |= NFS_INO_INVALID_DATA;
1126 nfs_force_lookup_revalidate(inode); 1208 nfs_force_lookup_revalidate(inode);
1209 }
1210 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
1211 }
1127 } 1212 }
1128 1213
1129 /* Check if our cached file size is stale */ 1214 /* Check if our cached file size is stale */
1130 new_isize = nfs_size_to_loff_t(fattr->size); 1215 if (fattr->valid & NFS_ATTR_FATTR_SIZE) {
1131 cur_isize = i_size_read(inode); 1216 new_isize = nfs_size_to_loff_t(fattr->size);
1132 if (new_isize != cur_isize) { 1217 cur_isize = i_size_read(inode);
1133 /* Do we perhaps have any outstanding writes, or has 1218 if (new_isize != cur_isize) {
1134 * the file grown beyond our last write? */ 1219 /* Do we perhaps have any outstanding writes, or has
1135 if (nfsi->npages == 0 || new_isize > cur_isize) { 1220 * the file grown beyond our last write? */
1136 i_size_write(inode, new_isize); 1221 if (nfsi->npages == 0 || new_isize > cur_isize) {
1137 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; 1222 i_size_write(inode, new_isize);
1223 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
1224 }
1225 dprintk("NFS: isize change on server for file %s/%ld\n",
1226 inode->i_sb->s_id, inode->i_ino);
1138 } 1227 }
1139 dprintk("NFS: isize change on server for file %s/%ld\n",
1140 inode->i_sb->s_id, inode->i_ino);
1141 } 1228 }
1142 1229
1143 1230
1144 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); 1231 if (fattr->valid & NFS_ATTR_FATTR_ATIME)
1145 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); 1232 memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
1146 memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
1147 nfsi->change_attr = fattr->change_attr;
1148
1149 if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) ||
1150 inode->i_uid != fattr->uid ||
1151 inode->i_gid != fattr->gid)
1152 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1153 1233
1154 if (inode->i_nlink != fattr->nlink) 1234 if (fattr->valid & NFS_ATTR_FATTR_MODE) {
1155 invalid |= NFS_INO_INVALID_ATTR; 1235 if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) {
1236 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1237 inode->i_mode = fattr->mode;
1238 }
1239 }
1240 if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
1241 if (inode->i_uid != fattr->uid) {
1242 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1243 inode->i_uid = fattr->uid;
1244 }
1245 }
1246 if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
1247 if (inode->i_gid != fattr->gid) {
1248 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1249 inode->i_gid = fattr->gid;
1250 }
1251 }
1156 1252
1157 inode->i_mode = fattr->mode; 1253 if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
1158 inode->i_nlink = fattr->nlink; 1254 if (inode->i_nlink != fattr->nlink) {
1159 inode->i_uid = fattr->uid; 1255 invalid |= NFS_INO_INVALID_ATTR;
1160 inode->i_gid = fattr->gid; 1256 if (S_ISDIR(inode->i_mode))
1257 invalid |= NFS_INO_INVALID_DATA;
1258 inode->i_nlink = fattr->nlink;
1259 }
1260 }
1161 1261
1162 if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) { 1262 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
1163 /* 1263 /*
1164 * report the blocks in 512byte units 1264 * report the blocks in 512byte units
1165 */ 1265 */
1166 inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used); 1266 inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
1167 } else {
1168 inode->i_blocks = fattr->du.nfs2.blocks;
1169 } 1267 }
1268 if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
1269 inode->i_blocks = fattr->du.nfs2.blocks;
1170 1270
1171 /* Update attrtimeo value if we're out of the unstable period */ 1271 /* Update attrtimeo value if we're out of the unstable period */
1172 if (invalid & NFS_INO_INVALID_ATTR) { 1272 if (invalid & NFS_INO_INVALID_ATTR) {
@@ -1274,7 +1374,6 @@ static void init_once(void *foo)
1274 INIT_LIST_HEAD(&nfsi->access_cache_entry_lru); 1374 INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
1275 INIT_LIST_HEAD(&nfsi->access_cache_inode_lru); 1375 INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
1276 INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC); 1376 INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
1277 nfsi->ncommit = 0;
1278 nfsi->npages = 0; 1377 nfsi->npages = 0;
1279 atomic_set(&nfsi->silly_count, 1); 1378 atomic_set(&nfsi->silly_count, 1);
1280 INIT_HLIST_HEAD(&nfsi->silly_list); 1379 INIT_HLIST_HEAD(&nfsi->silly_list);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 340ede8f608f..2041f68ff1cc 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -152,6 +152,9 @@ extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
152extern struct rpc_procinfo nfs4_procedures[]; 152extern struct rpc_procinfo nfs4_procedures[];
153#endif 153#endif
154 154
155/* proc.c */
156void nfs_close_context(struct nfs_open_context *ctx, int is_sync);
157
155/* dir.c */ 158/* dir.c */
156extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask); 159extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask);
157 160
@@ -165,6 +168,7 @@ extern void nfs_clear_inode(struct inode *);
165extern void nfs4_clear_inode(struct inode *); 168extern void nfs4_clear_inode(struct inode *);
166#endif 169#endif
167void nfs_zap_acl_cache(struct inode *inode); 170void nfs_zap_acl_cache(struct inode *inode);
171extern int nfs_wait_bit_killable(void *word);
168 172
169/* super.c */ 173/* super.c */
170void nfs_parse_ip_address(char *, size_t, struct sockaddr *, size_t *); 174void nfs_parse_ip_address(char *, size_t, struct sockaddr *, size_t *);
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 28bab67d1519..c862c9340f9a 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -120,8 +120,8 @@ xdr_decode_time(__be32 *p, struct timespec *timep)
120static __be32 * 120static __be32 *
121xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr) 121xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
122{ 122{
123 u32 rdev; 123 u32 rdev, type;
124 fattr->type = (enum nfs_ftype) ntohl(*p++); 124 type = ntohl(*p++);
125 fattr->mode = ntohl(*p++); 125 fattr->mode = ntohl(*p++);
126 fattr->nlink = ntohl(*p++); 126 fattr->nlink = ntohl(*p++);
127 fattr->uid = ntohl(*p++); 127 fattr->uid = ntohl(*p++);
@@ -136,10 +136,9 @@ xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
136 p = xdr_decode_time(p, &fattr->atime); 136 p = xdr_decode_time(p, &fattr->atime);
137 p = xdr_decode_time(p, &fattr->mtime); 137 p = xdr_decode_time(p, &fattr->mtime);
138 p = xdr_decode_time(p, &fattr->ctime); 138 p = xdr_decode_time(p, &fattr->ctime);
139 fattr->valid |= NFS_ATTR_FATTR; 139 fattr->valid |= NFS_ATTR_FATTR_V2;
140 fattr->rdev = new_decode_dev(rdev); 140 fattr->rdev = new_decode_dev(rdev);
141 if (fattr->type == NFCHR && rdev == NFS2_FIFO_DEV) { 141 if (type == NFCHR && rdev == NFS2_FIFO_DEV) {
142 fattr->type = NFFIFO;
143 fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO; 142 fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO;
144 fattr->rdev = 0; 143 fattr->rdev = 0;
145 } 144 }
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index e47d4400fb87..d0cc5ce0edfe 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -834,4 +834,5 @@ const struct nfs_rpc_ops nfs_v3_clientops = {
834 .commit_done = nfs3_commit_done, 834 .commit_done = nfs3_commit_done,
835 .lock = nfs3_proc_lock, 835 .lock = nfs3_proc_lock,
836 .clear_acl_cache = nfs3_forget_cached_acls, 836 .clear_acl_cache = nfs3_forget_cached_acls,
837 .close_context = nfs_close_context,
837}; 838};
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 6cdeacffde46..e6a1932c7110 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -91,19 +91,15 @@
91/* 91/*
92 * Map file type to S_IFMT bits 92 * Map file type to S_IFMT bits
93 */ 93 */
94static struct { 94static const umode_t nfs_type2fmt[] = {
95 unsigned int mode; 95 [NF3BAD] = 0,
96 unsigned int nfs2type; 96 [NF3REG] = S_IFREG,
97} nfs_type2fmt[] = { 97 [NF3DIR] = S_IFDIR,
98 { 0, NFNON }, 98 [NF3BLK] = S_IFBLK,
99 { S_IFREG, NFREG }, 99 [NF3CHR] = S_IFCHR,
100 { S_IFDIR, NFDIR }, 100 [NF3LNK] = S_IFLNK,
101 { S_IFBLK, NFBLK }, 101 [NF3SOCK] = S_IFSOCK,
102 { S_IFCHR, NFCHR }, 102 [NF3FIFO] = S_IFIFO,
103 { S_IFLNK, NFLNK },
104 { S_IFSOCK, NFSOCK },
105 { S_IFIFO, NFFIFO },
106 { 0, NFBAD }
107}; 103};
108 104
109/* 105/*
@@ -148,13 +144,12 @@ static __be32 *
148xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr) 144xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
149{ 145{
150 unsigned int type, major, minor; 146 unsigned int type, major, minor;
151 int fmode; 147 umode_t fmode;
152 148
153 type = ntohl(*p++); 149 type = ntohl(*p++);
154 if (type >= NF3BAD) 150 if (type > NF3FIFO)
155 type = NF3BAD; 151 type = NF3NON;
156 fmode = nfs_type2fmt[type].mode; 152 fmode = nfs_type2fmt[type];
157 fattr->type = nfs_type2fmt[type].nfs2type;
158 fattr->mode = (ntohl(*p++) & ~S_IFMT) | fmode; 153 fattr->mode = (ntohl(*p++) & ~S_IFMT) | fmode;
159 fattr->nlink = ntohl(*p++); 154 fattr->nlink = ntohl(*p++);
160 fattr->uid = ntohl(*p++); 155 fattr->uid = ntohl(*p++);
@@ -177,7 +172,7 @@ xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
177 p = xdr_decode_time3(p, &fattr->ctime); 172 p = xdr_decode_time3(p, &fattr->ctime);
178 173
179 /* Update the mode bits */ 174 /* Update the mode bits */
180 fattr->valid |= (NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3); 175 fattr->valid |= NFS_ATTR_FATTR_V3;
181 return p; 176 return p;
182} 177}
183 178
@@ -233,7 +228,9 @@ xdr_decode_wcc_attr(__be32 *p, struct nfs_fattr *fattr)
233 p = xdr_decode_hyper(p, &fattr->pre_size); 228 p = xdr_decode_hyper(p, &fattr->pre_size);
234 p = xdr_decode_time3(p, &fattr->pre_mtime); 229 p = xdr_decode_time3(p, &fattr->pre_mtime);
235 p = xdr_decode_time3(p, &fattr->pre_ctime); 230 p = xdr_decode_time3(p, &fattr->pre_ctime);
236 fattr->valid |= NFS_ATTR_WCC; 231 fattr->valid |= NFS_ATTR_FATTR_PRESIZE
232 | NFS_ATTR_FATTR_PREMTIME
233 | NFS_ATTR_FATTR_PRECTIME;
237 return p; 234 return p;
238} 235}
239 236
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index bbee587dd597..a4d242680299 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -193,14 +193,6 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
193 kunmap_atomic(start, KM_USER0); 193 kunmap_atomic(start, KM_USER0);
194} 194}
195 195
196static int nfs4_wait_bit_killable(void *word)
197{
198 if (fatal_signal_pending(current))
199 return -ERESTARTSYS;
200 schedule();
201 return 0;
202}
203
204static int nfs4_wait_clnt_recover(struct nfs_client *clp) 196static int nfs4_wait_clnt_recover(struct nfs_client *clp)
205{ 197{
206 int res; 198 int res;
@@ -208,7 +200,7 @@ static int nfs4_wait_clnt_recover(struct nfs_client *clp)
208 might_sleep(); 200 might_sleep();
209 201
210 res = wait_on_bit(&clp->cl_state, NFS4CLNT_MANAGER_RUNNING, 202 res = wait_on_bit(&clp->cl_state, NFS4CLNT_MANAGER_RUNNING,
211 nfs4_wait_bit_killable, TASK_KILLABLE); 203 nfs_wait_bit_killable, TASK_KILLABLE);
212 return res; 204 return res;
213} 205}
214 206
@@ -1439,7 +1431,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
1439 if (calldata->arg.seqid == NULL) 1431 if (calldata->arg.seqid == NULL)
1440 goto out_free_calldata; 1432 goto out_free_calldata;
1441 calldata->arg.fmode = 0; 1433 calldata->arg.fmode = 0;
1442 calldata->arg.bitmask = server->attr_bitmask; 1434 calldata->arg.bitmask = server->cache_consistency_bitmask;
1443 calldata->res.fattr = &calldata->fattr; 1435 calldata->res.fattr = &calldata->fattr;
1444 calldata->res.seqid = calldata->arg.seqid; 1436 calldata->res.seqid = calldata->arg.seqid;
1445 calldata->res.server = server; 1437 calldata->res.server = server;
@@ -1580,6 +1572,15 @@ out_drop:
1580 return 0; 1572 return 0;
1581} 1573}
1582 1574
1575void nfs4_close_context(struct nfs_open_context *ctx, int is_sync)
1576{
1577 if (ctx->state == NULL)
1578 return;
1579 if (is_sync)
1580 nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
1581 else
1582 nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
1583}
1583 1584
1584static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle) 1585static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle)
1585{ 1586{
@@ -1600,6 +1601,9 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
1600 server->caps |= NFS_CAP_HARDLINKS; 1601 server->caps |= NFS_CAP_HARDLINKS;
1601 if (res.has_symlinks != 0) 1602 if (res.has_symlinks != 0)
1602 server->caps |= NFS_CAP_SYMLINKS; 1603 server->caps |= NFS_CAP_SYMLINKS;
1604 memcpy(server->cache_consistency_bitmask, res.attr_bitmask, sizeof(server->cache_consistency_bitmask));
1605 server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE;
1606 server->cache_consistency_bitmask[1] &= FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
1603 server->acl_bitmask = res.acl_bitmask; 1607 server->acl_bitmask = res.acl_bitmask;
1604 } 1608 }
1605 return status; 1609 return status;
@@ -2079,7 +2083,7 @@ static void nfs4_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
2079 struct nfs_removeargs *args = msg->rpc_argp; 2083 struct nfs_removeargs *args = msg->rpc_argp;
2080 struct nfs_removeres *res = msg->rpc_resp; 2084 struct nfs_removeres *res = msg->rpc_resp;
2081 2085
2082 args->bitmask = server->attr_bitmask; 2086 args->bitmask = server->cache_consistency_bitmask;
2083 res->server = server; 2087 res->server = server;
2084 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE]; 2088 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE];
2085} 2089}
@@ -2323,7 +2327,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
2323 .pages = &page, 2327 .pages = &page,
2324 .pgbase = 0, 2328 .pgbase = 0,
2325 .count = count, 2329 .count = count,
2326 .bitmask = NFS_SERVER(dentry->d_inode)->attr_bitmask, 2330 .bitmask = NFS_SERVER(dentry->d_inode)->cache_consistency_bitmask,
2327 }; 2331 };
2328 struct nfs4_readdir_res res; 2332 struct nfs4_readdir_res res;
2329 struct rpc_message msg = { 2333 struct rpc_message msg = {
@@ -2552,7 +2556,7 @@ static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_messag
2552{ 2556{
2553 struct nfs_server *server = NFS_SERVER(data->inode); 2557 struct nfs_server *server = NFS_SERVER(data->inode);
2554 2558
2555 data->args.bitmask = server->attr_bitmask; 2559 data->args.bitmask = server->cache_consistency_bitmask;
2556 data->res.server = server; 2560 data->res.server = server;
2557 data->timestamp = jiffies; 2561 data->timestamp = jiffies;
2558 2562
@@ -2575,7 +2579,7 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa
2575{ 2579{
2576 struct nfs_server *server = NFS_SERVER(data->inode); 2580 struct nfs_server *server = NFS_SERVER(data->inode);
2577 2581
2578 data->args.bitmask = server->attr_bitmask; 2582 data->args.bitmask = server->cache_consistency_bitmask;
2579 data->res.server = server; 2583 data->res.server = server;
2580 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT]; 2584 msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
2581} 2585}
@@ -3678,6 +3682,19 @@ ssize_t nfs4_listxattr(struct dentry *dentry, char *buf, size_t buflen)
3678 return len; 3682 return len;
3679} 3683}
3680 3684
3685static void nfs_fixup_referral_attributes(struct nfs_fattr *fattr)
3686{
3687 if (!((fattr->valid & NFS_ATTR_FATTR_FILEID) &&
3688 (fattr->valid & NFS_ATTR_FATTR_FSID) &&
3689 (fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL)))
3690 return;
3691
3692 fattr->valid |= NFS_ATTR_FATTR_TYPE | NFS_ATTR_FATTR_MODE |
3693 NFS_ATTR_FATTR_NLINK;
3694 fattr->mode = S_IFDIR | S_IRUGO | S_IXUGO;
3695 fattr->nlink = 2;
3696}
3697
3681int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name, 3698int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
3682 struct nfs4_fs_locations *fs_locations, struct page *page) 3699 struct nfs4_fs_locations *fs_locations, struct page *page)
3683{ 3700{
@@ -3704,6 +3721,7 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
3704 fs_locations->server = server; 3721 fs_locations->server = server;
3705 fs_locations->nlocations = 0; 3722 fs_locations->nlocations = 0;
3706 status = rpc_call_sync(server->client, &msg, 0); 3723 status = rpc_call_sync(server->client, &msg, 0);
3724 nfs_fixup_referral_attributes(&fs_locations->fattr);
3707 dprintk("%s: returned status = %d\n", __func__, status); 3725 dprintk("%s: returned status = %d\n", __func__, status);
3708 return status; 3726 return status;
3709} 3727}
@@ -3767,6 +3785,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
3767 .commit_done = nfs4_commit_done, 3785 .commit_done = nfs4_commit_done,
3768 .lock = nfs4_proc_lock, 3786 .lock = nfs4_proc_lock,
3769 .clear_acl_cache = nfs4_zap_acl_attr, 3787 .clear_acl_cache = nfs4_zap_acl_attr,
3788 .close_context = nfs4_close_context,
3770}; 3789};
3771 3790
3772/* 3791/*
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2022fe47966f..0298e909559f 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -62,8 +62,14 @@ static LIST_HEAD(nfs4_clientid_list);
62 62
63static int nfs4_init_client(struct nfs_client *clp, struct rpc_cred *cred) 63static int nfs4_init_client(struct nfs_client *clp, struct rpc_cred *cred)
64{ 64{
65 int status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, 65 unsigned short port;
66 nfs_callback_tcpport, cred); 66 int status;
67
68 port = nfs_callback_tcpport;
69 if (clp->cl_addr.ss_family == AF_INET6)
70 port = nfs_callback_tcpport6;
71
72 status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred);
67 if (status == 0) 73 if (status == 0)
68 status = nfs4_proc_setclientid_confirm(clp, cred); 74 status = nfs4_proc_setclientid_confirm(clp, cred);
69 if (status == 0) 75 if (status == 0)
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index d1e4c8f8a0a9..1690f0e44b91 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -522,20 +522,17 @@ static int nfs4_stat_to_errno(int);
522 decode_lookup_maxsz + \ 522 decode_lookup_maxsz + \
523 decode_fs_locations_maxsz) 523 decode_fs_locations_maxsz)
524 524
525static struct { 525static const umode_t nfs_type2fmt[] = {
526 unsigned int mode; 526 [NF4BAD] = 0,
527 unsigned int nfs2type; 527 [NF4REG] = S_IFREG,
528} nfs_type2fmt[] = { 528 [NF4DIR] = S_IFDIR,
529 { 0, NFNON }, 529 [NF4BLK] = S_IFBLK,
530 { S_IFREG, NFREG }, 530 [NF4CHR] = S_IFCHR,
531 { S_IFDIR, NFDIR }, 531 [NF4LNK] = S_IFLNK,
532 { S_IFBLK, NFBLK }, 532 [NF4SOCK] = S_IFSOCK,
533 { S_IFCHR, NFCHR }, 533 [NF4FIFO] = S_IFIFO,
534 { S_IFLNK, NFLNK }, 534 [NF4ATTRDIR] = 0,
535 { S_IFSOCK, NFSOCK }, 535 [NF4NAMEDATTR] = 0,
536 { S_IFIFO, NFFIFO },
537 { 0, NFNON },
538 { 0, NFNON },
539}; 536};
540 537
541struct compound_hdr { 538struct compound_hdr {
@@ -2160,6 +2157,7 @@ static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint3
2160static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) 2157static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
2161{ 2158{
2162 __be32 *p; 2159 __be32 *p;
2160 int ret = 0;
2163 2161
2164 *type = 0; 2162 *type = 0;
2165 if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) 2163 if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
@@ -2172,14 +2170,16 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *
2172 return -EIO; 2170 return -EIO;
2173 } 2171 }
2174 bitmap[0] &= ~FATTR4_WORD0_TYPE; 2172 bitmap[0] &= ~FATTR4_WORD0_TYPE;
2173 ret = NFS_ATTR_FATTR_TYPE;
2175 } 2174 }
2176 dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type].nfs2type); 2175 dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]);
2177 return 0; 2176 return ret;
2178} 2177}
2179 2178
2180static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) 2179static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
2181{ 2180{
2182 __be32 *p; 2181 __be32 *p;
2182 int ret = 0;
2183 2183
2184 *change = 0; 2184 *change = 0;
2185 if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) 2185 if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
@@ -2188,15 +2188,17 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
2188 READ_BUF(8); 2188 READ_BUF(8);
2189 READ64(*change); 2189 READ64(*change);
2190 bitmap[0] &= ~FATTR4_WORD0_CHANGE; 2190 bitmap[0] &= ~FATTR4_WORD0_CHANGE;
2191 ret = NFS_ATTR_FATTR_CHANGE;
2191 } 2192 }
2192 dprintk("%s: change attribute=%Lu\n", __func__, 2193 dprintk("%s: change attribute=%Lu\n", __func__,
2193 (unsigned long long)*change); 2194 (unsigned long long)*change);
2194 return 0; 2195 return ret;
2195} 2196}
2196 2197
2197static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) 2198static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
2198{ 2199{
2199 __be32 *p; 2200 __be32 *p;
2201 int ret = 0;
2200 2202
2201 *size = 0; 2203 *size = 0;
2202 if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) 2204 if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
@@ -2205,9 +2207,10 @@ static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *
2205 READ_BUF(8); 2207 READ_BUF(8);
2206 READ64(*size); 2208 READ64(*size);
2207 bitmap[0] &= ~FATTR4_WORD0_SIZE; 2209 bitmap[0] &= ~FATTR4_WORD0_SIZE;
2210 ret = NFS_ATTR_FATTR_SIZE;
2208 } 2211 }
2209 dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); 2212 dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size);
2210 return 0; 2213 return ret;
2211} 2214}
2212 2215
2213static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 2216static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2245,6 +2248,7 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap,
2245static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) 2248static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid)
2246{ 2249{
2247 __be32 *p; 2250 __be32 *p;
2251 int ret = 0;
2248 2252
2249 fsid->major = 0; 2253 fsid->major = 0;
2250 fsid->minor = 0; 2254 fsid->minor = 0;
@@ -2255,11 +2259,12 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs
2255 READ64(fsid->major); 2259 READ64(fsid->major);
2256 READ64(fsid->minor); 2260 READ64(fsid->minor);
2257 bitmap[0] &= ~FATTR4_WORD0_FSID; 2261 bitmap[0] &= ~FATTR4_WORD0_FSID;
2262 ret = NFS_ATTR_FATTR_FSID;
2258 } 2263 }
2259 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, 2264 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__,
2260 (unsigned long long)fsid->major, 2265 (unsigned long long)fsid->major,
2261 (unsigned long long)fsid->minor); 2266 (unsigned long long)fsid->minor);
2262 return 0; 2267 return ret;
2263} 2268}
2264 2269
2265static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 2270static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2297,6 +2302,7 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint
2297static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 2302static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
2298{ 2303{
2299 __be32 *p; 2304 __be32 *p;
2305 int ret = 0;
2300 2306
2301 *fileid = 0; 2307 *fileid = 0;
2302 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) 2308 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
@@ -2305,14 +2311,16 @@ static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
2305 READ_BUF(8); 2311 READ_BUF(8);
2306 READ64(*fileid); 2312 READ64(*fileid);
2307 bitmap[0] &= ~FATTR4_WORD0_FILEID; 2313 bitmap[0] &= ~FATTR4_WORD0_FILEID;
2314 ret = NFS_ATTR_FATTR_FILEID;
2308 } 2315 }
2309 dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 2316 dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
2310 return 0; 2317 return ret;
2311} 2318}
2312 2319
2313static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 2320static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
2314{ 2321{
2315 __be32 *p; 2322 __be32 *p;
2323 int ret = 0;
2316 2324
2317 *fileid = 0; 2325 *fileid = 0;
2318 if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) 2326 if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U)))
@@ -2321,9 +2329,10 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma
2321 READ_BUF(8); 2329 READ_BUF(8);
2322 READ64(*fileid); 2330 READ64(*fileid);
2323 bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 2331 bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
2332 ret = NFS_ATTR_FATTR_FILEID;
2324 } 2333 }
2325 dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 2334 dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
2326 return 0; 2335 return ret;
2327} 2336}
2328 2337
2329static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 2338static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2479,6 +2488,8 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
2479 if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) 2488 if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES)
2480 res->nlocations++; 2489 res->nlocations++;
2481 } 2490 }
2491 if (res->nlocations != 0)
2492 status = NFS_ATTR_FATTR_V4_REFERRAL;
2482out: 2493out:
2483 dprintk("%s: fs_locations done, error = %d\n", __func__, status); 2494 dprintk("%s: fs_locations done, error = %d\n", __func__, status);
2484 return status; 2495 return status;
@@ -2580,26 +2591,30 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32
2580 return status; 2591 return status;
2581} 2592}
2582 2593
2583static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) 2594static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode)
2584{ 2595{
2596 uint32_t tmp;
2585 __be32 *p; 2597 __be32 *p;
2598 int ret = 0;
2586 2599
2587 *mode = 0; 2600 *mode = 0;
2588 if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) 2601 if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
2589 return -EIO; 2602 return -EIO;
2590 if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { 2603 if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
2591 READ_BUF(4); 2604 READ_BUF(4);
2592 READ32(*mode); 2605 READ32(tmp);
2593 *mode &= ~S_IFMT; 2606 *mode = tmp & ~S_IFMT;
2594 bitmap[1] &= ~FATTR4_WORD1_MODE; 2607 bitmap[1] &= ~FATTR4_WORD1_MODE;
2608 ret = NFS_ATTR_FATTR_MODE;
2595 } 2609 }
2596 dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); 2610 dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode);
2597 return 0; 2611 return ret;
2598} 2612}
2599 2613
2600static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) 2614static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
2601{ 2615{
2602 __be32 *p; 2616 __be32 *p;
2617 int ret = 0;
2603 2618
2604 *nlink = 1; 2619 *nlink = 1;
2605 if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) 2620 if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
@@ -2608,15 +2623,17 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
2608 READ_BUF(4); 2623 READ_BUF(4);
2609 READ32(*nlink); 2624 READ32(*nlink);
2610 bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; 2625 bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
2626 ret = NFS_ATTR_FATTR_NLINK;
2611 } 2627 }
2612 dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); 2628 dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink);
2613 return 0; 2629 return ret;
2614} 2630}
2615 2631
2616static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) 2632static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid)
2617{ 2633{
2618 uint32_t len; 2634 uint32_t len;
2619 __be32 *p; 2635 __be32 *p;
2636 int ret = 0;
2620 2637
2621 *uid = -2; 2638 *uid = -2;
2622 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) 2639 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
@@ -2626,7 +2643,9 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
2626 READ32(len); 2643 READ32(len);
2627 READ_BUF(len); 2644 READ_BUF(len);
2628 if (len < XDR_MAX_NETOBJ) { 2645 if (len < XDR_MAX_NETOBJ) {
2629 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) 2646 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
2647 ret = NFS_ATTR_FATTR_OWNER;
2648 else
2630 dprintk("%s: nfs_map_name_to_uid failed!\n", 2649 dprintk("%s: nfs_map_name_to_uid failed!\n",
2631 __func__); 2650 __func__);
2632 } else 2651 } else
@@ -2635,13 +2654,14 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
2635 bitmap[1] &= ~FATTR4_WORD1_OWNER; 2654 bitmap[1] &= ~FATTR4_WORD1_OWNER;
2636 } 2655 }
2637 dprintk("%s: uid=%d\n", __func__, (int)*uid); 2656 dprintk("%s: uid=%d\n", __func__, (int)*uid);
2638 return 0; 2657 return ret;
2639} 2658}
2640 2659
2641static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) 2660static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid)
2642{ 2661{
2643 uint32_t len; 2662 uint32_t len;
2644 __be32 *p; 2663 __be32 *p;
2664 int ret = 0;
2645 2665
2646 *gid = -2; 2666 *gid = -2;
2647 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) 2667 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
@@ -2651,7 +2671,9 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
2651 READ32(len); 2671 READ32(len);
2652 READ_BUF(len); 2672 READ_BUF(len);
2653 if (len < XDR_MAX_NETOBJ) { 2673 if (len < XDR_MAX_NETOBJ) {
2654 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) 2674 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
2675 ret = NFS_ATTR_FATTR_GROUP;
2676 else
2655 dprintk("%s: nfs_map_group_to_gid failed!\n", 2677 dprintk("%s: nfs_map_group_to_gid failed!\n",
2656 __func__); 2678 __func__);
2657 } else 2679 } else
@@ -2660,13 +2682,14 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
2660 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; 2682 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
2661 } 2683 }
2662 dprintk("%s: gid=%d\n", __func__, (int)*gid); 2684 dprintk("%s: gid=%d\n", __func__, (int)*gid);
2663 return 0; 2685 return ret;
2664} 2686}
2665 2687
2666static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) 2688static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
2667{ 2689{
2668 uint32_t major = 0, minor = 0; 2690 uint32_t major = 0, minor = 0;
2669 __be32 *p; 2691 __be32 *p;
2692 int ret = 0;
2670 2693
2671 *rdev = MKDEV(0,0); 2694 *rdev = MKDEV(0,0);
2672 if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) 2695 if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
@@ -2681,9 +2704,10 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde
2681 if (MAJOR(tmp) == major && MINOR(tmp) == minor) 2704 if (MAJOR(tmp) == major && MINOR(tmp) == minor)
2682 *rdev = tmp; 2705 *rdev = tmp;
2683 bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; 2706 bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
2707 ret = NFS_ATTR_FATTR_RDEV;
2684 } 2708 }
2685 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); 2709 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor);
2686 return 0; 2710 return ret;
2687} 2711}
2688 2712
2689static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 2713static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2740,6 +2764,7 @@ static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uin
2740static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) 2764static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
2741{ 2765{
2742 __be32 *p; 2766 __be32 *p;
2767 int ret = 0;
2743 2768
2744 *used = 0; 2769 *used = 0;
2745 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) 2770 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
@@ -2748,10 +2773,11 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint
2748 READ_BUF(8); 2773 READ_BUF(8);
2749 READ64(*used); 2774 READ64(*used);
2750 bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; 2775 bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
2776 ret = NFS_ATTR_FATTR_SPACE_USED;
2751 } 2777 }
2752 dprintk("%s: space used=%Lu\n", __func__, 2778 dprintk("%s: space used=%Lu\n", __func__,
2753 (unsigned long long)*used); 2779 (unsigned long long)*used);
2754 return 0; 2780 return ret;
2755} 2781}
2756 2782
2757static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) 2783static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
@@ -2778,6 +2804,8 @@ static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, str
2778 return -EIO; 2804 return -EIO;
2779 if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { 2805 if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
2780 status = decode_attr_time(xdr, time); 2806 status = decode_attr_time(xdr, time);
2807 if (status == 0)
2808 status = NFS_ATTR_FATTR_ATIME;
2781 bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; 2809 bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
2782 } 2810 }
2783 dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); 2811 dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec);
@@ -2794,6 +2822,8 @@ static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, s
2794 return -EIO; 2822 return -EIO;
2795 if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { 2823 if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
2796 status = decode_attr_time(xdr, time); 2824 status = decode_attr_time(xdr, time);
2825 if (status == 0)
2826 status = NFS_ATTR_FATTR_CTIME;
2797 bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; 2827 bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
2798 } 2828 }
2799 dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); 2829 dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec);
@@ -2810,6 +2840,8 @@ static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, str
2810 return -EIO; 2840 return -EIO;
2811 if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { 2841 if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
2812 status = decode_attr_time(xdr, time); 2842 status = decode_attr_time(xdr, time);
2843 if (status == 0)
2844 status = NFS_ATTR_FATTR_MTIME;
2813 bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; 2845 bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
2814 } 2846 }
2815 dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); 2847 dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec);
@@ -2994,63 +3026,116 @@ static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, cons
2994 uint32_t attrlen, 3026 uint32_t attrlen,
2995 bitmap[2] = {0}, 3027 bitmap[2] = {0},
2996 type; 3028 type;
2997 int status, fmode = 0; 3029 int status;
3030 umode_t fmode = 0;
2998 uint64_t fileid; 3031 uint64_t fileid;
2999 3032
3000 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 3033 status = decode_op_hdr(xdr, OP_GETATTR);
3001 goto xdr_error; 3034 if (status < 0)
3002 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
3003 goto xdr_error; 3035 goto xdr_error;
3004 3036
3005 fattr->bitmap[0] = bitmap[0]; 3037 status = decode_attr_bitmap(xdr, bitmap);
3006 fattr->bitmap[1] = bitmap[1]; 3038 if (status < 0)
3039 goto xdr_error;
3007 3040
3008 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 3041 status = decode_attr_length(xdr, &attrlen, &savep);
3042 if (status < 0)
3009 goto xdr_error; 3043 goto xdr_error;
3010 3044
3011 3045
3012 if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) 3046 status = decode_attr_type(xdr, bitmap, &type);
3047 if (status < 0)
3013 goto xdr_error; 3048 goto xdr_error;
3014 fattr->type = nfs_type2fmt[type].nfs2type; 3049 fattr->mode = 0;
3015 fmode = nfs_type2fmt[type].mode; 3050 if (status != 0) {
3051 fattr->mode |= nfs_type2fmt[type];
3052 fattr->valid |= status;
3053 }
3016 3054
3017 if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) 3055 status = decode_attr_change(xdr, bitmap, &fattr->change_attr);
3056 if (status < 0)
3018 goto xdr_error; 3057 goto xdr_error;
3019 if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) 3058 fattr->valid |= status;
3059
3060 status = decode_attr_size(xdr, bitmap, &fattr->size);
3061 if (status < 0)
3020 goto xdr_error; 3062 goto xdr_error;
3021 if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) 3063 fattr->valid |= status;
3064
3065 status = decode_attr_fsid(xdr, bitmap, &fattr->fsid);
3066 if (status < 0)
3022 goto xdr_error; 3067 goto xdr_error;
3023 if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) 3068 fattr->valid |= status;
3069
3070 status = decode_attr_fileid(xdr, bitmap, &fattr->fileid);
3071 if (status < 0)
3024 goto xdr_error; 3072 goto xdr_error;
3025 if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, 3073 fattr->valid |= status;
3074
3075 status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
3026 struct nfs4_fs_locations, 3076 struct nfs4_fs_locations,
3027 fattr))) != 0) 3077 fattr));
3078 if (status < 0)
3028 goto xdr_error; 3079 goto xdr_error;
3029 if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0) 3080 fattr->valid |= status;
3081
3082 status = decode_attr_mode(xdr, bitmap, &fmode);
3083 if (status < 0)
3030 goto xdr_error; 3084 goto xdr_error;
3031 fattr->mode |= fmode; 3085 if (status != 0) {
3032 if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) 3086 fattr->mode |= fmode;
3087 fattr->valid |= status;
3088 }
3089
3090 status = decode_attr_nlink(xdr, bitmap, &fattr->nlink);
3091 if (status < 0)
3033 goto xdr_error; 3092 goto xdr_error;
3034 if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) 3093 fattr->valid |= status;
3094
3095 status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid);
3096 if (status < 0)
3035 goto xdr_error; 3097 goto xdr_error;
3036 if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) 3098 fattr->valid |= status;
3099
3100 status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid);
3101 if (status < 0)
3037 goto xdr_error; 3102 goto xdr_error;
3038 if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) 3103 fattr->valid |= status;
3104
3105 status = decode_attr_rdev(xdr, bitmap, &fattr->rdev);
3106 if (status < 0)
3039 goto xdr_error; 3107 goto xdr_error;
3040 if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) 3108 fattr->valid |= status;
3109
3110 status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used);
3111 if (status < 0)
3041 goto xdr_error; 3112 goto xdr_error;
3042 if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) 3113 fattr->valid |= status;
3114
3115 status = decode_attr_time_access(xdr, bitmap, &fattr->atime);
3116 if (status < 0)
3043 goto xdr_error; 3117 goto xdr_error;
3044 if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) 3118 fattr->valid |= status;
3119
3120 status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime);
3121 if (status < 0)
3045 goto xdr_error; 3122 goto xdr_error;
3046 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) 3123 fattr->valid |= status;
3124
3125 status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime);
3126 if (status < 0)
3047 goto xdr_error; 3127 goto xdr_error;
3048 if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) 3128 fattr->valid |= status;
3129
3130 status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid);
3131 if (status < 0)
3049 goto xdr_error; 3132 goto xdr_error;
3050 if (fattr->fileid == 0 && fileid != 0) 3133 if (status != 0 && !(fattr->valid & status)) {
3051 fattr->fileid = fileid; 3134 fattr->fileid = fileid;
3052 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) 3135 fattr->valid |= status;
3053 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; 3136 }
3137
3138 status = verify_attr_len(xdr, savep, attrlen);
3054xdr_error: 3139xdr_error:
3055 dprintk("%s: xdr returned %d\n", __func__, -status); 3140 dprintk("%s: xdr returned %d\n", __func__, -status);
3056 return status; 3141 return status;
@@ -4078,9 +4163,7 @@ static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_se
4078 status = decode_setattr(&xdr, res); 4163 status = decode_setattr(&xdr, res);
4079 if (status) 4164 if (status)
4080 goto out; 4165 goto out;
4081 status = decode_getfattr(&xdr, res->fattr, res->server); 4166 decode_getfattr(&xdr, res->fattr, res->server);
4082 if (status == NFS4ERR_DELAY)
4083 status = 0;
4084out: 4167out:
4085 return status; 4168 return status;
4086} 4169}
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 7f079209d70a..e2975939126a 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -176,17 +176,6 @@ void nfs_release_request(struct nfs_page *req)
176 kref_put(&req->wb_kref, nfs_free_request); 176 kref_put(&req->wb_kref, nfs_free_request);
177} 177}
178 178
179static int nfs_wait_bit_killable(void *word)
180{
181 int ret = 0;
182
183 if (fatal_signal_pending(current))
184 ret = -ERESTARTSYS;
185 else
186 schedule();
187 return ret;
188}
189
190/** 179/**
191 * nfs_wait_on_request - Wait for a request to complete. 180 * nfs_wait_on_request - Wait for a request to complete.
192 * @req: request to wait upon. 181 * @req: request to wait upon.
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 193465210d7c..7be72d90d49d 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -663,4 +663,5 @@ const struct nfs_rpc_ops nfs_v2_clientops = {
663 .commit_setup = nfs_proc_commit_setup, 663 .commit_setup = nfs_proc_commit_setup,
664 .lock = nfs_proc_lock, 664 .lock = nfs_proc_lock,
665 .lock_check_bounds = nfs_lock_check_bounds, 665 .lock_check_bounds = nfs_lock_check_bounds,
666 .close_context = nfs_close_context,
666}; 667};
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d6686f4786dc..0942fcbbad3c 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1018,6 +1018,7 @@ static int nfs_parse_mount_options(char *raw,
1018 case Opt_rdma: 1018 case Opt_rdma:
1019 mnt->flags |= NFS_MOUNT_TCP; /* for side protocols */ 1019 mnt->flags |= NFS_MOUNT_TCP; /* for side protocols */
1020 mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; 1020 mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA;
1021 xprt_load_transport(p);
1021 break; 1022 break;
1022 case Opt_acl: 1023 case Opt_acl:
1023 mnt->flags &= ~NFS_MOUNT_NOACL; 1024 mnt->flags &= ~NFS_MOUNT_NOACL;
@@ -1205,12 +1206,14 @@ static int nfs_parse_mount_options(char *raw,
1205 /* vector side protocols to TCP */ 1206 /* vector side protocols to TCP */
1206 mnt->flags |= NFS_MOUNT_TCP; 1207 mnt->flags |= NFS_MOUNT_TCP;
1207 mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; 1208 mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA;
1209 xprt_load_transport(string);
1208 break; 1210 break;
1209 default: 1211 default:
1210 errors++; 1212 errors++;
1211 dfprintk(MOUNT, "NFS: unrecognized " 1213 dfprintk(MOUNT, "NFS: unrecognized "
1212 "transport protocol\n"); 1214 "transport protocol\n");
1213 } 1215 }
1216 kfree(string);
1214 break; 1217 break;
1215 case Opt_mountproto: 1218 case Opt_mountproto:
1216 string = match_strdup(args); 1219 string = match_strdup(args);
@@ -1218,7 +1221,6 @@ static int nfs_parse_mount_options(char *raw,
1218 goto out_nomem; 1221 goto out_nomem;
1219 token = match_token(string, 1222 token = match_token(string,
1220 nfs_xprt_protocol_tokens, args); 1223 nfs_xprt_protocol_tokens, args);
1221 kfree(string);
1222 1224
1223 switch (token) { 1225 switch (token) {
1224 case Opt_xprt_udp: 1226 case Opt_xprt_udp:
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 9f9845859fc1..e560a78995a3 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -313,19 +313,34 @@ static int nfs_writepages_callback(struct page *page, struct writeback_control *
313int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc) 313int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
314{ 314{
315 struct inode *inode = mapping->host; 315 struct inode *inode = mapping->host;
316 unsigned long *bitlock = &NFS_I(inode)->flags;
316 struct nfs_pageio_descriptor pgio; 317 struct nfs_pageio_descriptor pgio;
317 int err; 318 int err;
318 319
320 /* Stop dirtying of new pages while we sync */
321 err = wait_on_bit_lock(bitlock, NFS_INO_FLUSHING,
322 nfs_wait_bit_killable, TASK_KILLABLE);
323 if (err)
324 goto out_err;
325
319 nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGES); 326 nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGES);
320 327
321 nfs_pageio_init_write(&pgio, inode, wb_priority(wbc)); 328 nfs_pageio_init_write(&pgio, inode, wb_priority(wbc));
322 err = write_cache_pages(mapping, wbc, nfs_writepages_callback, &pgio); 329 err = write_cache_pages(mapping, wbc, nfs_writepages_callback, &pgio);
323 nfs_pageio_complete(&pgio); 330 nfs_pageio_complete(&pgio);
331
332 clear_bit_unlock(NFS_INO_FLUSHING, bitlock);
333 smp_mb__after_clear_bit();
334 wake_up_bit(bitlock, NFS_INO_FLUSHING);
335
324 if (err < 0) 336 if (err < 0)
325 return err; 337 goto out_err;
326 if (pgio.pg_error < 0) 338 err = pgio.pg_error;
327 return pgio.pg_error; 339 if (err < 0)
340 goto out_err;
328 return 0; 341 return 0;
342out_err:
343 return err;
329} 344}
330 345
331/* 346/*
@@ -404,7 +419,6 @@ nfs_mark_request_commit(struct nfs_page *req)
404 struct nfs_inode *nfsi = NFS_I(inode); 419 struct nfs_inode *nfsi = NFS_I(inode);
405 420
406 spin_lock(&inode->i_lock); 421 spin_lock(&inode->i_lock);
407 nfsi->ncommit++;
408 set_bit(PG_CLEAN, &(req)->wb_flags); 422 set_bit(PG_CLEAN, &(req)->wb_flags);
409 radix_tree_tag_set(&nfsi->nfs_page_tree, 423 radix_tree_tag_set(&nfsi->nfs_page_tree,
410 req->wb_index, 424 req->wb_index,
@@ -524,6 +538,12 @@ static void nfs_cancel_commit_list(struct list_head *head)
524} 538}
525 539
526#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) 540#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
541static int
542nfs_need_commit(struct nfs_inode *nfsi)
543{
544 return radix_tree_tagged(&nfsi->nfs_page_tree, NFS_PAGE_TAG_COMMIT);
545}
546
527/* 547/*
528 * nfs_scan_commit - Scan an inode for commit requests 548 * nfs_scan_commit - Scan an inode for commit requests
529 * @inode: NFS inode to scan 549 * @inode: NFS inode to scan
@@ -538,16 +558,18 @@ static int
538nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages) 558nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages)
539{ 559{
540 struct nfs_inode *nfsi = NFS_I(inode); 560 struct nfs_inode *nfsi = NFS_I(inode);
541 int res = 0;
542 561
543 if (nfsi->ncommit != 0) { 562 if (!nfs_need_commit(nfsi))
544 res = nfs_scan_list(nfsi, dst, idx_start, npages, 563 return 0;
545 NFS_PAGE_TAG_COMMIT); 564
546 nfsi->ncommit -= res; 565 return nfs_scan_list(nfsi, dst, idx_start, npages, NFS_PAGE_TAG_COMMIT);
547 }
548 return res;
549} 566}
550#else 567#else
568static inline int nfs_need_commit(struct nfs_inode *nfsi)
569{
570 return 0;
571}
572
551static inline int nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages) 573static inline int nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages)
552{ 574{
553 return 0; 575 return 0;
@@ -820,7 +842,7 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
820 data->args.stable = NFS_UNSTABLE; 842 data->args.stable = NFS_UNSTABLE;
821 if (how & FLUSH_STABLE) { 843 if (how & FLUSH_STABLE) {
822 data->args.stable = NFS_DATA_SYNC; 844 data->args.stable = NFS_DATA_SYNC;
823 if (!NFS_I(inode)->ncommit) 845 if (!nfs_need_commit(NFS_I(inode)))
824 data->args.stable = NFS_FILE_SYNC; 846 data->args.stable = NFS_FILE_SYNC;
825 } 847 }
826 848
@@ -1425,18 +1447,13 @@ static int nfs_write_mapping(struct address_space *mapping, int how)
1425{ 1447{
1426 struct writeback_control wbc = { 1448 struct writeback_control wbc = {
1427 .bdi = mapping->backing_dev_info, 1449 .bdi = mapping->backing_dev_info,
1428 .sync_mode = WB_SYNC_NONE, 1450 .sync_mode = WB_SYNC_ALL,
1429 .nr_to_write = LONG_MAX, 1451 .nr_to_write = LONG_MAX,
1430 .range_start = 0, 1452 .range_start = 0,
1431 .range_end = LLONG_MAX, 1453 .range_end = LLONG_MAX,
1432 .for_writepages = 1, 1454 .for_writepages = 1,
1433 }; 1455 };
1434 int ret;
1435 1456
1436 ret = __nfs_write_mapping(mapping, &wbc, how);
1437 if (ret < 0)
1438 return ret;
1439 wbc.sync_mode = WB_SYNC_ALL;
1440 return __nfs_write_mapping(mapping, &wbc, how); 1457 return __nfs_write_mapping(mapping, &wbc, how);
1441} 1458}
1442 1459
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-11 15:31:58 -0400