aboutsummaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/lockd/host.c14
-rw-r--r--fs/lockd/mon.c44
-rw-r--r--fs/nfs/callback.c26
-rw-r--r--fs/nfs/client.c15
-rw-r--r--fs/nfs/file.c49
-rw-r--r--fs/nfs/inode.c92
-rw-r--r--fs/nfs/internal.h29
-rw-r--r--fs/nfs/mount_clnt.c83
-rw-r--r--fs/nfs/nfs4namespace.c8
-rw-r--r--fs/nfs/nfs4proc.c40
-rw-r--r--fs/nfs/nfs4xdr.c86
-rw-r--r--fs/nfs/super.c247
-rw-r--r--fs/nfs/write.c91
-rw-r--r--fs/nfsd/nfsctl.c21
14 files changed, 500 insertions, 345 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 99d737bd4325..7cb076ac6b45 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -87,18 +87,6 @@ static unsigned int nlm_hash_address(const struct sockaddr *sap)
87 return hash & (NLM_HOST_NRHASH - 1); 87 return hash & (NLM_HOST_NRHASH - 1);
88} 88}
89 89
90static void nlm_clear_port(struct sockaddr *sap)
91{
92 switch (sap->sa_family) {
93 case AF_INET:
94 ((struct sockaddr_in *)sap)->sin_port = 0;
95 break;
96 case AF_INET6:
97 ((struct sockaddr_in6 *)sap)->sin6_port = 0;
98 break;
99 }
100}
101
102/* 90/*
103 * Common host lookup routine for server & client 91 * Common host lookup routine for server & client
104 */ 92 */
@@ -177,7 +165,7 @@ static struct nlm_host *nlm_lookup_host(struct nlm_lookup_host_info *ni)
177 host->h_addrbuf = nsm->sm_addrbuf; 165 host->h_addrbuf = nsm->sm_addrbuf;
178 memcpy(nlm_addr(host), ni->sap, ni->salen); 166 memcpy(nlm_addr(host), ni->sap, ni->salen);
179 host->h_addrlen = ni->salen; 167 host->h_addrlen = ni->salen;
180 nlm_clear_port(nlm_addr(host)); 168 rpc_set_port(nlm_addr(host), 0);
181 memcpy(nlm_srcaddr(host), ni->src_sap, ni->src_len); 169 memcpy(nlm_srcaddr(host), ni->src_sap, ni->src_len);
182 host->h_version = ni->version; 170 host->h_version = ni->version;
183 host->h_proto = ni->protocol; 171 host->h_proto = ni->protocol;
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 7fce1b525849..30c933188dd7 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -61,43 +61,6 @@ static inline struct sockaddr *nsm_addr(const struct nsm_handle *nsm)
61 return (struct sockaddr *)&nsm->sm_addr; 61 return (struct sockaddr *)&nsm->sm_addr;
62} 62}
63 63
64static void nsm_display_ipv4_address(const struct sockaddr *sap, char *buf,
65 const size_t len)
66{
67 const struct sockaddr_in *sin = (struct sockaddr_in *)sap;
68 snprintf(buf, len, "%pI4", &sin->sin_addr.s_addr);
69}
70
71static void nsm_display_ipv6_address(const struct sockaddr *sap, char *buf,
72 const size_t len)
73{
74 const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
75
76 if (ipv6_addr_v4mapped(&sin6->sin6_addr))
77 snprintf(buf, len, "%pI4", &sin6->sin6_addr.s6_addr32[3]);
78 else if (sin6->sin6_scope_id != 0)
79 snprintf(buf, len, "%pI6%%%u", &sin6->sin6_addr,
80 sin6->sin6_scope_id);
81 else
82 snprintf(buf, len, "%pI6", &sin6->sin6_addr);
83}
84
85static void nsm_display_address(const struct sockaddr *sap,
86 char *buf, const size_t len)
87{
88 switch (sap->sa_family) {
89 case AF_INET:
90 nsm_display_ipv4_address(sap, buf, len);
91 break;
92 case AF_INET6:
93 nsm_display_ipv6_address(sap, buf, len);
94 break;
95 default:
96 snprintf(buf, len, "unsupported address family");
97 break;
98 }
99}
100
101static struct rpc_clnt *nsm_create(void) 64static struct rpc_clnt *nsm_create(void)
102{ 65{
103 struct sockaddr_in sin = { 66 struct sockaddr_in sin = {
@@ -307,8 +270,11 @@ static struct nsm_handle *nsm_create_handle(const struct sockaddr *sap,
307 memcpy(nsm_addr(new), sap, salen); 270 memcpy(nsm_addr(new), sap, salen);
308 new->sm_addrlen = salen; 271 new->sm_addrlen = salen;
309 nsm_init_private(new); 272 nsm_init_private(new);
310 nsm_display_address((const struct sockaddr *)&new->sm_addr, 273
311 new->sm_addrbuf, sizeof(new->sm_addrbuf)); 274 if (rpc_ntop(nsm_addr(new), new->sm_addrbuf,
275 sizeof(new->sm_addrbuf)) == 0)
276 (void)snprintf(new->sm_addrbuf, sizeof(new->sm_addrbuf),
277 "unsupported address family");
312 memcpy(new->sm_name, hostname, hostname_len); 278 memcpy(new->sm_name, hostname, hostname_len);
313 new->sm_name[hostname_len] = '\0'; 279 new->sm_name[hostname_len] = '\0';
314 280
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 7f604c7941fb..293fa0528a6e 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -43,21 +43,29 @@ static struct svc_program nfs4_callback_program;
43unsigned int nfs_callback_set_tcpport; 43unsigned int nfs_callback_set_tcpport;
44unsigned short nfs_callback_tcpport; 44unsigned short nfs_callback_tcpport;
45unsigned short nfs_callback_tcpport6; 45unsigned short nfs_callback_tcpport6;
46static const int nfs_set_port_min = 0; 46#define NFS_CALLBACK_MAXPORTNR (65535U)
47static const int nfs_set_port_max = 65535;
48 47
49static int param_set_port(const char *val, struct kernel_param *kp) 48static int param_set_portnr(const char *val, struct kernel_param *kp)
50{ 49{
51 char *endp; 50 unsigned long num;
52 int num = simple_strtol(val, &endp, 0); 51 int ret;
53 if (endp == val || *endp || num < nfs_set_port_min || num > nfs_set_port_max) 52
53 if (!val)
54 return -EINVAL;
55 ret = strict_strtoul(val, 0, &num);
56 if (ret == -EINVAL || num > NFS_CALLBACK_MAXPORTNR)
54 return -EINVAL; 57 return -EINVAL;
55 *((int *)kp->arg) = num; 58 *((unsigned int *)kp->arg) = num;
56 return 0; 59 return 0;
57} 60}
58 61
59module_param_call(callback_tcpport, param_set_port, param_get_int, 62static int param_get_portnr(char *buffer, struct kernel_param *kp)
60 &nfs_callback_set_tcpport, 0644); 63{
64 return param_get_uint(buffer, kp);
65}
66#define param_check_portnr(name, p) __param_check(name, p, unsigned int);
67
68module_param_named(callback_tcpport, nfs_callback_set_tcpport, portnr, 0644);
61 69
62/* 70/*
63 * This is the NFSv4 callback kernel thread. 71 * This is the NFSv4 callback kernel thread.
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8d25ccb2d51d..d36925f9b952 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -809,6 +809,9 @@ static int nfs_init_server(struct nfs_server *server,
809 /* Initialise the client representation from the mount data */ 809 /* Initialise the client representation from the mount data */
810 server->flags = data->flags; 810 server->flags = data->flags;
811 server->options = data->options; 811 server->options = data->options;
812 server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID|
813 NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|NFS_CAP_OWNER_GROUP|
814 NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME;
812 815
813 if (data->rsize) 816 if (data->rsize)
814 server->rsize = nfs_block_size(data->rsize, NULL); 817 server->rsize = nfs_block_size(data->rsize, NULL);
@@ -1074,10 +1077,6 @@ struct nfs_server *nfs_create_server(const struct nfs_parsed_mount_data *data,
1074 (unsigned long long) server->fsid.major, 1077 (unsigned long long) server->fsid.major,
1075 (unsigned long long) server->fsid.minor); 1078 (unsigned long long) server->fsid.minor);
1076 1079
1077 BUG_ON(!server->nfs_client);
1078 BUG_ON(!server->nfs_client->rpc_ops);
1079 BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
1080
1081 spin_lock(&nfs_client_lock); 1080 spin_lock(&nfs_client_lock);
1082 list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks); 1081 list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks);
1083 list_add_tail(&server->master_link, &nfs_volume_list); 1082 list_add_tail(&server->master_link, &nfs_volume_list);
@@ -1274,7 +1273,7 @@ static int nfs4_init_server(struct nfs_server *server,
1274 1273
1275 /* Initialise the client representation from the mount data */ 1274 /* Initialise the client representation from the mount data */
1276 server->flags = data->flags; 1275 server->flags = data->flags;
1277 server->caps |= NFS_CAP_ATOMIC_OPEN; 1276 server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR;
1278 server->options = data->options; 1277 server->options = data->options;
1279 1278
1280 /* Get a client record */ 1279 /* Get a client record */
@@ -1359,10 +1358,6 @@ struct nfs_server *nfs4_create_server(const struct nfs_parsed_mount_data *data,
1359 if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN) 1358 if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
1360 server->namelen = NFS4_MAXNAMLEN; 1359 server->namelen = NFS4_MAXNAMLEN;
1361 1360
1362 BUG_ON(!server->nfs_client);
1363 BUG_ON(!server->nfs_client->rpc_ops);
1364 BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
1365
1366 spin_lock(&nfs_client_lock); 1361 spin_lock(&nfs_client_lock);
1367 list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks); 1362 list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks);
1368 list_add_tail(&server->master_link, &nfs_volume_list); 1363 list_add_tail(&server->master_link, &nfs_volume_list);
@@ -1400,7 +1395,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
1400 1395
1401 /* Initialise the client representation from the parent server */ 1396 /* Initialise the client representation from the parent server */
1402 nfs_server_copy_userdata(server, parent_server); 1397 nfs_server_copy_userdata(server, parent_server);
1403 server->caps |= NFS_CAP_ATOMIC_OPEN; 1398 server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR;
1404 1399
1405 /* Get a client representation. 1400 /* Get a client representation.
1406 * Note: NFSv4 always uses TCP, */ 1401 * Note: NFSv4 always uses TCP, */
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 05062329b678..5021b75d2d1e 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -328,6 +328,42 @@ nfs_file_fsync(struct file *file, struct dentry *dentry, int datasync)
328} 328}
329 329
330/* 330/*
331 * Decide whether a read/modify/write cycle may be more efficient
332 * then a modify/write/read cycle when writing to a page in the
333 * page cache.
334 *
335 * The modify/write/read cycle may occur if a page is read before
336 * being completely filled by the writer. In this situation, the
337 * page must be completely written to stable storage on the server
338 * before it can be refilled by reading in the page from the server.
339 * This can lead to expensive, small, FILE_SYNC mode writes being
340 * done.
341 *
342 * It may be more efficient to read the page first if the file is
343 * open for reading in addition to writing, the page is not marked
344 * as Uptodate, it is not dirty or waiting to be committed,
345 * indicating that it was previously allocated and then modified,
346 * that there were valid bytes of data in that range of the file,
347 * and that the new data won't completely replace the old data in
348 * that range of the file.
349 */
350static int nfs_want_read_modify_write(struct file *file, struct page *page,
351 loff_t pos, unsigned len)
352{
353 unsigned int pglen = nfs_page_length(page);
354 unsigned int offset = pos & (PAGE_CACHE_SIZE - 1);
355 unsigned int end = offset + len;
356
357 if ((file->f_mode & FMODE_READ) && /* open for read? */
358 !PageUptodate(page) && /* Uptodate? */
359 !PagePrivate(page) && /* i/o request already? */
360 pglen && /* valid bytes of file? */
361 (end < pglen || offset)) /* replace all valid bytes? */
362 return 1;
363 return 0;
364}
365
366/*
331 * This does the "real" work of the write. We must allocate and lock the 367 * This does the "real" work of the write. We must allocate and lock the
332 * page to be sent back to the generic routine, which then copies the 368 * page to be sent back to the generic routine, which then copies the
333 * data from user space. 369 * data from user space.
@@ -340,15 +376,16 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping,
340 struct page **pagep, void **fsdata) 376 struct page **pagep, void **fsdata)
341{ 377{
342 int ret; 378 int ret;
343 pgoff_t index; 379 pgoff_t index = pos >> PAGE_CACHE_SHIFT;
344 struct page *page; 380 struct page *page;
345 index = pos >> PAGE_CACHE_SHIFT; 381 int once_thru = 0;
346 382
347 dfprintk(PAGECACHE, "NFS: write_begin(%s/%s(%ld), %u@%lld)\n", 383 dfprintk(PAGECACHE, "NFS: write_begin(%s/%s(%ld), %u@%lld)\n",
348 file->f_path.dentry->d_parent->d_name.name, 384 file->f_path.dentry->d_parent->d_name.name,
349 file->f_path.dentry->d_name.name, 385 file->f_path.dentry->d_name.name,
350 mapping->host->i_ino, len, (long long) pos); 386 mapping->host->i_ino, len, (long long) pos);
351 387
388start:
352 /* 389 /*
353 * Prevent starvation issues if someone is doing a consistency 390 * Prevent starvation issues if someone is doing a consistency
354 * sync-to-disk 391 * sync-to-disk
@@ -367,6 +404,13 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping,
367 if (ret) { 404 if (ret) {
368 unlock_page(page); 405 unlock_page(page);
369 page_cache_release(page); 406 page_cache_release(page);
407 } else if (!once_thru &&
408 nfs_want_read_modify_write(file, page, pos, len)) {
409 once_thru = 1;
410 ret = nfs_readpage(file, page);
411 page_cache_release(page);
412 if (!ret)
413 goto start;
370 } 414 }
371 return ret; 415 return ret;
372} 416}
@@ -479,6 +523,7 @@ const struct address_space_operations nfs_file_aops = {
479 .invalidatepage = nfs_invalidate_page, 523 .invalidatepage = nfs_invalidate_page,
480 .releasepage = nfs_release_page, 524 .releasepage = nfs_release_page,
481 .direct_IO = nfs_direct_IO, 525 .direct_IO = nfs_direct_IO,
526 .migratepage = nfs_migrate_page,
482 .launder_page = nfs_launder_page, 527 .launder_page = nfs_launder_page,
483}; 528};
484 529
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index bd7938eda6a8..fe5a8b45d867 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -286,6 +286,11 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
286 /* We can't support update_atime(), since the server will reset it */ 286 /* We can't support update_atime(), since the server will reset it */
287 inode->i_flags |= S_NOATIME|S_NOCMTIME; 287 inode->i_flags |= S_NOATIME|S_NOCMTIME;
288 inode->i_mode = fattr->mode; 288 inode->i_mode = fattr->mode;
289 if ((fattr->valid & NFS_ATTR_FATTR_MODE) == 0
290 && nfs_server_capable(inode, NFS_CAP_MODE))
291 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
292 | NFS_INO_INVALID_ACCESS
293 | NFS_INO_INVALID_ACL;
289 /* Why so? Because we want revalidate for devices/FIFOs, and 294 /* Why so? Because we want revalidate for devices/FIFOs, and
290 * that's precisely what we have in nfs_file_inode_operations. 295 * that's precisely what we have in nfs_file_inode_operations.
291 */ 296 */
@@ -330,20 +335,46 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
330 nfsi->attr_gencount = fattr->gencount; 335 nfsi->attr_gencount = fattr->gencount;
331 if (fattr->valid & NFS_ATTR_FATTR_ATIME) 336 if (fattr->valid & NFS_ATTR_FATTR_ATIME)
332 inode->i_atime = fattr->atime; 337 inode->i_atime = fattr->atime;
338 else if (nfs_server_capable(inode, NFS_CAP_ATIME))
339 nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
333 if (fattr->valid & NFS_ATTR_FATTR_MTIME) 340 if (fattr->valid & NFS_ATTR_FATTR_MTIME)
334 inode->i_mtime = fattr->mtime; 341 inode->i_mtime = fattr->mtime;
342 else if (nfs_server_capable(inode, NFS_CAP_MTIME))
343 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
344 | NFS_INO_INVALID_DATA;
335 if (fattr->valid & NFS_ATTR_FATTR_CTIME) 345 if (fattr->valid & NFS_ATTR_FATTR_CTIME)
336 inode->i_ctime = fattr->ctime; 346 inode->i_ctime = fattr->ctime;
347 else if (nfs_server_capable(inode, NFS_CAP_CTIME))
348 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
349 | NFS_INO_INVALID_ACCESS
350 | NFS_INO_INVALID_ACL;
337 if (fattr->valid & NFS_ATTR_FATTR_CHANGE) 351 if (fattr->valid & NFS_ATTR_FATTR_CHANGE)
338 nfsi->change_attr = fattr->change_attr; 352 nfsi->change_attr = fattr->change_attr;
353 else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR))
354 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
355 | NFS_INO_INVALID_DATA;
339 if (fattr->valid & NFS_ATTR_FATTR_SIZE) 356 if (fattr->valid & NFS_ATTR_FATTR_SIZE)
340 inode->i_size = nfs_size_to_loff_t(fattr->size); 357 inode->i_size = nfs_size_to_loff_t(fattr->size);
358 else
359 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
360 | NFS_INO_INVALID_DATA
361 | NFS_INO_REVAL_PAGECACHE;
341 if (fattr->valid & NFS_ATTR_FATTR_NLINK) 362 if (fattr->valid & NFS_ATTR_FATTR_NLINK)
342 inode->i_nlink = fattr->nlink; 363 inode->i_nlink = fattr->nlink;
364 else if (nfs_server_capable(inode, NFS_CAP_NLINK))
365 nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
343 if (fattr->valid & NFS_ATTR_FATTR_OWNER) 366 if (fattr->valid & NFS_ATTR_FATTR_OWNER)
344 inode->i_uid = fattr->uid; 367 inode->i_uid = fattr->uid;
368 else if (nfs_server_capable(inode, NFS_CAP_OWNER))
369 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
370 | NFS_INO_INVALID_ACCESS
371 | NFS_INO_INVALID_ACL;
345 if (fattr->valid & NFS_ATTR_FATTR_GROUP) 372 if (fattr->valid & NFS_ATTR_FATTR_GROUP)
346 inode->i_gid = fattr->gid; 373 inode->i_gid = fattr->gid;
374 else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
375 nfsi->cache_validity |= NFS_INO_INVALID_ATTR
376 | NFS_INO_INVALID_ACCESS
377 | NFS_INO_INVALID_ACL;
347 if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) 378 if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
348 inode->i_blocks = fattr->du.nfs2.blocks; 379 inode->i_blocks = fattr->du.nfs2.blocks;
349 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) { 380 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
@@ -1145,6 +1176,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1145 loff_t cur_isize, new_isize; 1176 loff_t cur_isize, new_isize;
1146 unsigned long invalid = 0; 1177 unsigned long invalid = 0;
1147 unsigned long now = jiffies; 1178 unsigned long now = jiffies;
1179 unsigned long save_cache_validity;
1148 1180
1149 dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n", 1181 dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n",
1150 __func__, inode->i_sb->s_id, inode->i_ino, 1182 __func__, inode->i_sb->s_id, inode->i_ino,
@@ -1171,10 +1203,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1171 */ 1203 */
1172 nfsi->read_cache_jiffies = fattr->time_start; 1204 nfsi->read_cache_jiffies = fattr->time_start;
1173 1205
1174 if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) || (fattr->valid & (NFS_ATTR_FATTR_MTIME|NFS_ATTR_FATTR_CTIME))) 1206 save_cache_validity = nfsi->cache_validity;
1175 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR 1207 nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR
1176 | NFS_INO_INVALID_ATIME 1208 | NFS_INO_INVALID_ATIME
1177 | NFS_INO_REVAL_PAGECACHE); 1209 | NFS_INO_REVAL_FORCED
1210 | NFS_INO_REVAL_PAGECACHE);
1178 1211
1179 /* Do atomic weak cache consistency updates */ 1212 /* Do atomic weak cache consistency updates */
1180 nfs_wcc_update_inode(inode, fattr); 1213 nfs_wcc_update_inode(inode, fattr);
@@ -1189,7 +1222,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1189 nfs_force_lookup_revalidate(inode); 1222 nfs_force_lookup_revalidate(inode);
1190 nfsi->change_attr = fattr->change_attr; 1223 nfsi->change_attr = fattr->change_attr;
1191 } 1224 }
1192 } 1225 } else if (server->caps & NFS_CAP_CHANGE_ATTR)
1226 invalid |= save_cache_validity;
1193 1227
1194 if (fattr->valid & NFS_ATTR_FATTR_MTIME) { 1228 if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
1195 /* NFSv2/v3: Check if the mtime agrees */ 1229 /* NFSv2/v3: Check if the mtime agrees */
@@ -1201,7 +1235,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1201 nfs_force_lookup_revalidate(inode); 1235 nfs_force_lookup_revalidate(inode);
1202 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); 1236 memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
1203 } 1237 }
1204 } 1238 } else if (server->caps & NFS_CAP_MTIME)
1239 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1240 | NFS_INO_INVALID_DATA
1241 | NFS_INO_REVAL_PAGECACHE
1242 | NFS_INO_REVAL_FORCED);
1243
1205 if (fattr->valid & NFS_ATTR_FATTR_CTIME) { 1244 if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
1206 /* If ctime has changed we should definitely clear access+acl caches */ 1245 /* If ctime has changed we should definitely clear access+acl caches */
1207 if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) { 1246 if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) {
@@ -1215,7 +1254,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1215 } 1254 }
1216 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); 1255 memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
1217 } 1256 }
1218 } 1257 } else if (server->caps & NFS_CAP_CTIME)
1258 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1259 | NFS_INO_INVALID_ACCESS
1260 | NFS_INO_INVALID_ACL
1261 | NFS_INO_REVAL_FORCED);
1219 1262
1220 /* Check if our cached file size is stale */ 1263 /* Check if our cached file size is stale */
1221 if (fattr->valid & NFS_ATTR_FATTR_SIZE) { 1264 if (fattr->valid & NFS_ATTR_FATTR_SIZE) {
@@ -1231,30 +1274,50 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1231 dprintk("NFS: isize change on server for file %s/%ld\n", 1274 dprintk("NFS: isize change on server for file %s/%ld\n",
1232 inode->i_sb->s_id, inode->i_ino); 1275 inode->i_sb->s_id, inode->i_ino);
1233 } 1276 }
1234 } 1277 } else
1278 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1279 | NFS_INO_REVAL_PAGECACHE
1280 | NFS_INO_REVAL_FORCED);
1235 1281
1236 1282
1237 if (fattr->valid & NFS_ATTR_FATTR_ATIME) 1283 if (fattr->valid & NFS_ATTR_FATTR_ATIME)
1238 memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime)); 1284 memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
1285 else if (server->caps & NFS_CAP_ATIME)
1286 invalid |= save_cache_validity & (NFS_INO_INVALID_ATIME
1287 | NFS_INO_REVAL_FORCED);
1239 1288
1240 if (fattr->valid & NFS_ATTR_FATTR_MODE) { 1289 if (fattr->valid & NFS_ATTR_FATTR_MODE) {
1241 if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) { 1290 if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) {
1242 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; 1291 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1243 inode->i_mode = fattr->mode; 1292 inode->i_mode = fattr->mode;
1244 } 1293 }
1245 } 1294 } else if (server->caps & NFS_CAP_MODE)
1295 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1296 | NFS_INO_INVALID_ACCESS
1297 | NFS_INO_INVALID_ACL
1298 | NFS_INO_REVAL_FORCED);
1299
1246 if (fattr->valid & NFS_ATTR_FATTR_OWNER) { 1300 if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
1247 if (inode->i_uid != fattr->uid) { 1301 if (inode->i_uid != fattr->uid) {
1248 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; 1302 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1249 inode->i_uid = fattr->uid; 1303 inode->i_uid = fattr->uid;
1250 } 1304 }
1251 } 1305 } else if (server->caps & NFS_CAP_OWNER)
1306 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1307 | NFS_INO_INVALID_ACCESS
1308 | NFS_INO_INVALID_ACL
1309 | NFS_INO_REVAL_FORCED);
1310
1252 if (fattr->valid & NFS_ATTR_FATTR_GROUP) { 1311 if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
1253 if (inode->i_gid != fattr->gid) { 1312 if (inode->i_gid != fattr->gid) {
1254 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; 1313 invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
1255 inode->i_gid = fattr->gid; 1314 inode->i_gid = fattr->gid;
1256 } 1315 }
1257 } 1316 } else if (server->caps & NFS_CAP_OWNER_GROUP)
1317 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1318 | NFS_INO_INVALID_ACCESS
1319 | NFS_INO_INVALID_ACL
1320 | NFS_INO_REVAL_FORCED);
1258 1321
1259 if (fattr->valid & NFS_ATTR_FATTR_NLINK) { 1322 if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
1260 if (inode->i_nlink != fattr->nlink) { 1323 if (inode->i_nlink != fattr->nlink) {
@@ -1263,7 +1326,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1263 invalid |= NFS_INO_INVALID_DATA; 1326 invalid |= NFS_INO_INVALID_DATA;
1264 inode->i_nlink = fattr->nlink; 1327 inode->i_nlink = fattr->nlink;
1265 } 1328 }
1266 } 1329 } else if (server->caps & NFS_CAP_NLINK)
1330 invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
1331 | NFS_INO_REVAL_FORCED);
1267 1332
1268 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) { 1333 if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
1269 /* 1334 /*
@@ -1293,9 +1358,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1293 || S_ISLNK(inode->i_mode))) 1358 || S_ISLNK(inode->i_mode)))
1294 invalid &= ~NFS_INO_INVALID_DATA; 1359 invalid &= ~NFS_INO_INVALID_DATA;
1295 if (!nfs_have_delegation(inode, FMODE_READ) || 1360 if (!nfs_have_delegation(inode, FMODE_READ) ||
1296 (nfsi->cache_validity & NFS_INO_REVAL_FORCED)) 1361 (save_cache_validity & NFS_INO_REVAL_FORCED))
1297 nfsi->cache_validity |= invalid; 1362 nfsi->cache_validity |= invalid;
1298 nfsi->cache_validity &= ~NFS_INO_REVAL_FORCED;
1299 1363
1300 return 0; 1364 return 0;
1301 out_changed: 1365 out_changed:
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 7dd90a6769d0..2e485677019c 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -102,6 +102,7 @@ struct nfs_mount_request {
102}; 102};
103 103
104extern int nfs_mount(struct nfs_mount_request *info); 104extern int nfs_mount(struct nfs_mount_request *info);
105extern void nfs_umount(const struct nfs_mount_request *info);
105 106
106/* client.c */ 107/* client.c */
107extern struct rpc_program nfs_program; 108extern struct rpc_program nfs_program;
@@ -213,7 +214,6 @@ void nfs_zap_acl_cache(struct inode *inode);
213extern int nfs_wait_bit_killable(void *word); 214extern int nfs_wait_bit_killable(void *word);
214 215
215/* super.c */ 216/* super.c */
216void nfs_parse_ip_address(char *, size_t, struct sockaddr *, size_t *);
217extern struct file_system_type nfs_xdev_fs_type; 217extern struct file_system_type nfs_xdev_fs_type;
218#ifdef CONFIG_NFS_V4 218#ifdef CONFIG_NFS_V4
219extern struct file_system_type nfs4_xdev_fs_type; 219extern struct file_system_type nfs4_xdev_fs_type;
@@ -248,6 +248,12 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
248 248
249/* write.c */ 249/* write.c */
250extern void nfs_write_prepare(struct rpc_task *task, void *calldata); 250extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
251#ifdef CONFIG_MIGRATION
252extern int nfs_migrate_page(struct address_space *,
253 struct page *, struct page *);
254#else
255#define nfs_migrate_page NULL
256#endif
251 257
252/* nfs4proc.c */ 258/* nfs4proc.c */
253extern int _nfs4_call_sync(struct nfs_server *server, 259extern int _nfs4_call_sync(struct nfs_server *server,
@@ -368,24 +374,3 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len)
368 return ((unsigned long)len + (unsigned long)base + 374 return ((unsigned long)len + (unsigned long)base +
369 PAGE_SIZE - 1) >> PAGE_SHIFT; 375 PAGE_SIZE - 1) >> PAGE_SHIFT;
370} 376}
371
372#define IPV6_SCOPE_DELIMITER '%'
373
374/*
375 * Set the port number in an address. Be agnostic about the address
376 * family.
377 */
378static inline void nfs_set_port(struct sockaddr *sap, unsigned short port)
379{
380 struct sockaddr_in *ap = (struct sockaddr_in *)sap;
381 struct sockaddr_in6 *ap6 = (struct sockaddr_in6 *)sap;
382
383 switch (sap->sa_family) {
384 case AF_INET:
385 ap->sin_port = htons(port);
386 break;
387 case AF_INET6:
388 ap6->sin6_port = htons(port);
389 break;
390 }
391}
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 38ef9eaec407..0adefc40cc89 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -209,6 +209,71 @@ out_mnt_err:
209 goto out; 209 goto out;
210} 210}
211 211
212/**
213 * nfs_umount - Notify a server that we have unmounted this export
214 * @info: pointer to umount request arguments
215 *
216 * MOUNTPROC_UMNT is advisory, so we set a short timeout, and always
217 * use UDP.
218 */
219void nfs_umount(const struct nfs_mount_request *info)
220{
221 static const struct rpc_timeout nfs_umnt_timeout = {
222 .to_initval = 1 * HZ,
223 .to_maxval = 3 * HZ,
224 .to_retries = 2,
225 };
226 struct rpc_create_args args = {
227 .protocol = IPPROTO_UDP,
228 .address = info->sap,
229 .addrsize = info->salen,
230 .timeout = &nfs_umnt_timeout,
231 .servername = info->hostname,
232 .program = &mnt_program,
233 .version = info->version,
234 .authflavor = RPC_AUTH_UNIX,
235 .flags = RPC_CLNT_CREATE_NOPING,
236 };
237 struct mountres result;
238 struct rpc_message msg = {
239 .rpc_argp = info->dirpath,
240 .rpc_resp = &result,
241 };
242 struct rpc_clnt *clnt;
243 int status;
244
245 if (info->noresvport)
246 args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
247
248 clnt = rpc_create(&args);
249 if (unlikely(IS_ERR(clnt)))
250 goto out_clnt_err;
251
252 dprintk("NFS: sending UMNT request for %s:%s\n",
253 (info->hostname ? info->hostname : "server"), info->dirpath);
254
255 if (info->version == NFS_MNT3_VERSION)
256 msg.rpc_proc = &clnt->cl_procinfo[MOUNTPROC3_UMNT];
257 else
258 msg.rpc_proc = &clnt->cl_procinfo[MOUNTPROC_UMNT];
259
260 status = rpc_call_sync(clnt, &msg, 0);
261 rpc_shutdown_client(clnt);
262
263 if (unlikely(status < 0))
264 goto out_call_err;
265
266 return;
267
268out_clnt_err:
269 dprintk("NFS: failed to create UMNT RPC client, status=%ld\n",
270 PTR_ERR(clnt));
271 return;
272
273out_call_err:
274 dprintk("NFS: UMNT request failed, status=%d\n", status);
275}
276
212/* 277/*
213 * XDR encode/decode functions for MOUNT 278 * XDR encode/decode functions for MOUNT
214 */ 279 */
@@ -258,7 +323,7 @@ static int decode_status(struct xdr_stream *xdr, struct mountres *res)
258 return -EIO; 323 return -EIO;
259 status = ntohl(*p); 324 status = ntohl(*p);
260 325
261 for (i = 0; i <= ARRAY_SIZE(mnt_errtbl); i++) { 326 for (i = 0; i < ARRAY_SIZE(mnt_errtbl); i++) {
262 if (mnt_errtbl[i].status == status) { 327 if (mnt_errtbl[i].status == status) {
263 res->errno = mnt_errtbl[i].errno; 328 res->errno = mnt_errtbl[i].errno;
264 return 0; 329 return 0;
@@ -309,7 +374,7 @@ static int decode_fhs_status(struct xdr_stream *xdr, struct mountres *res)
309 return -EIO; 374 return -EIO;
310 status = ntohl(*p); 375 status = ntohl(*p);
311 376
312 for (i = 0; i <= ARRAY_SIZE(mnt3_errtbl); i++) { 377 for (i = 0; i < ARRAY_SIZE(mnt3_errtbl); i++) {
313 if (mnt3_errtbl[i].status == status) { 378 if (mnt3_errtbl[i].status == status) {
314 res->errno = mnt3_errtbl[i].errno; 379 res->errno = mnt3_errtbl[i].errno;
315 return 0; 380 return 0;
@@ -407,6 +472,13 @@ static struct rpc_procinfo mnt_procedures[] = {
407 .p_statidx = MOUNTPROC_MNT, 472 .p_statidx = MOUNTPROC_MNT,
408 .p_name = "MOUNT", 473 .p_name = "MOUNT",
409 }, 474 },
475 [MOUNTPROC_UMNT] = {
476 .p_proc = MOUNTPROC_UMNT,
477 .p_encode = (kxdrproc_t)mnt_enc_dirpath,
478 .p_arglen = MNT_enc_dirpath_sz,
479 .p_statidx = MOUNTPROC_UMNT,
480 .p_name = "UMOUNT",
481 },
410}; 482};
411 483
412static struct rpc_procinfo mnt3_procedures[] = { 484static struct rpc_procinfo mnt3_procedures[] = {
@@ -419,6 +491,13 @@ static struct rpc_procinfo mnt3_procedures[] = {
419 .p_statidx = MOUNTPROC3_MNT, 491 .p_statidx = MOUNTPROC3_MNT,
420 .p_name = "MOUNT", 492 .p_name = "MOUNT",
421 }, 493 },
494 [MOUNTPROC3_UMNT] = {
495 .p_proc = MOUNTPROC3_UMNT,
496 .p_encode = (kxdrproc_t)mnt_enc_dirpath,
497 .p_arglen = MNT_enc_dirpath_sz,
498 .p_statidx = MOUNTPROC3_UMNT,
499 .p_name = "UMOUNT",
500 },
422}; 501};
423 502
424 503
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 2a2a0a7143ad..ef22ee89aa77 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -121,11 +121,11 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
121 121
122 if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len)) 122 if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len))
123 continue; 123 continue;
124 nfs_parse_ip_address(buf->data, buf->len, 124 mountdata->addrlen = rpc_pton(buf->data, buf->len,
125 mountdata->addr, &mountdata->addrlen); 125 mountdata->addr, mountdata->addrlen);
126 if (mountdata->addr->sa_family == AF_UNSPEC) 126 if (mountdata->addrlen == 0)
127 continue; 127 continue;
128 nfs_set_port(mountdata->addr, NFS_PORT); 128 rpc_set_port(mountdata->addr, NFS_PORT);
129 129
130 memcpy(page2, buf->data, buf->len); 130 memcpy(page2, buf->data, buf->len);
131 page2[buf->len] = '\0'; 131 page2[buf->len] = '\0';
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6917311f201c..be6544aef41f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -61,6 +61,8 @@
61#define NFS4_POLL_RETRY_MIN (HZ/10) 61#define NFS4_POLL_RETRY_MIN (HZ/10)
62#define NFS4_POLL_RETRY_MAX (15*HZ) 62#define NFS4_POLL_RETRY_MAX (15*HZ)
63 63
64#define NFS4_MAX_LOOP_ON_RECOVER (10)
65
64struct nfs4_opendata; 66struct nfs4_opendata;
65static int _nfs4_proc_open(struct nfs4_opendata *data); 67static int _nfs4_proc_open(struct nfs4_opendata *data);
66static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); 68static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
@@ -426,17 +428,19 @@ out:
426static int nfs4_recover_session(struct nfs4_session *session) 428static int nfs4_recover_session(struct nfs4_session *session)
427{ 429{
428 struct nfs_client *clp = session->clp; 430 struct nfs_client *clp = session->clp;
431 unsigned int loop;
429 int ret; 432 int ret;
430 433
431 for (;;) { 434 for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
432 ret = nfs4_wait_clnt_recover(clp); 435 ret = nfs4_wait_clnt_recover(clp);
433 if (ret != 0) 436 if (ret != 0)
434 return ret; 437 break;
435 if (!test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state)) 438 if (!test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state))
436 break; 439 break;
437 nfs4_schedule_state_manager(clp); 440 nfs4_schedule_state_manager(clp);
441 ret = -EIO;
438 } 442 }
439 return 0; 443 return ret;
440} 444}
441 445
442static int nfs41_setup_sequence(struct nfs4_session *session, 446static int nfs41_setup_sequence(struct nfs4_session *session,
@@ -1444,18 +1448,20 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
1444static int nfs4_recover_expired_lease(struct nfs_server *server) 1448static int nfs4_recover_expired_lease(struct nfs_server *server)
1445{ 1449{
1446 struct nfs_client *clp = server->nfs_client; 1450 struct nfs_client *clp = server->nfs_client;
1451 unsigned int loop;
1447 int ret; 1452 int ret;
1448 1453
1449 for (;;) { 1454 for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
1450 ret = nfs4_wait_clnt_recover(clp); 1455 ret = nfs4_wait_clnt_recover(clp);
1451 if (ret != 0) 1456 if (ret != 0)
1452 return ret; 1457 break;
1453 if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) && 1458 if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
1454 !test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state)) 1459 !test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state))
1455 break; 1460 break;
1456 nfs4_schedule_state_recovery(clp); 1461 nfs4_schedule_state_recovery(clp);
1462 ret = -EIO;
1457 } 1463 }
1458 return 0; 1464 return ret;
1459} 1465}
1460 1466
1461/* 1467/*
@@ -1997,12 +2003,34 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
1997 status = nfs4_call_sync(server, &msg, &args, &res, 0); 2003 status = nfs4_call_sync(server, &msg, &args, &res, 0);
1998 if (status == 0) { 2004 if (status == 0) {
1999 memcpy(server->attr_bitmask, res.attr_bitmask, sizeof(server->attr_bitmask)); 2005 memcpy(server->attr_bitmask, res.attr_bitmask, sizeof(server->attr_bitmask));
2006 server->caps &= ~(NFS_CAP_ACLS|NFS_CAP_HARDLINKS|
2007 NFS_CAP_SYMLINKS|NFS_CAP_FILEID|
2008 NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|
2009 NFS_CAP_OWNER_GROUP|NFS_CAP_ATIME|
2010 NFS_CAP_CTIME|NFS_CAP_MTIME);
2000 if (res.attr_bitmask[0] & FATTR4_WORD0_ACL) 2011 if (res.attr_bitmask[0] & FATTR4_WORD0_ACL)
2001 server->caps |= NFS_CAP_ACLS; 2012 server->caps |= NFS_CAP_ACLS;
2002 if (res.has_links != 0) 2013 if (res.has_links != 0)
2003 server->caps |= NFS_CAP_HARDLINKS; 2014 server->caps |= NFS_CAP_HARDLINKS;
2004 if (res.has_symlinks != 0) 2015 if (res.has_symlinks != 0)
2005 server->caps |= NFS_CAP_SYMLINKS; 2016 server->caps |= NFS_CAP_SYMLINKS;
2017 if (res.attr_bitmask[0] & FATTR4_WORD0_FILEID)
2018 server->caps |= NFS_CAP_FILEID;
2019 if (res.attr_bitmask[1] & FATTR4_WORD1_MODE)
2020 server->caps |= NFS_CAP_MODE;
2021 if (res.attr_bitmask[1] & FATTR4_WORD1_NUMLINKS)
2022 server->caps |= NFS_CAP_NLINK;
2023 if (res.attr_bitmask[1] & FATTR4_WORD1_OWNER)
2024 server->caps |= NFS_CAP_OWNER;
2025 if (res.attr_bitmask[1] & FATTR4_WORD1_OWNER_GROUP)
2026 server->caps |= NFS_CAP_OWNER_GROUP;
2027 if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_ACCESS)
2028 server->caps |= NFS_CAP_ATIME;
2029 if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_METADATA)
2030 server->caps |= NFS_CAP_CTIME;
2031 if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_MODIFY)
2032 server->caps |= NFS_CAP_MTIME;
2033
2006 memcpy(server->cache_consistency_bitmask, res.attr_bitmask, sizeof(server->cache_consistency_bitmask)); 2034 memcpy(server->cache_consistency_bitmask, res.attr_bitmask, sizeof(server->cache_consistency_bitmask));
2007 server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE; 2035 server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE;
2008 server->cache_consistency_bitmask[1] &= FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; 2036 server->cache_consistency_bitmask[1] &= FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 617273e7d47f..e65cc2e650c8 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -3075,7 +3075,8 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
3075 return ret; 3075 return ret;
3076} 3076}
3077 3077
3078static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) 3078static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
3079 struct nfs_client *clp, uint32_t *uid, int may_sleep)
3079{ 3080{
3080 uint32_t len; 3081 uint32_t len;
3081 __be32 *p; 3082 __be32 *p;
@@ -3088,7 +3089,9 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
3088 READ_BUF(4); 3089 READ_BUF(4);
3089 READ32(len); 3090 READ32(len);
3090 READ_BUF(len); 3091 READ_BUF(len);
3091 if (len < XDR_MAX_NETOBJ) { 3092 if (!may_sleep) {
3093 /* do nothing */
3094 } else if (len < XDR_MAX_NETOBJ) {
3092 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0) 3095 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
3093 ret = NFS_ATTR_FATTR_OWNER; 3096 ret = NFS_ATTR_FATTR_OWNER;
3094 else 3097 else
@@ -3103,7 +3106,8 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
3103 return ret; 3106 return ret;
3104} 3107}
3105 3108
3106static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) 3109static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
3110 struct nfs_client *clp, uint32_t *gid, int may_sleep)
3107{ 3111{
3108 uint32_t len; 3112 uint32_t len;
3109 __be32 *p; 3113 __be32 *p;
@@ -3116,7 +3120,9 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
3116 READ_BUF(4); 3120 READ_BUF(4);
3117 READ32(len); 3121 READ32(len);
3118 READ_BUF(len); 3122 READ_BUF(len);
3119 if (len < XDR_MAX_NETOBJ) { 3123 if (!may_sleep) {
3124 /* do nothing */
3125 } else if (len < XDR_MAX_NETOBJ) {
3120 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0) 3126 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
3121 ret = NFS_ATTR_FATTR_GROUP; 3127 ret = NFS_ATTR_FATTR_GROUP;
3122 else 3128 else
@@ -3466,7 +3472,8 @@ xdr_error:
3466 return status; 3472 return status;
3467} 3473}
3468 3474
3469static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) 3475static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr,
3476 const struct nfs_server *server, int may_sleep)
3470{ 3477{
3471 __be32 *savep; 3478 __be32 *savep;
3472 uint32_t attrlen, 3479 uint32_t attrlen,
@@ -3538,12 +3545,14 @@ static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, cons
3538 goto xdr_error; 3545 goto xdr_error;
3539 fattr->valid |= status; 3546 fattr->valid |= status;
3540 3547
3541 status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid); 3548 status = decode_attr_owner(xdr, bitmap, server->nfs_client,
3549 &fattr->uid, may_sleep);
3542 if (status < 0) 3550 if (status < 0)
3543 goto xdr_error; 3551 goto xdr_error;
3544 fattr->valid |= status; 3552 fattr->valid |= status;
3545 3553
3546 status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid); 3554 status = decode_attr_group(xdr, bitmap, server->nfs_client,
3555 &fattr->gid, may_sleep);
3547 if (status < 0) 3556 if (status < 0)
3548 goto xdr_error; 3557 goto xdr_error;
3549 fattr->valid |= status; 3558 fattr->valid |= status;
@@ -4370,7 +4379,8 @@ static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct
4370 status = decode_open_downgrade(&xdr, res); 4379 status = decode_open_downgrade(&xdr, res);
4371 if (status != 0) 4380 if (status != 0)
4372 goto out; 4381 goto out;
4373 decode_getfattr(&xdr, res->fattr, res->server); 4382 decode_getfattr(&xdr, res->fattr, res->server,
4383 !RPC_IS_ASYNC(rqstp->rq_task));
4374out: 4384out:
4375 return status; 4385 return status;
4376} 4386}
@@ -4397,7 +4407,8 @@ static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_ac
4397 status = decode_access(&xdr, res); 4407 status = decode_access(&xdr, res);
4398 if (status != 0) 4408 if (status != 0)
4399 goto out; 4409 goto out;
4400 decode_getfattr(&xdr, res->fattr, res->server); 4410 decode_getfattr(&xdr, res->fattr, res->server,
4411 !RPC_IS_ASYNC(rqstp->rq_task));
4401out: 4412out:
4402 return status; 4413 return status;
4403} 4414}
@@ -4424,7 +4435,8 @@ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lo
4424 goto out; 4435 goto out;
4425 if ((status = decode_getfh(&xdr, res->fh)) != 0) 4436 if ((status = decode_getfh(&xdr, res->fh)) != 0)
4426 goto out; 4437 goto out;
4427 status = decode_getfattr(&xdr, res->fattr, res->server); 4438 status = decode_getfattr(&xdr, res->fattr, res->server
4439 ,!RPC_IS_ASYNC(rqstp->rq_task));
4428out: 4440out:
4429 return status; 4441 return status;
4430} 4442}
@@ -4448,7 +4460,8 @@ static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nf
4448 if ((status = decode_putrootfh(&xdr)) != 0) 4460 if ((status = decode_putrootfh(&xdr)) != 0)
4449 goto out; 4461 goto out;
4450 if ((status = decode_getfh(&xdr, res->fh)) == 0) 4462 if ((status = decode_getfh(&xdr, res->fh)) == 0)
4451 status = decode_getfattr(&xdr, res->fattr, res->server); 4463 status = decode_getfattr(&xdr, res->fattr, res->server,
4464 !RPC_IS_ASYNC(rqstp->rq_task));
4452out: 4465out:
4453 return status; 4466 return status;
4454} 4467}
@@ -4473,7 +4486,8 @@ static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_rem
4473 goto out; 4486 goto out;
4474 if ((status = decode_remove(&xdr, &res->cinfo)) != 0) 4487 if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
4475 goto out; 4488 goto out;
4476 decode_getfattr(&xdr, &res->dir_attr, res->server); 4489 decode_getfattr(&xdr, &res->dir_attr, res->server,
4490 !RPC_IS_ASYNC(rqstp->rq_task));
4477out: 4491out:
4478 return status; 4492 return status;
4479} 4493}
@@ -4503,11 +4517,13 @@ static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_re
4503 if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) 4517 if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0)
4504 goto out; 4518 goto out;
4505 /* Current FH is target directory */ 4519 /* Current FH is target directory */
4506 if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) 4520 if (decode_getfattr(&xdr, res->new_fattr, res->server,
4521 !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
4507 goto out; 4522 goto out;
4508 if ((status = decode_restorefh(&xdr)) != 0) 4523 if ((status = decode_restorefh(&xdr)) != 0)
4509 goto out; 4524 goto out;
4510 decode_getfattr(&xdr, res->old_fattr, res->server); 4525 decode_getfattr(&xdr, res->old_fattr, res->server,
4526 !RPC_IS_ASYNC(rqstp->rq_task));
4511out: 4527out:
4512 return status; 4528 return status;
4513} 4529}
@@ -4540,11 +4556,13 @@ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link
4540 * Note order: OP_LINK leaves the directory as the current 4556 * Note order: OP_LINK leaves the directory as the current
4541 * filehandle. 4557 * filehandle.
4542 */ 4558 */
4543 if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) 4559 if (decode_getfattr(&xdr, res->dir_attr, res->server,
4560 !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
4544 goto out; 4561 goto out;
4545 if ((status = decode_restorefh(&xdr)) != 0) 4562 if ((status = decode_restorefh(&xdr)) != 0)
4546 goto out; 4563 goto out;
4547 decode_getfattr(&xdr, res->fattr, res->server); 4564 decode_getfattr(&xdr, res->fattr, res->server,
4565 !RPC_IS_ASYNC(rqstp->rq_task));
4548out: 4566out:
4549 return status; 4567 return status;
4550} 4568}
@@ -4573,11 +4591,13 @@ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_cr
4573 goto out; 4591 goto out;
4574 if ((status = decode_getfh(&xdr, res->fh)) != 0) 4592 if ((status = decode_getfh(&xdr, res->fh)) != 0)
4575 goto out; 4593 goto out;
4576 if (decode_getfattr(&xdr, res->fattr, res->server) != 0) 4594 if (decode_getfattr(&xdr, res->fattr, res->server,
4595 !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
4577 goto out; 4596 goto out;
4578 if ((status = decode_restorefh(&xdr)) != 0) 4597 if ((status = decode_restorefh(&xdr)) != 0)
4579 goto out; 4598 goto out;
4580 decode_getfattr(&xdr, res->dir_fattr, res->server); 4599 decode_getfattr(&xdr, res->dir_fattr, res->server,
4600 !RPC_IS_ASYNC(rqstp->rq_task));
4581out: 4601out:
4582 return status; 4602 return status;
4583} 4603}
@@ -4609,7 +4629,8 @@ static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_g
4609 status = decode_putfh(&xdr); 4629 status = decode_putfh(&xdr);
4610 if (status) 4630 if (status)
4611 goto out; 4631 goto out;
4612 status = decode_getfattr(&xdr, res->fattr, res->server); 4632 status = decode_getfattr(&xdr, res->fattr, res->server,
4633 !RPC_IS_ASYNC(rqstp->rq_task));
4613out: 4634out:
4614 return status; 4635 return status;
4615} 4636}
@@ -4716,7 +4737,8 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_clos
4716 * an ESTALE error. Shouldn't be a problem, 4737 * an ESTALE error. Shouldn't be a problem,
4717 * though, since fattr->valid will remain unset. 4738 * though, since fattr->valid will remain unset.
4718 */ 4739 */
4719 decode_getfattr(&xdr, res->fattr, res->server); 4740 decode_getfattr(&xdr, res->fattr, res->server,
4741 !RPC_IS_ASYNC(rqstp->rq_task));
4720out: 4742out:
4721 return status; 4743 return status;
4722} 4744}
@@ -4748,11 +4770,13 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openr
4748 goto out; 4770 goto out;
4749 if (decode_getfh(&xdr, &res->fh) != 0) 4771 if (decode_getfh(&xdr, &res->fh) != 0)
4750 goto out; 4772 goto out;
4751 if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) 4773 if (decode_getfattr(&xdr, res->f_attr, res->server,
4774 !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
4752 goto out; 4775 goto out;
4753 if (decode_restorefh(&xdr) != 0) 4776 if (decode_restorefh(&xdr) != 0)
4754 goto out; 4777 goto out;
4755 decode_getfattr(&xdr, res->dir_attr, res->server); 4778 decode_getfattr(&xdr, res->dir_attr, res->server,
4779 !RPC_IS_ASYNC(rqstp->rq_task));
4756out: 4780out:
4757 return status; 4781 return status;
4758} 4782}
@@ -4800,7 +4824,8 @@ static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nf
4800 status = decode_open(&xdr, res); 4824 status = decode_open(&xdr, res);
4801 if (status) 4825 if (status)
4802 goto out; 4826 goto out;
4803 decode_getfattr(&xdr, res->f_attr, res->server); 4827 decode_getfattr(&xdr, res->f_attr, res->server,
4828 !RPC_IS_ASYNC(rqstp->rq_task));
4804out: 4829out:
4805 return status; 4830 return status;
4806} 4831}
@@ -4827,7 +4852,8 @@ static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_se
4827 status = decode_setattr(&xdr); 4852 status = decode_setattr(&xdr);
4828 if (status) 4853 if (status)
4829 goto out; 4854 goto out;
4830 decode_getfattr(&xdr, res->fattr, res->server); 4855 decode_getfattr(&xdr, res->fattr, res->server,
4856 !RPC_IS_ASYNC(rqstp->rq_task));
4831out: 4857out:
4832 return status; 4858 return status;
4833} 4859}
@@ -5001,7 +5027,8 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writ
5001 status = decode_write(&xdr, res); 5027 status = decode_write(&xdr, res);
5002 if (status) 5028 if (status)
5003 goto out; 5029 goto out;
5004 decode_getfattr(&xdr, res->fattr, res->server); 5030 decode_getfattr(&xdr, res->fattr, res->server,
5031 !RPC_IS_ASYNC(rqstp->rq_task));
5005 if (!status) 5032 if (!status)
5006 status = res->count; 5033 status = res->count;
5007out: 5034out:
@@ -5030,7 +5057,8 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_wri
5030 status = decode_commit(&xdr, res); 5057 status = decode_commit(&xdr, res);
5031 if (status) 5058 if (status)
5032 goto out; 5059 goto out;
5033 decode_getfattr(&xdr, res->fattr, res->server); 5060 decode_getfattr(&xdr, res->fattr, res->server,
5061 !RPC_IS_ASYNC(rqstp->rq_task));
5034out: 5062out:
5035 return status; 5063 return status;
5036} 5064}
@@ -5194,7 +5222,8 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nf
5194 if (status != 0) 5222 if (status != 0)
5195 goto out; 5223 goto out;
5196 status = decode_delegreturn(&xdr); 5224 status = decode_delegreturn(&xdr);
5197 decode_getfattr(&xdr, res->fattr, res->server); 5225 decode_getfattr(&xdr, res->fattr, res->server,
5226 !RPC_IS_ASYNC(rqstp->rq_task));
5198out: 5227out:
5199 return status; 5228 return status;
5200} 5229}
@@ -5222,7 +5251,8 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p,
5222 goto out; 5251 goto out;
5223 xdr_enter_page(&xdr, PAGE_SIZE); 5252 xdr_enter_page(&xdr, PAGE_SIZE);
5224 status = decode_getfattr(&xdr, &res->fs_locations->fattr, 5253 status = decode_getfattr(&xdr, &res->fs_locations->fattr,
5225 res->fs_locations->server); 5254 res->fs_locations->server,
5255 !RPC_IS_ASYNC(req->rq_task));
5226out: 5256out:
5227 return status; 5257 return status;
5228} 5258}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 0b4cbdc60abd..9c85cdb353aa 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -158,7 +158,7 @@ static const match_table_t nfs_mount_option_tokens = {
158 { Opt_mountvers, "mountvers=%s" }, 158 { Opt_mountvers, "mountvers=%s" },
159 { Opt_nfsvers, "nfsvers=%s" }, 159 { Opt_nfsvers, "nfsvers=%s" },
160 { Opt_nfsvers, "vers=%s" }, 160 { Opt_nfsvers, "vers=%s" },
161 { Opt_minorversion, "minorversion=%u" }, 161 { Opt_minorversion, "minorversion=%s" },
162 162
163 { Opt_sec, "sec=%s" }, 163 { Opt_sec, "sec=%s" },
164 { Opt_proto, "proto=%s" }, 164 { Opt_proto, "proto=%s" },
@@ -742,129 +742,10 @@ static int nfs_verify_server_address(struct sockaddr *addr)
742 } 742 }
743 } 743 }
744 744
745 dfprintk(MOUNT, "NFS: Invalid IP address specified\n");
745 return 0; 746 return 0;
746} 747}
747 748
748static void nfs_parse_ipv4_address(char *string, size_t str_len,
749 struct sockaddr *sap, size_t *addr_len)
750{
751 struct sockaddr_in *sin = (struct sockaddr_in *)sap;
752 u8 *addr = (u8 *)&sin->sin_addr.s_addr;
753
754 if (str_len <= INET_ADDRSTRLEN) {
755 dfprintk(MOUNT, "NFS: parsing IPv4 address %*s\n",
756 (int)str_len, string);
757
758 sin->sin_family = AF_INET;
759 *addr_len = sizeof(*sin);
760 if (in4_pton(string, str_len, addr, '\0', NULL))
761 return;
762 }
763
764 sap->sa_family = AF_UNSPEC;
765 *addr_len = 0;
766}
767
768#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
769static int nfs_parse_ipv6_scope_id(const char *string, const size_t str_len,
770 const char *delim,
771 struct sockaddr_in6 *sin6)
772{
773 char *p;
774 size_t len;
775
776 if ((string + str_len) == delim)
777 return 1;
778
779 if (*delim != IPV6_SCOPE_DELIMITER)
780 return 0;
781
782 if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
783 return 0;
784
785 len = (string + str_len) - delim - 1;
786 p = kstrndup(delim + 1, len, GFP_KERNEL);
787 if (p) {
788 unsigned long scope_id = 0;
789 struct net_device *dev;
790
791 dev = dev_get_by_name(&init_net, p);
792 if (dev != NULL) {
793 scope_id = dev->ifindex;
794 dev_put(dev);
795 } else {
796 if (strict_strtoul(p, 10, &scope_id) == 0) {
797 kfree(p);
798 return 0;
799 }
800 }
801
802 kfree(p);
803
804 sin6->sin6_scope_id = scope_id;
805 dfprintk(MOUNT, "NFS: IPv6 scope ID = %lu\n", scope_id);
806 return 1;
807 }
808
809 return 0;
810}
811
812static void nfs_parse_ipv6_address(char *string, size_t str_len,
813 struct sockaddr *sap, size_t *addr_len)
814{
815 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
816 u8 *addr = (u8 *)&sin6->sin6_addr.in6_u;
817 const char *delim;
818
819 if (str_len <= INET6_ADDRSTRLEN) {
820 dfprintk(MOUNT, "NFS: parsing IPv6 address %*s\n",
821 (int)str_len, string);
822
823 sin6->sin6_family = AF_INET6;
824 *addr_len = sizeof(*sin6);
825 if (in6_pton(string, str_len, addr,
826 IPV6_SCOPE_DELIMITER, &delim) != 0) {
827 if (nfs_parse_ipv6_scope_id(string, str_len,
828 delim, sin6) != 0)
829 return;
830 }
831 }
832
833 sap->sa_family = AF_UNSPEC;
834 *addr_len = 0;
835}
836#else
837static void nfs_parse_ipv6_address(char *string, size_t str_len,
838 struct sockaddr *sap, size_t *addr_len)
839{
840 sap->sa_family = AF_UNSPEC;
841 *addr_len = 0;
842}
843#endif
844
845/*
846 * Construct a sockaddr based on the contents of a string that contains
847 * an IP address in presentation format.
848 *
849 * If there is a problem constructing the new sockaddr, set the address
850 * family to AF_UNSPEC.
851 */
852void nfs_parse_ip_address(char *string, size_t str_len,
853 struct sockaddr *sap, size_t *addr_len)
854{
855 unsigned int i, colons;
856
857 colons = 0;
858 for (i = 0; i < str_len; i++)
859 if (string[i] == ':')
860 colons++;
861
862 if (colons >= 2)
863 nfs_parse_ipv6_address(string, str_len, sap, addr_len);
864 else
865 nfs_parse_ipv4_address(string, str_len, sap, addr_len);
866}
867
868/* 749/*
869 * Sanity check the NFS transport protocol. 750 * Sanity check the NFS transport protocol.
870 * 751 *
@@ -904,8 +785,6 @@ static void nfs_set_mount_transport_protocol(struct nfs_parsed_mount_data *mnt)
904 785
905/* 786/*
906 * Parse the value of the 'sec=' option. 787 * Parse the value of the 'sec=' option.
907 *
908 * The flavor_len setting is for v4 mounts.
909 */ 788 */
910static int nfs_parse_security_flavors(char *value, 789static int nfs_parse_security_flavors(char *value,
911 struct nfs_parsed_mount_data *mnt) 790 struct nfs_parsed_mount_data *mnt)
@@ -916,53 +795,43 @@ static int nfs_parse_security_flavors(char *value,
916 795
917 switch (match_token(value, nfs_secflavor_tokens, args)) { 796 switch (match_token(value, nfs_secflavor_tokens, args)) {
918 case Opt_sec_none: 797 case Opt_sec_none:
919 mnt->auth_flavor_len = 0;
920 mnt->auth_flavors[0] = RPC_AUTH_NULL; 798 mnt->auth_flavors[0] = RPC_AUTH_NULL;
921 break; 799 break;
922 case Opt_sec_sys: 800 case Opt_sec_sys:
923 mnt->auth_flavor_len = 0;
924 mnt->auth_flavors[0] = RPC_AUTH_UNIX; 801 mnt->auth_flavors[0] = RPC_AUTH_UNIX;
925 break; 802 break;
926 case Opt_sec_krb5: 803 case Opt_sec_krb5:
927 mnt->auth_flavor_len = 1;
928 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5; 804 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5;
929 break; 805 break;
930 case Opt_sec_krb5i: 806 case Opt_sec_krb5i:
931 mnt->auth_flavor_len = 1;
932 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5I; 807 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5I;
933 break; 808 break;
934 case Opt_sec_krb5p: 809 case Opt_sec_krb5p:
935 mnt->auth_flavor_len = 1;
936 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5P; 810 mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5P;
937 break; 811 break;
938 case Opt_sec_lkey: 812 case Opt_sec_lkey:
939 mnt->auth_flavor_len = 1;
940 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEY; 813 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEY;
941 break; 814 break;
942 case Opt_sec_lkeyi: 815 case Opt_sec_lkeyi:
943 mnt->auth_flavor_len = 1;
944 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYI; 816 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYI;
945 break; 817 break;
946 case Opt_sec_lkeyp: 818 case Opt_sec_lkeyp:
947 mnt->auth_flavor_len = 1;
948 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYP; 819 mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYP;
949 break; 820 break;
950 case Opt_sec_spkm: 821 case Opt_sec_spkm:
951 mnt->auth_flavor_len = 1;
952 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKM; 822 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKM;
953 break; 823 break;
954 case Opt_sec_spkmi: 824 case Opt_sec_spkmi:
955 mnt->auth_flavor_len = 1;
956 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMI; 825 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMI;
957 break; 826 break;
958 case Opt_sec_spkmp: 827 case Opt_sec_spkmp:
959 mnt->auth_flavor_len = 1;
960 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMP; 828 mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMP;
961 break; 829 break;
962 default: 830 default:
963 return 0; 831 return 0;
964 } 832 }
965 833
834 mnt->auth_flavor_len = 1;
966 return 1; 835 return 1;
967} 836}
968 837
@@ -1001,7 +870,6 @@ static int nfs_parse_mount_options(char *raw,
1001 while ((p = strsep(&raw, ",")) != NULL) { 870 while ((p = strsep(&raw, ",")) != NULL) {
1002 substring_t args[MAX_OPT_ARGS]; 871 substring_t args[MAX_OPT_ARGS];
1003 unsigned long option; 872 unsigned long option;
1004 int int_option;
1005 int token; 873 int token;
1006 874
1007 if (!*p) 875 if (!*p)
@@ -1273,11 +1141,16 @@ static int nfs_parse_mount_options(char *raw,
1273 } 1141 }
1274 break; 1142 break;
1275 case Opt_minorversion: 1143 case Opt_minorversion:
1276 if (match_int(args, &int_option)) 1144 string = match_strdup(args);
1277 return 0; 1145 if (string == NULL)
1278 if (int_option < 0 || int_option > NFS4_MAX_MINOR_VERSION) 1146 goto out_nomem;
1279 return 0; 1147 rc = strict_strtoul(string, 10, &option);
1280 mnt->minorversion = int_option; 1148 kfree(string);
1149 if (rc != 0)
1150 goto out_invalid_value;
1151 if (option > NFS4_MAX_MINOR_VERSION)
1152 goto out_invalid_value;
1153 mnt->minorversion = option;
1281 break; 1154 break;
1282 1155
1283 /* 1156 /*
@@ -1352,11 +1225,14 @@ static int nfs_parse_mount_options(char *raw,
1352 string = match_strdup(args); 1225 string = match_strdup(args);
1353 if (string == NULL) 1226 if (string == NULL)
1354 goto out_nomem; 1227 goto out_nomem;
1355 nfs_parse_ip_address(string, strlen(string), 1228 mnt->nfs_server.addrlen =
1356 (struct sockaddr *) 1229 rpc_pton(string, strlen(string),
1357 &mnt->nfs_server.address, 1230 (struct sockaddr *)
1358 &mnt->nfs_server.addrlen); 1231 &mnt->nfs_server.address,
1232 sizeof(mnt->nfs_server.address));
1359 kfree(string); 1233 kfree(string);
1234 if (mnt->nfs_server.addrlen == 0)
1235 goto out_invalid_address;
1360 break; 1236 break;
1361 case Opt_clientaddr: 1237 case Opt_clientaddr:
1362 string = match_strdup(args); 1238 string = match_strdup(args);
@@ -1376,11 +1252,14 @@ static int nfs_parse_mount_options(char *raw,
1376 string = match_strdup(args); 1252 string = match_strdup(args);
1377 if (string == NULL) 1253 if (string == NULL)
1378 goto out_nomem; 1254 goto out_nomem;
1379 nfs_parse_ip_address(string, strlen(string), 1255 mnt->mount_server.addrlen =
1380 (struct sockaddr *) 1256 rpc_pton(string, strlen(string),
1381 &mnt->mount_server.address, 1257 (struct sockaddr *)
1382 &mnt->mount_server.addrlen); 1258 &mnt->mount_server.address,
1259 sizeof(mnt->mount_server.address));
1383 kfree(string); 1260 kfree(string);
1261 if (mnt->mount_server.addrlen == 0)
1262 goto out_invalid_address;
1384 break; 1263 break;
1385 case Opt_lookupcache: 1264 case Opt_lookupcache:
1386 string = match_strdup(args); 1265 string = match_strdup(args);
@@ -1432,8 +1311,11 @@ static int nfs_parse_mount_options(char *raw,
1432 1311
1433 return 1; 1312 return 1;
1434 1313
1314out_invalid_address:
1315 printk(KERN_INFO "NFS: bad IP address specified: %s\n", p);
1316 return 0;
1435out_invalid_value: 1317out_invalid_value:
1436 printk(KERN_INFO "NFS: bad mount option value specified: %s \n", p); 1318 printk(KERN_INFO "NFS: bad mount option value specified: %s\n", p);
1437 return 0; 1319 return 0;
1438out_nomem: 1320out_nomem:
1439 printk(KERN_INFO "NFS: not enough memory to parse option\n"); 1321 printk(KERN_INFO "NFS: not enough memory to parse option\n");
@@ -1445,13 +1327,50 @@ out_security_failure:
1445} 1327}
1446 1328
1447/* 1329/*
1330 * Match the requested auth flavors with the list returned by
1331 * the server. Returns zero and sets the mount's authentication
1332 * flavor on success; returns -EACCES if server does not support
1333 * the requested flavor.
1334 */
1335static int nfs_walk_authlist(struct nfs_parsed_mount_data *args,
1336 struct nfs_mount_request *request)
1337{
1338 unsigned int i, j, server_authlist_len = *(request->auth_flav_len);
1339
1340 /*
1341 * We avoid sophisticated negotiating here, as there are
1342 * plenty of cases where we can get it wrong, providing
1343 * either too little or too much security.
1344 *
1345 * RFC 2623, section 2.7 suggests we SHOULD prefer the
1346 * flavor listed first. However, some servers list
1347 * AUTH_NULL first. Our caller plants AUTH_SYS, the
1348 * preferred default, in args->auth_flavors[0] if user
1349 * didn't specify sec= mount option.
1350 */
1351 for (i = 0; i < args->auth_flavor_len; i++)
1352 for (j = 0; j < server_authlist_len; j++)
1353 if (args->auth_flavors[i] == request->auth_flavs[j]) {
1354 dfprintk(MOUNT, "NFS: using auth flavor %d\n",
1355 request->auth_flavs[j]);
1356 args->auth_flavors[0] = request->auth_flavs[j];
1357 return 0;
1358 }
1359
1360 dfprintk(MOUNT, "NFS: server does not support requested auth flavor\n");
1361 nfs_umount(request);
1362 return -EACCES;
1363}
1364
1365/*
1448 * Use the remote server's MOUNT service to request the NFS file handle 1366 * Use the remote server's MOUNT service to request the NFS file handle
1449 * corresponding to the provided path. 1367 * corresponding to the provided path.
1450 */ 1368 */
1451static int nfs_try_mount(struct nfs_parsed_mount_data *args, 1369static int nfs_try_mount(struct nfs_parsed_mount_data *args,
1452 struct nfs_fh *root_fh) 1370 struct nfs_fh *root_fh)
1453{ 1371{
1454 unsigned int auth_flavor_len = 0; 1372 rpc_authflavor_t server_authlist[NFS_MAX_SECFLAVORS];
1373 unsigned int server_authlist_len = ARRAY_SIZE(server_authlist);
1455 struct nfs_mount_request request = { 1374 struct nfs_mount_request request = {
1456 .sap = (struct sockaddr *) 1375 .sap = (struct sockaddr *)
1457 &args->mount_server.address, 1376 &args->mount_server.address,
@@ -1459,7 +1378,8 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
1459 .protocol = args->mount_server.protocol, 1378 .protocol = args->mount_server.protocol,
1460 .fh = root_fh, 1379 .fh = root_fh,
1461 .noresvport = args->flags & NFS_MOUNT_NORESVPORT, 1380 .noresvport = args->flags & NFS_MOUNT_NORESVPORT,
1462 .auth_flav_len = &auth_flavor_len, 1381 .auth_flav_len = &server_authlist_len,
1382 .auth_flavs = server_authlist,
1463 }; 1383 };
1464 int status; 1384 int status;
1465 1385
@@ -1489,19 +1409,25 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
1489 /* 1409 /*
1490 * autobind will be used if mount_server.port == 0 1410 * autobind will be used if mount_server.port == 0
1491 */ 1411 */
1492 nfs_set_port(request.sap, args->mount_server.port); 1412 rpc_set_port(request.sap, args->mount_server.port);
1493 1413
1494 /* 1414 /*
1495 * Now ask the mount server to map our export path 1415 * Now ask the mount server to map our export path
1496 * to a file handle. 1416 * to a file handle.
1497 */ 1417 */
1498 status = nfs_mount(&request); 1418 status = nfs_mount(&request);
1499 if (status == 0) 1419 if (status != 0) {
1500 return 0; 1420 dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n",
1421 request.hostname, status);
1422 return status;
1423 }
1501 1424
1502 dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n", 1425 /*
1503 request.hostname, status); 1426 * MNTv1 (NFSv2) does not support auth flavor negotiation.
1504 return status; 1427 */
1428 if (args->mount_server.version != NFS_MNT3_VERSION)
1429 return 0;
1430 return nfs_walk_authlist(args, &request);
1505} 1431}
1506 1432
1507static int nfs_parse_simple_hostname(const char *dev_name, 1433static int nfs_parse_simple_hostname(const char *dev_name,
@@ -1676,6 +1602,7 @@ static int nfs_validate_mount_data(void *options,
1676 args->nfs_server.port = 0; /* autobind unless user sets port */ 1602 args->nfs_server.port = 0; /* autobind unless user sets port */
1677 args->nfs_server.protocol = XPRT_TRANSPORT_TCP; 1603 args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
1678 args->auth_flavors[0] = RPC_AUTH_UNIX; 1604 args->auth_flavors[0] = RPC_AUTH_UNIX;
1605 args->auth_flavor_len = 1;
1679 1606
1680 switch (data->version) { 1607 switch (data->version) {
1681 case 1: 1608 case 1:
@@ -1776,7 +1703,7 @@ static int nfs_validate_mount_data(void *options,
1776 &args->nfs_server.address)) 1703 &args->nfs_server.address))
1777 goto out_no_address; 1704 goto out_no_address;
1778 1705
1779 nfs_set_port((struct sockaddr *)&args->nfs_server.address, 1706 rpc_set_port((struct sockaddr *)&args->nfs_server.address,
1780 args->nfs_server.port); 1707 args->nfs_server.port);
1781 1708
1782 nfs_set_mount_transport_protocol(args); 1709 nfs_set_mount_transport_protocol(args);
@@ -2339,7 +2266,7 @@ static int nfs4_validate_mount_data(void *options,
2339 args->acdirmax = NFS_DEF_ACDIRMAX; 2266 args->acdirmax = NFS_DEF_ACDIRMAX;
2340 args->nfs_server.port = NFS_PORT; /* 2049 unless user set port= */ 2267 args->nfs_server.port = NFS_PORT; /* 2049 unless user set port= */
2341 args->auth_flavors[0] = RPC_AUTH_UNIX; 2268 args->auth_flavors[0] = RPC_AUTH_UNIX;
2342 args->auth_flavor_len = 0; 2269 args->auth_flavor_len = 1;
2343 args->minorversion = 0; 2270 args->minorversion = 0;
2344 2271
2345 switch (data->version) { 2272 switch (data->version) {
@@ -2409,7 +2336,7 @@ static int nfs4_validate_mount_data(void *options,
2409 &args->nfs_server.address)) 2336 &args->nfs_server.address))
2410 return -EINVAL; 2337 return -EINVAL;
2411 2338
2412 nfs_set_port((struct sockaddr *)&args->nfs_server.address, 2339 rpc_set_port((struct sockaddr *)&args->nfs_server.address,
2413 args->nfs_server.port); 2340 args->nfs_server.port);
2414 2341
2415 nfs_validate_transport_protocol(args); 2342 nfs_validate_transport_protocol(args);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 0a0a2ff767c3..6240e644f249 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -13,6 +13,7 @@
13#include <linux/file.h> 13#include <linux/file.h>
14#include <linux/writeback.h> 14#include <linux/writeback.h>
15#include <linux/swap.h> 15#include <linux/swap.h>
16#include <linux/migrate.h>
16 17
17#include <linux/sunrpc/clnt.h> 18#include <linux/sunrpc/clnt.h>
18#include <linux/nfs_fs.h> 19#include <linux/nfs_fs.h>
@@ -26,6 +27,7 @@
26#include "internal.h" 27#include "internal.h"
27#include "iostat.h" 28#include "iostat.h"
28#include "nfs4_fs.h" 29#include "nfs4_fs.h"
30#include "fscache.h"
29 31
30#define NFSDBG_FACILITY NFSDBG_PAGECACHE 32#define NFSDBG_FACILITY NFSDBG_PAGECACHE
31 33
@@ -220,24 +222,17 @@ static void nfs_end_page_writeback(struct page *page)
220 clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); 222 clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC);
221} 223}
222 224
223/* 225static struct nfs_page *nfs_find_and_lock_request(struct page *page)
224 * Find an associated nfs write request, and prepare to flush it out
225 * May return an error if the user signalled nfs_wait_on_request().
226 */
227static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
228 struct page *page)
229{ 226{
230 struct inode *inode = page->mapping->host; 227 struct inode *inode = page->mapping->host;
231 struct nfs_page *req; 228 struct nfs_page *req;
232 int ret; 229 int ret;
233 230
234 spin_lock(&inode->i_lock); 231 spin_lock(&inode->i_lock);
235 for(;;) { 232 for (;;) {
236 req = nfs_page_find_request_locked(page); 233 req = nfs_page_find_request_locked(page);
237 if (req == NULL) { 234 if (req == NULL)
238 spin_unlock(&inode->i_lock); 235 break;
239 return 0;
240 }
241 if (nfs_set_page_tag_locked(req)) 236 if (nfs_set_page_tag_locked(req))
242 break; 237 break;
243 /* Note: If we hold the page lock, as is the case in nfs_writepage, 238 /* Note: If we hold the page lock, as is the case in nfs_writepage,
@@ -249,23 +244,40 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
249 ret = nfs_wait_on_request(req); 244 ret = nfs_wait_on_request(req);
250 nfs_release_request(req); 245 nfs_release_request(req);
251 if (ret != 0) 246 if (ret != 0)
252 return ret; 247 return ERR_PTR(ret);
253 spin_lock(&inode->i_lock); 248 spin_lock(&inode->i_lock);
254 } 249 }
255 if (test_bit(PG_CLEAN, &req->wb_flags)) {
256 spin_unlock(&inode->i_lock);
257 BUG();
258 }
259 if (nfs_set_page_writeback(page) != 0) {
260 spin_unlock(&inode->i_lock);
261 BUG();
262 }
263 spin_unlock(&inode->i_lock); 250 spin_unlock(&inode->i_lock);
251 return req;
252}
253
254/*
255 * Find an associated nfs write request, and prepare to flush it out
256 * May return an error if the user signalled nfs_wait_on_request().
257 */
258static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
259 struct page *page)
260{
261 struct nfs_page *req;
262 int ret = 0;
263
264 req = nfs_find_and_lock_request(page);
265 if (!req)
266 goto out;
267 ret = PTR_ERR(req);
268 if (IS_ERR(req))
269 goto out;
270
271 ret = nfs_set_page_writeback(page);
272 BUG_ON(ret != 0);
273 BUG_ON(test_bit(PG_CLEAN, &req->wb_flags));
274
264 if (!nfs_pageio_add_request(pgio, req)) { 275 if (!nfs_pageio_add_request(pgio, req)) {
265 nfs_redirty_request(req); 276 nfs_redirty_request(req);
266 return pgio->pg_error; 277 ret = pgio->pg_error;
267 } 278 }
268 return 0; 279out:
280 return ret;
269} 281}
270 282
271static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, struct nfs_pageio_descriptor *pgio) 283static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, struct nfs_pageio_descriptor *pgio)
@@ -1582,6 +1594,41 @@ int nfs_wb_page(struct inode *inode, struct page* page)
1582 return nfs_wb_page_priority(inode, page, FLUSH_STABLE); 1594 return nfs_wb_page_priority(inode, page, FLUSH_STABLE);
1583} 1595}
1584 1596
1597#ifdef CONFIG_MIGRATION
1598int nfs_migrate_page(struct address_space *mapping, struct page *newpage,
1599 struct page *page)
1600{
1601 struct nfs_page *req;
1602 int ret;
1603
1604 if (PageFsCache(page))
1605 nfs_fscache_release_page(page, GFP_KERNEL);
1606
1607 req = nfs_find_and_lock_request(page);
1608 ret = PTR_ERR(req);
1609 if (IS_ERR(req))
1610 goto out;
1611
1612 ret = migrate_page(mapping, newpage, page);
1613 if (!req)
1614 goto out;
1615 if (ret)
1616 goto out_unlock;
1617 page_cache_get(newpage);
1618 req->wb_page = newpage;
1619 SetPagePrivate(newpage);
1620 set_page_private(newpage, page_private(page));
1621 ClearPagePrivate(page);
1622 set_page_private(page, 0);
1623 page_cache_release(page);
1624out_unlock:
1625 nfs_clear_page_tag_locked(req);
1626 nfs_release_request(req);
1627out:
1628 return ret;
1629}
1630#endif
1631
1585int __init nfs_init_writepagecache(void) 1632int __init nfs_init_writepagecache(void)
1586{ 1633{
1587 nfs_wdata_cachep = kmem_cache_create("nfs_write_data", 1634 nfs_wdata_cachep = kmem_cache_create("nfs_write_data",
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 6d0847562d87..7e906c5b7671 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -37,6 +37,7 @@
37#include <linux/nfsd/xdr.h> 37#include <linux/nfsd/xdr.h>
38#include <linux/nfsd/syscall.h> 38#include <linux/nfsd/syscall.h>
39#include <linux/lockd/lockd.h> 39#include <linux/lockd/lockd.h>
40#include <linux/sunrpc/clnt.h>
40 41
41#include <asm/uaccess.h> 42#include <asm/uaccess.h>
42#include <net/ipv6.h> 43#include <net/ipv6.h>
@@ -490,22 +491,18 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size)
490 * 491 *
491 * Input: 492 * Input:
492 * buf: '\n'-terminated C string containing a 493 * buf: '\n'-terminated C string containing a
493 * presentation format IPv4 address 494 * presentation format IP address
494 * size: length of C string in @buf 495 * size: length of C string in @buf
495 * Output: 496 * Output:
496 * On success: returns zero if all specified locks were released; 497 * On success: returns zero if all specified locks were released;
497 * returns one if one or more locks were not released 498 * returns one if one or more locks were not released
498 * On error: return code is negative errno value 499 * On error: return code is negative errno value
499 *
500 * Note: Only AF_INET client addresses are passed in
501 */ 500 */
502static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size) 501static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size)
503{ 502{
504 struct sockaddr_in sin = { 503 struct sockaddr_storage address;
505 .sin_family = AF_INET, 504 struct sockaddr *sap = (struct sockaddr *)&address;
506 }; 505 size_t salen = sizeof(address);
507 int b1, b2, b3, b4;
508 char c;
509 char *fo_path; 506 char *fo_path;
510 507
511 /* sanity check */ 508 /* sanity check */
@@ -519,14 +516,10 @@ static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size)
519 if (qword_get(&buf, fo_path, size) < 0) 516 if (qword_get(&buf, fo_path, size) < 0)
520 return -EINVAL; 517 return -EINVAL;
521 518
522 /* get ipv4 address */ 519 if (rpc_pton(fo_path, size, sap, salen) == 0)
523 if (sscanf(fo_path, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) != 4)
524 return -EINVAL;
525 if (b1 > 255 || b2 > 255 || b3 > 255 || b4 > 255)
526 return -EINVAL; 520 return -EINVAL;
527 sin.sin_addr.s_addr = htonl((b1 << 24) | (b2 << 16) | (b3 << 8) | b4);
528 521
529 return nlmsvc_unlock_all_by_ip((struct sockaddr *)&sin); 522 return nlmsvc_unlock_all_by_ip(sap);
530} 523}
531 524
532/** 525/**
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-11 11:22:09 -0400