diff options
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r-- | fs/nfs/inode.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index c1c7a9d78722..07fcf0b90669 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c | |||
@@ -257,6 +257,34 @@ nfs_init_locked(struct inode *inode, void *opaque) | |||
257 | return 0; | 257 | return 0; |
258 | } | 258 | } |
259 | 259 | ||
260 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL | ||
261 | struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags) | ||
262 | { | ||
263 | struct nfs4_label *label = NULL; | ||
264 | int minor_version = server->nfs_client->cl_minorversion; | ||
265 | |||
266 | if (minor_version < 2) | ||
267 | return label; | ||
268 | |||
269 | if (!(server->caps & NFS_CAP_SECURITY_LABEL)) | ||
270 | return label; | ||
271 | |||
272 | label = kzalloc(sizeof(struct nfs4_label), flags); | ||
273 | if (label == NULL) | ||
274 | return ERR_PTR(-ENOMEM); | ||
275 | |||
276 | label->label = kzalloc(NFS4_MAXLABELLEN, flags); | ||
277 | if (label->label == NULL) { | ||
278 | kfree(label); | ||
279 | return ERR_PTR(-ENOMEM); | ||
280 | } | ||
281 | label->len = NFS4_MAXLABELLEN; | ||
282 | |||
283 | return label; | ||
284 | } | ||
285 | EXPORT_SYMBOL_GPL(nfs4_label_alloc); | ||
286 | #endif | ||
287 | |||
260 | /* | 288 | /* |
261 | * This is our front-end to iget that looks up inodes by file handle | 289 | * This is our front-end to iget that looks up inodes by file handle |
262 | * instead of inode number. | 290 | * instead of inode number. |