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authorChris Zankel <chris@zankel.net>2015-08-30 02:55:58 +0300
committerChris Zankel <chris@zankel.net>2015-08-30 02:55:58 +0300
commit650c919798c71fb34b77a6f2ba03a06907f06a76 (patch)
treed1c60012d4d86846d25f1d0b783b5122c26a2e31 /fs/nfs/internal.h
parent895fb3159280fe7695b35ec7c87ec19e13ca5b6e (diff)
parent64291f7db5bd8150a74ad2036f1037e6a0428df2 (diff)
downloadlinux-650c919798c71fb34b77a6f2ba03a06907f06a76.tar.xz
Merge tag 'v4.2' into for_next
Linux 4.2
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 7e3c4604bea8..9b372b845f6a 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -296,6 +296,22 @@ extern struct rpc_procinfo nfs4_procedures[];
#ifdef CONFIG_NFS_V4_SECURITY_LABEL
extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags);
+static inline struct nfs4_label *
+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src)
+{
+ if (!dst || !src)
+ return NULL;
+
+ if (src->len > NFS4_MAXLABELLEN)
+ return NULL;
+
+ dst->lfs = src->lfs;
+ dst->pi = src->pi;
+ dst->len = src->len;
+ memcpy(dst->label, src->label, src->len);
+
+ return dst;
+}
static inline void nfs4_label_free(struct nfs4_label *label)
{
if (label) {
@@ -316,6 +332,11 @@ static inline void nfs4_label_free(void *label) {}
static inline void nfs_zap_label_cache_locked(struct nfs_inode *nfsi)
{
}
+static inline struct nfs4_label *
+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src)
+{
+ return NULL;
+}
#endif /* CONFIG_NFS_V4_SECURITY_LABEL */
/* proc.c */