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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-29 12:30:19 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-01 15:42:41 -0400
commit01da47bde78ff2149f6546a0f17e25983aaddd7b (patch)
tree6509cf6b64e79445757d1d6491c4bbac655dd038 /fs
parentb4b1eadf7c5f00636500ad47f68edc0666e63ea5 (diff)
NFS: Optimise away nfs_check_inode_attributes() when holding a delegation
We already know that the attribute cache is valid. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/inode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index fed27c0d1a4d..81946e77647c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -955,6 +955,8 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
unsigned long invalid = 0;
+ if (nfs_have_delegated_attributes(inode))
+ return 0;
/* Has the inode gone and changed behind our back? */
if ((fattr->valid & NFS_ATTR_FATTR_FILEID) && nfsi->fileid != fattr->fileid)
return -EIO;