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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-04-29 12:30:19 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-01 15:42:41 -0400 |
| commit | 01da47bde78ff2149f6546a0f17e25983aaddd7b (patch) | |
| tree | 6509cf6b64e79445757d1d6491c4bbac655dd038 /fs/nfs/inode.c | |
| parent | b4b1eadf7c5f00636500ad47f68edc0666e63ea5 (diff) | |
| download | lwn-01da47bde78ff2149f6546a0f17e25983aaddd7b.tar.gz lwn-01da47bde78ff2149f6546a0f17e25983aaddd7b.zip | |
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/nfs/inode.c')
| -rw-r--r-- | fs/nfs/inode.c | 2 |
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; |