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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>
This commit is contained in:
Trond Myklebust 2012-04-29 12:30:19 -04:00
parent b4b1eadf7c
commit 01da47bde7
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/inode.c
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@ -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;