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NFS: Don't revalidate dentries on directory size or ctime changes

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We only need to look at the mtime changes...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-10-01 09:56:59 -04:00
parent 2f78e4313a
commit 12b373ebf0
1 changed files with 1 additions and 4 deletions
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5
fs/nfs/inode.c
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@ -1015,10 +1015,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfsi->cache_change_attribute = now;
}
/* If ctime has changed we should definitely clear access+acl caches */
if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) {
if (!timespec_equal(&inode->i_ctime, &fattr->ctime))
invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
nfsi->cache_change_attribute = now;
}
} else if (nfsi->change_attr != fattr->change_attr) {
dprintk("NFS: change_attr change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
@ -1036,7 +1034,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_size = new_isize;
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
}
nfsi->cache_change_attribute = now;
dprintk("NFS: isize change on server for file %s/%ld\n",
inode->i_sb->s_id, inode->i_ino);
}