NFS: Don't revalidate dentries on directory size or ctime changes
We only need to look at the mtime changes...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 8c53b7e..7fdaaf5 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1015,10 +1015,8 @@
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 @@
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);
}