NFS: Don't force a revalidation of all attributes if change is missing

Even if the change attribute is missing, it is still OK to mark the other
attributes as being up to date.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 9da00b2..5a721c3 100644 (file)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1813,7 +1813,10 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
                        inode_set_iversion_raw(inode, fattr->change_attr);
                }
        } else {
-               nfsi->cache_validity |= save_cache_validity;
+               nfsi->cache_validity |= save_cache_validity &
+                               (NFS_INO_INVALID_ATTR
+                               | NFS_INO_REVAL_PAGECACHE
+                               | NFS_INO_REVAL_FORCED);
                cache_revalidated = false;
        }