NFS: Fix over-conservative attribute invalidation in nfs_update_inode()

We should always be declaring the attribute cache as valid after having
updated it.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 45633f9ad851..721e511f8ba9 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -978,8 +978,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 
         /* Are we racing with known updates of the metadata on the server? */
         data_stable = nfs_verify_change_attribute(inode, fattr->time_start);
-        if (data_stable)
-                nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATIME);
+        nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ATIME
+                        | NFS_INO_REVAL_PAGECACHE);
 
         /* Do atomic weak cache consistency updates */
         nfs_wcc_update_inode(inode, fattr);
@@ -1060,12 +1060,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
                         nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode);
                 nfsi->attrtimeo_timestamp = now;
         }
+        invalid &= ~NFS_INO_INVALID_ATTR;
         /* Don't invalidate the data if we were to blame */
         if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)
                                 || S_ISLNK(inode->i_mode)))
                 invalid &= ~NFS_INO_INVALID_DATA;
-        if (data_stable)
-                invalid &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE);
         if (!nfs_have_delegation(inode, FMODE_READ) ||
                         (nfsi->cache_validity & NFS_INO_REVAL_FORCED))
                 nfsi->cache_validity |= invalid;