NFS: Use delegations to optimise ACCESS calls

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

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ff167aa62434..ed7024c34885 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1797,7 +1797,8 @@ static int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, str
         cache = nfs_access_search_rbtree(inode, cred);
         if (cache == NULL)
                 goto out;
-        if (!time_in_range(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo))
+        if (!nfs_have_delegation(inode, FMODE_READ) &&
+            !time_in_range(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo))
                 goto out_stale;
         res->jiffies = cache->jiffies;
         res->cred = cache->cred;