NFSv4: Ensure nfs4_lock_expired() caches delegated locks

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

1 files changed, 5 insertions, 3 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b8c63757f039..8bdfe3ff7925 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3454,10 +3454,10 @@ static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request
         struct nfs4_exception exception = { };
         int err;
 
-        /* Cache the lock if possible... */
-        if (test_bit(NFS_DELEGATED_STATE, &state->flags))
-                return 0;
         do {
+                /* Cache the lock if possible... */
+                if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
+                        return 0;
                 err = _nfs4_do_setlk(state, F_SETLK, request, 1);
                 if (err != -NFS4ERR_DELAY)
                         break;
@@ -3476,6 +3476,8 @@ static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request
         if (err != 0)
                 return err;
         do {
+                if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
+                        return 0;
                 err = _nfs4_do_setlk(state, F_SETLK, request, 0);
                 if (err != -NFS4ERR_DELAY)
                         break;