NFSv4.1: Don't do a delegated open for NFS4_OPEN_CLAIM_DELEG_CUR_FH modes

If we're in a delegation recall situation, we can't do a delegated open.

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

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a411a53d8f4a45b1560d78b6c749fcd0a1928635..ea50807b65d9cae29ec4e77c24f0c42f69e2e55e 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1543,6 +1543,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
                rcu_read_lock();
                delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
                if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
+                   data->o_arg.claim != NFS4_OPEN_CLAIM_DELEG_CUR_FH &&
                    can_open_delegated(delegation, data->o_arg.fmode))
                        goto unlock_no_action;
                rcu_read_unlock();