From 8b6cc4d6f841d31f72fe7478453759166d366274 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 1 Apr 2013 15:34:05 -0400 Subject: [PATCH] NFSv4: Handle NFS4ERR_DELAY and NFS4ERR_GRACE in nfs4_open_delegation_recall A server shouldn't normally return NFS4ERR_GRACE if the client holds a delegation, since no conflicting lock reclaims can be granted, however the spec does not require the server to grant the open in this instance Signed-off-by: Trond Myklebust Cc: stable@vger.kernel.org --- fs/nfs/nfs4proc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index dc4037c52cf7..6630db1336a9 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1432,6 +1432,12 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state case -ENOMEM: err = 0; goto out; + case -NFS4ERR_DELAY: + case -NFS4ERR_GRACE: + set_bit(NFS_DELEGATED_STATE, &state->flags); + ssleep(1); + err = -EAGAIN; + goto out; } set_bit(NFS_DELEGATED_STATE, &state->flags); err = nfs4_handle_exception(server, err, &exception); -- 2.20.1