NFSv4: Handle the condition NFS4ERR_FILE_OPEN

Retry a few times before we give up: the error is usually due to ordering
issues with asynchronous RPC calls.

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

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c218cc4..c49ac3e 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2891,6 +2891,7 @@ int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct
                        if (ret == 0)
                                exception->retry = 1;
                        break;
+               case -NFS4ERR_FILE_OPEN:
                case -NFS4ERR_GRACE:
                case -NFS4ERR_DELAY:
                        ret = nfs4_delay(server->client, &exception->timeout);