Return-Path: Received: from mx141.netapp.com ([216.240.21.12]:36004 "EHLO mx141.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854AbdCBQPB (ORCPT ); Thu, 2 Mar 2017 11:15:01 -0500 From: Olga Kornievskaia To: CC: Subject: [RFC v1 16/19] NFS handle COPY ERR_OFFLOAD_NO_REQS Date: Thu, 2 Mar 2017 11:01:20 -0500 Message-ID: <20170302160123.30375-17-kolga@netapp.com> In-Reply-To: <20170302160123.30375-1-kolga@netapp.com> References: <20170302160123.30375-1-kolga@netapp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: If client sent async COPY and server replied with ERR_OFFLOAD_NO_REQS, client should retry with a synchronous copy. Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs42proc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index b29f2c9..c9d8d7a 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -273,10 +273,17 @@ static ssize_t _nfs42_proc_copy(struct file *src, if (status) return status; +retry: args->sync = sync; status = nfs4_call_sync(server->client, server, &msg, &args->seq_args, &res->seq_res, 0); switch (status) { + case -NFS4ERR_OFFLOAD_NO_REQS: + if (!sync) { + sync = true; + goto retry; + } + break; case -ENOTSUPP: server->caps &= ~NFS_CAP_COPY; break; -- 1.8.3.1