From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-f195.google.com ([209.85.222.195]:33191 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727502AbeJYE20 (ORCPT ); Thu, 25 Oct 2018 00:28:26 -0400 From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, viro@zeniv.linux.org.uk, smfrench@gmail.com, miklos@szeredi.hu Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-man@vger.kernel.org Subject: [PATCH v2 13/13] NFS COPY handle ERR_OFFLOAD_DENIED Date: Wed, 24 Oct 2018 15:58:37 -0400 Message-Id: <20181024195837.35532-15-olga.kornievskaia@gmail.com> In-Reply-To: <20181024195837.35532-1-olga.kornievskaia@gmail.com> References: <20181024195837.35532-1-olga.kornievskaia@gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Olga Kornievskaia If server sends ERR_OFFLOAD_DENIED error, the client must fall back on doing copy the normal way. Return ENOTSUPP to the vfs and fallback to regular copy. Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs42proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 00809b3..c7c2ffa 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -395,7 +395,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, args.sync = true; dst_exception.retry = 1; continue; - } else if (err == -ESTALE && + } else if ((err == -ESTALE || + err == -NFS4ERR_OFFLOAD_DENIED) && !nfs42_files_from_same_server(src, dst)) { nfs42_do_offload_cancel_async(src, &args.src_stateid); err = -EOPNOTSUPP; -- 1.8.3.1