From patchwork Fri Oct 26 20:10:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olga Kornievskaia X-Patchwork-Id: 989766 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-cifs-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="hsdZlzJP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42hZrV23CPz9sLt for ; Sat, 27 Oct 2018 07:11:22 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728061AbeJ0Etk (ORCPT ); Sat, 27 Oct 2018 00:49:40 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:46365 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728027AbeJ0Eti (ORCPT ); Sat, 27 Oct 2018 00:49:38 -0400 Received: by mail-qt1-f196.google.com with SMTP id c16-v6so2651637qtj.13; Fri, 26 Oct 2018 13:11:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fwlJnXfUGTRII/SW0YspOWGhfPFdbZ3Rgyeu7Z/VErM=; b=hsdZlzJP+lg2ilLI9mm6YTVgXUFIGNm/8aeMU/xI96CNZ/O6ZjEsUMjQIx5DEDDtb/ MmSJheEuau/VvbVEW/1EkOXz+J17WjcyWSTdE9BPAMZiR1E21e7X1hG10ruUgdd7wkn/ PT/wK300R1c1s/OWFW1fm/FyOj6XpMDJHcNsiBhbxxfPJ5CGNAUMqSNIvCyRxs5eRMNa Y2N6l3EkoRdOOsL599g5Buv3Xou+K7awaAoUSGTgy+jVDwobl8yglmwqRwtA/STahnOS D3yQgSyzHLGvLksEOwTZ3T8/nlQ/lfgc5eo97efVEp5h8tlQiFjdnNEMPag/J3vpgSUq IukA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=fwlJnXfUGTRII/SW0YspOWGhfPFdbZ3Rgyeu7Z/VErM=; b=qx4iOD57PNX8UdT5u7I+bhwqtsPtF6n/HKz/bfWsvQW7FQCtSXrBmKJm07qEnJadJm oPZZcLB4qwrMESGuz56g045LJyhEZfp2pt+QEknbSajNzOGURh2fpMaDYdtcqjwxjV70 boE7hezg2LUHt+295yUV3V6YBJGid5y7TubrTLRuEfuhAAd9C9JSou4hEoDzgbNK+CcK 3gp3J5QW1/9+TwCeO2qHPsldZiViMTGP9gCZ5oLrVWEGwsu35dl5YiQ0uWltjzA2W2qt gpWXcaPTnl/+dPb0k1YlHkMS0TvB97uLGPnql6QXgSBfiMPE0eMhNuSdIRpLdV6UclrA xDpQ== X-Gm-Message-State: AGRZ1gKhgcFr7DKv8ZHnD5MgGdxo22SYeB2RE8mnlxcI8X1dibT2dfyR TckNuh6aeM/xvFqIz+8UHos= X-Google-Smtp-Source: AJdET5eLgr/+izpbRZvmdeQCkP1nEAVSx/2x479svsaOWjsmMKXK/2L5yovSgUVxmAsbe9gPkyrzng== X-Received: by 2002:ac8:901:: with SMTP id t1-v6mr4456032qth.335.1540584675107; Fri, 26 Oct 2018 13:11:15 -0700 (PDT) Received: from Olgas-MBP-195.attlocal.net (172-10-226-31.lightspeed.livnmi.sbcglobal.net. [172.10.226.31]) by smtp.gmail.com with ESMTPSA id p64-v6sm8037667qkc.96.2018.10.26.13.11.13 (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 26 Oct 2018 13:11:14 -0700 (PDT) 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 v4 10/11] NFS: COPY handle ERR_OFFLOAD_DENIED Date: Fri, 26 Oct 2018 16:10:56 -0400 Message-Id: <20181026201057.36899-12-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20181026201057.36899-1-olga.kornievskaia@gmail.com> References: <20181026201057.36899-1-olga.kornievskaia@gmail.com> Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org 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;