From patchwork Thu Apr 11 16:27:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olga Kornievskaia X-Patchwork-Id: 10896409 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 90B301515 for ; Thu, 11 Apr 2019 16:27:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7903C28CFB for ; Thu, 11 Apr 2019 16:27:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6AB2228D00; Thu, 11 Apr 2019 16:27:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 06C6428CFB for ; Thu, 11 Apr 2019 16:27:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726536AbfDKQ14 (ORCPT ); Thu, 11 Apr 2019 12:27:56 -0400 Received: from mail-yw1-f68.google.com ([209.85.161.68]:36404 "EHLO mail-yw1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726264AbfDKQ14 (ORCPT ); Thu, 11 Apr 2019 12:27:56 -0400 Received: by mail-yw1-f68.google.com with SMTP id u197so2283646ywf.3 for ; Thu, 11 Apr 2019 09:27:55 -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; bh=N4Jdg0FEpMUQlut5JKMsC7NOF920ZqV+sp4wA7FnW14=; b=b6YPHZEBRsfK44O0QwF8j2jXKlG9Unjqr+uUIQe9SHMOxCtRiXwrOcf2S7/mXtM2cf c1SdGY92Z74oOn5i8KQEcJXQmYSd/XF1N/l/cIxRjjihL5uqhl6gnZ8ibgl6h4qPL9mE iUHpVXm3Vm1iSe8v93hfWnWiFhhR1rHwD2odxS5CA8t9kS0sFwUYE4/ZEml19EuWcTp9 LyRwawf8Sno7oNakeU15UchMzp5akmeIaORoYJnLeg6m92gHPSasNTDCdemGSVe8ih8B tPphySzYN+ncze4UJbj//QhR6kk9Cfkte5F4N1jXNnJyHCtMXy6FOuXfczBC3OozBpLL x77g== 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; bh=N4Jdg0FEpMUQlut5JKMsC7NOF920ZqV+sp4wA7FnW14=; b=A3aSOIi3eTrW7HowNw+lkyJBit2s4Wpn1WQaFnHPYuipztWWo66O3jmIttxBG96Ra1 qUsFUnmj8ak9dQLx5yGOwDGRjgw1UhJGqoSznkOA1EyRA+P+sFR0N9RUKfS9qJK74yEU AIpAwAu+Ojcd/rfl9nY2Xt/RfblxRiDYMWVhIsGGONDPrKEkM9RjzmhQDfhZsGdxs5h4 kFreRfDoVmf2e2CT5RvB5JfPeavyXH9I8ZYnX1P8N+uTkhlC5kkOaCJbFcRc3AyQ6svs Yq/8A83vQbz6fhoRpE1P3ENRIeuI+UZC37glQkkUGyMLMZs7icR9ZIOhGti4aq+LkNiZ TnIw== X-Gm-Message-State: APjAAAUxwXB/DdYACh8ZWSR/O51zPhwnbWuBCYGLV/Fr9+d1DTShbYiT Iz4uax/2dAkiytmDacstJe8= X-Google-Smtp-Source: APXvYqxc6PPyOH12JxTHujR85JOcrLUmMZ70XE6EPTTIp5TyXV802QwEAUGHq4LDDfrcdBD+14qSNA== X-Received: by 2002:a81:344b:: with SMTP id b72mr40393477ywa.38.1555000075283; Thu, 11 Apr 2019 09:27:55 -0700 (PDT) Received: from localhost.localdomain ([97.101.44.244]) by smtp.gmail.com with ESMTPSA id k189sm13331150ywa.48.2019.04.11.09.27.54 (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 11 Apr 2019 09:27:54 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH 1/1] NFSv4.1 fix incorrect return value in copy_file_range Date: Thu, 11 Apr 2019 12:27:47 -0400 Message-Id: <20190411162747.4360-1-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Olga Kornievskaia When VFS calls copy_file_range on a 4.0 mount (and when in and out file is the same), we need to return ENOTSUPP instead of EINVAL. Since no COPY operation is defined in 4.0, then like 3.0, it should fallback to doing do_splice_direct(). Otherwise xfstest generic/075,091,112,263 fail. Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs4file.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 45b2322..9a222b0 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -133,6 +133,12 @@ static ssize_t nfs4_copy_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, size_t count, unsigned int flags) { + struct nfs_server *server = NFS_SERVER(file_inode(file_in); + struct nfs_client *client = server->nfs_client; + + if (client->cl_minorversion < 1) + return -EOPNOTSUPP; + if (file_inode(file_in) == file_inode(file_out)) return -EINVAL; return nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);