From patchwork Sat Mar 16 04:11:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: XiaoLi Feng X-Patchwork-Id: 10855745 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 0D78E14DE for ; Sat, 16 Mar 2019 04:12:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DBF822ABB8 for ; Sat, 16 Mar 2019 04:12:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CBB5A2ABCE; Sat, 16 Mar 2019 04:12:01 +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=-7.9 required=2.0 tests=BAYES_00,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 54F052ABB8 for ; Sat, 16 Mar 2019 04:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725907AbfCPEMA (ORCPT ); Sat, 16 Mar 2019 00:12:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60780 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbfCPEMA (ORCPT ); Sat, 16 Mar 2019 00:12:00 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 53DDD31688E1; Sat, 16 Mar 2019 04:12:00 +0000 (UTC) Received: from dhcp-12-126.nay.redhat.com (dhcp-12-126.nay.redhat.com [10.66.12.126]) by smtp.corp.redhat.com (Postfix) with ESMTP id 09D2E60BE6; Sat, 16 Mar 2019 04:11:58 +0000 (UTC) From: XiaoLi Feng To: smfrench@gmail.com, linux-cifs@vger.kernel.org Cc: Xiaoli Feng Subject: [PATCH v2] cifs: fix that return -EINVAL when do dedupe operation Date: Sat, 16 Mar 2019 12:11:54 +0800 Message-Id: <20190316041154.27619-1-xifeng@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Sat, 16 Mar 2019 04:12:00 +0000 (UTC) Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Xiaoli Feng dedupe_file_range operations is combiled into remap_file_range. But it's always skipped for dedupe operations in function cifs_remap_file_range. Example to test: Before this patch: # dd if=/dev/zero of=cifs/file bs=1M count=1 # xfs_io -c "dedupe cifs/file 4k 64k 4k" cifs/file XFS_IOC_FILE_EXTENT_SAME: Invalid argument After this patch: # dd if=/dev/zero of=cifs/file bs=1M count=1 # xfs_io -c "dedupe cifs/file 4k 64k 4k" cifs/file XFS_IOC_FILE_EXTENT_SAME: Operation not supported Influence for xfstests: generic/091 generic/112 generic/127 generic/263 These tests report this error "do_copy_range:: Invalid argument" instead of "FIDEDUPERANGE: Invalid argument". Because there are still two bugs cause these test failed. https://bugzilla.kernel.org/show_bug.cgi?id=202935 https://bugzilla.kernel.org/show_bug.cgi?id=202785 Signed-off-by: Xiaoli Feng --- Sorry, there are some missing in commit log of last patch. Because they are beginning with the world '#". The git will ignores these lines. And add influence for xfstests. fs/cifs/cifsfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 217276b8b942..f9b71c12cc9f 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1008,7 +1008,7 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off, unsigned int xid; int rc; - if (remap_flags & ~REMAP_FILE_ADVISORY) + if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY)) return -EINVAL; cifs_dbg(FYI, "clone range\n");