From nobody Mon May 20 14:56:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1614650914; cv=none; d=zohomail.com; s=zohoarc; b=NEqeQV4cQ1IenUh1KmrGyiTzl4MhLlXNDnij44+TNiVEZwn51M/GVuidiRZitsDJis2bnauiqCwXKHF2fPasD1MsgT7iFVsxDvy6KBCFENddH0sVbRLat4QdOJ4OyfYKa0g6TXH6UO/pWa2hDbLwMFEIq6oXIB0j7Z1X39Em0qM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1614650914; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=Uy+WcEkPBjPdlnLg3GogiWsiwBK0qRfHyI22i/oJMJE=; b=WdMpFohfoA/nJZsRBCnrBTE7oOPLAL5Zvi+rYzrMHozt9bT+3T+wXTtVM7FvFd9QWmCJsV5nlspRANOwvqdEGyRCKPSKFWN1DQpx3dewMTUr/ivth9/9V5Sa7sITwlEJuXXANkzeRCMqEWu6kJwHJutNzqskZEVJYigk4fH3Oys= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1614650913543123.15773359265006; Mon, 1 Mar 2021 18:08:33 -0800 (PST) Received: from localhost ([::1]:51528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lGuSd-0004ut-5x for importer@patchew.org; Mon, 01 Mar 2021 21:08:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43912) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lGuR5-0003nU-2w; Mon, 01 Mar 2021 21:06:55 -0500 Received: from prt-mail.chinatelecom.cn ([42.123.76.228]:38960 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lGuR1-0003Px-2H; Mon, 01 Mar 2021 21:06:53 -0500 Received: from clientip-106.120.101.58?logid-9db7f54045604fc5a17714c25d21d57b (unknown [172.18.0.218]) by chinatelecom.cn (HERMES) with SMTP id 29F1B2800FB; Tue, 2 Mar 2021 09:56:52 +0800 (CST) Received: from ([172.18.0.218]) by App0025 with ESMTP id 9db7f54045604fc5a17714c25d21d57b for qemu-block@nongnu.org; Tue Mar 2 09:56:58 2021 HMM_SOURCE_IP: 172.18.0.218:29801.1800995752 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP X-189-SAVE-TO-SEND: 71112636@chinatelecom.cn X-Transaction-ID: 9db7f54045604fc5a17714c25d21d57b X-filter-score: filter<0> X-Real-From: changlm@chinatelecom.cn X-Receive-IP: 172.18.0.218 X-MEDUSA-Status: 0 Date: Tue, 2 Mar 2021 09:56:42 +0800 From: ChangLimin To: qemu-block Subject: [PATCH] file-posix: allow -EBUSY errors during write zeros on block X-Priority: 3 X-GUID: 8E9EC420-F20E-414D-8611-F52628B71530 X-Has-Attach: no X-Mailer: Foxmail 7.2.17.58[cn] Mime-Version: 1.0 Message-ID: <2021030209564214018344@chinatelecom.cn> Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=42.123.76.228; envelope-from=changlm@chinatelecom.cn; helo=chinatelecom.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf , qemu-devel , mreitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" After Linux 5.10, write zeros to a multipath device using ioctl(fd, BLKZEROOUT, range) with cache none or directsync will return EBUS= Y. Similar to handle_aiocb_write_zeroes_unmap, handle_aiocb_write_zeroes_block allow -EBUSY errors during ioctl(fd, BLKZEROOUT, range). Reference commit in Linux 5.10: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id= =3D384d87ef2c954fc58e6c5fd8253e4a1984f5fe02 Signed-off-by: ChangLimin --- =C2=A0block/file-posix.c | 7 ++++++- =C2=A01 file changed, 6 insertions(+), 1 deletion(-) diff --git a/block/file-posix.c b/block/file-posix.c index 05079b40ca..3e60c96214 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1629,8 +1629,13 @@ static ssize_t handle_aiocb_write_zeroes_block(RawPo= sixAIOData *aiocb) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0} while (errno =3D=3D EINTR); =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0ret =3D translate_err(-errno); - =C2=A0 =C2=A0 =C2=A0 =C2=A0if (ret =3D=3D -ENOTSUP) { + =C2=A0 =C2=A0 =C2=A0 =C2=A0switch (ret) { + =C2=A0 =C2=A0 =C2=A0 =C2=A0case -ENOTSUP: + =C2=A0 =C2=A0 =C2=A0 =C2=A0case -EINVAL: + =C2=A0 =C2=A0 =C2=A0 =C2=A0case -EBUSY: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0s->has_write_zeroes =3D fal= se; + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0return -ENOTSUP; + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0break; =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0} =C2=A0 =C2=A0 =C2=A0} =C2=A0#endif -- 2.27.0