From nobody Mon Feb 9 16:18:31 2026 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=1603372224; cv=none; d=zohomail.com; s=zohoarc; b=nbv+hM/BsT0VbvTcBS4PP2t/ji0OEygwBYYLxR+bAbGzCAUTYweXEEGclZ30NtYCSZzElrBzrGWVSRhdWPPNYMoVtnMRIoHdTifl+6EkAi/jw4Kb0J4a1cU/mtlOD2Y0GDEbww/tJ7Ee5ci/4/XhnsnLm6HOel44WZU5pqugvRU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1603372224; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GXp5DmbqZWn1Z7nXX5prrCSTPiCbi3chhOoGxSyTPYM=; b=F8a1/vQrrZgcB+vsdn/CMbuz/XYISO7t97V/X9ccb5Up6CyD4Yw8+JihU6Sgd+M32R644Nnhc+dsubkRx71lcyEpiriwftQZFuslBlqCfTMdQIVcTErK5+j4SEQA+CNsHZbX4WXX/sbx6LOlHxnaZ8Cz3qDtS122iv8xWFDU3SE= 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 1603372224730102.93602903730846; Thu, 22 Oct 2020 06:10:24 -0700 (PDT) Received: from localhost ([::1]:37102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVaMJ-00043K-Rx for importer@patchew.org; Thu, 22 Oct 2020 09:10:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57206) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVaG4-0004ym-UC; Thu, 22 Oct 2020 09:03:56 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:57204 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVaFx-0000gH-OB; Thu, 22 Oct 2020 09:03:56 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id A83354301B903ACF7234; Thu, 22 Oct 2020 21:03:40 +0800 (CST) Received: from localhost (10.174.184.155) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Thu, 22 Oct 2020 21:03:33 +0800 From: Jiahui Cen To: , , , Subject: [PATCH v3 7/9] qemu-option: add I/O hang timeout option Date: Thu, 22 Oct 2020 21:03:01 +0800 Message-ID: <20201022130303.1092-8-cenjiahui@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201022130303.1092-1-cenjiahui@huawei.com> References: <20201022130303.1092-1-cenjiahui@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.184.155] X-CFilter-Loop: Reflected 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=45.249.212.35; envelope-from=cenjiahui@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/22 09:03:40 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: cenjiahui@huawei.com, zhang.zhanghailiang@huawei.com, qemu-block@nongnu.org, stefanha@redhat.com, fangying1@huawei.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" I/O hang timeout should be different under different situations. So it is better to provide an option for user to determine I/O hang timeout for each block device. Signed-off-by: Jiahui Cen Signed-off-by: Ying Fang --- blockdev.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/blockdev.c b/blockdev.c index fe6fb5dc1d..0a77eedfc4 100644 --- a/blockdev.c +++ b/blockdev.c @@ -501,6 +501,7 @@ static BlockBackend *blockdev_init(const char *file, QD= ict *bs_opts, BlockdevDetectZeroesOptions detect_zeroes =3D BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF; const char *throttling_group =3D NULL; + int64_t iohang_timeout =3D 0; =20 /* Check common options by copying from bs_opts to opts, all other opt= ions * stay in bs_opts for processing by bdrv_open(). */ @@ -623,6 +624,12 @@ static BlockBackend *blockdev_init(const char *file, Q= Dict *bs_opts, =20 bs->detect_zeroes =3D detect_zeroes; =20 + /* init timeout value for I/O Hang */ + iohang_timeout =3D qemu_opt_get_number(opts, "iohang-timeout", 0); + if (iohang_timeout > 0) { + blk_iohang_init(blk, iohang_timeout); + } + block_acct_setup(blk_get_stats(blk), account_invalid, account_fail= ed); =20 if (!parse_stats_intervals(blk_get_stats(blk), interval_list, errp= )) { @@ -3796,6 +3803,10 @@ QemuOptsList qemu_common_drive_opts =3D { .type =3D QEMU_OPT_BOOL, .help =3D "whether to account for failed I/O operations " "in the statistics", + },{ + .name =3D "iohang-timeout", + .type =3D QEMU_OPT_NUMBER, + .help =3D "timeout value for I/O Hang", }, { /* end of list */ } }, --=20 2.19.1