From nobody Tue Feb 10 03:39:19 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=1601459813; cv=none; d=zohomail.com; s=zohoarc; b=eENsY4DLZXc+x+NplnKDaL1ANE0ibrGPnApvNAy48PDZWFe7X0mBu6P9K27jwqy07y0zfC+afXBAH2eS7eEuma51dhcTXJIFNQv0n6aJ4iDXWtOmJVFrVLNVDDcEaSFqInTHwAiX0bye6Mjd8n6Vtjl0CPiGi7S5nQCF4jhfGVA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601459813; 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=T5HPLDLw6wwWw5AEFc/t0uatuQsC3WiH7spQddJiebE=; b=Hy3R/oQgTiL819MYBbcqPeimPN9+Pm3EFbcfFyWMEGhGexbeHw/IsOIUeby+VLZGVfBjjxzv4IFvSQALrz1rGVCEmSqaWHGEgjaXsVtVwG3T685koDoqVhfSvMudvGg7KUWXkg2/H6splPAjqkZqrGxvsij5i/tAbGF1bpMP/xQ= 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 1601459813356891.5595802976893; Wed, 30 Sep 2020 02:56:53 -0700 (PDT) Received: from localhost ([::1]:45670 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNYqx-0001Ru-Vo for importer@patchew.org; Wed, 30 Sep 2020 05:56:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37586) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNYhT-000751-RZ for qemu-devel@nongnu.org; Wed, 30 Sep 2020 05:47:04 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:40786 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 1kNYhM-0003oK-U6 for qemu-devel@nongnu.org; Wed, 30 Sep 2020 05:47:03 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id B31CF6D48898F760592F; Wed, 30 Sep 2020 17:46:52 +0800 (CST) Received: from localhost (10.174.186.107) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Wed, 30 Sep 2020 17:46:45 +0800 From: Jiahui Cen To: Subject: [RFC PATCH v2 7/8] qemu-option: add I/O hang timeout option Date: Wed, 30 Sep 2020 17:46:05 +0800 Message-ID: <20200930094606.5323-8-cenjiahui@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200930094606.5323-1-cenjiahui@huawei.com> References: <20200930094606.5323-1-cenjiahui@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.186.107] 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 = 2020/09/30 05:46:53 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, 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: kwolf@redhat.com, fangying1@huawei.com, cenjiahui@huawei.com, zhang.zhanghailiang@huawei.com, mreitz@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 bebd3ba1c3..127a7ea894 100644 --- a/blockdev.c +++ b/blockdev.c @@ -500,6 +500,7 @@ 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(). */ @@ -622,6 +623,12 @@ 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= )) { @@ -3786,6 +3793,10 @@ 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 2.28.0