From nobody Tue Feb 10 10:19:17 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=1601212007; cv=none; d=zohomail.com; s=zohoarc; b=NcKRGGmPPs6Wzg0xidNNys3Z+P1gELdjukFWnU64052ltMzwh4GDAItNm9OqyCVCs8rdZbTSbBikL78gnaDcmzAGGjuxmOfJ+SM5aouXBYWlxt49sxlS+gskpT1DwaDurj2v+kXUv1MMZlORbxH6Ob7+ONfbvq57lCW4DZ6zZcw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601212007; 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=2L20oynCUWqIG6MVT5aZlVplpG2vqhcmf54NRDBuB1k=; b=WQDel5oFIyxQXA01dQA76LKKbuWIfJLdINeVaJrH6voVXwzErQRXOkOa7rkV0HIYg/X622Ao4E/cwSaxLwiGGNU7UhWTHxwBYGh8miLPzyBZDsois/b0FN2Ql3zrYQZgC0z3SHvK5czgbbz0OGE1aEVJ6kazjPV3n6yAPaIpO3U= 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 160121200769769.9959170975792; Sun, 27 Sep 2020 06:06:47 -0700 (PDT) Received: from localhost ([::1]:56088 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMWO5-00013b-VT for importer@patchew.org; Sun, 27 Sep 2020 09:06:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60820) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMWMR-0007qX-DZ for qemu-devel@nongnu.org; Sun, 27 Sep 2020 09:05:03 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:60242 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 1kMWMP-0003N3-5j for qemu-devel@nongnu.org; Sun, 27 Sep 2020 09:05:03 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id A1FD2B9EE6899670B86C; Sun, 27 Sep 2020 21:04:48 +0800 (CST) Received: from localhost (10.174.185.104) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Sun, 27 Sep 2020 21:04:42 +0800 From: Ying Fang To: Subject: [RFC PATCH 6/7] qemu-option: add I/O hang timeout option Date: Sun, 27 Sep 2020 21:04:19 +0800 Message-ID: <20200927130420.1095-7-fangying1@huawei.com> X-Mailer: git-send-email 2.28.0.windows.1 In-Reply-To: <20200927130420.1095-1-fangying1@huawei.com> References: <20200927130420.1095-1-fangying1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.185.104] 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=45.249.212.32; envelope-from=fangying1@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/27 09:04:49 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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, Ying Fang , Jiahui Cen , 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 7f2561081e..ff8cdcd497 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 2.23.0