From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A332EC4361B for ; Mon, 7 Dec 2020 07:56:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 558F522582 for ; Mon, 7 Dec 2020 07:56:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726098AbgLGH4P (ORCPT ); Mon, 7 Dec 2020 02:56:15 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:8710 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbgLGH4O (ORCPT ); Mon, 7 Dec 2020 02:56:14 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CqFvx1bcYzkmS2; Mon, 7 Dec 2020 15:54:53 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.205) with Microsoft SMTP Server (TLS) id 14.3.487.0; Mon, 7 Dec 2020 15:55:31 +0800 Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size To: Jaegeuk Kim , , , References: <20201203205522.891082-1-jaegeuk@kernel.org> <20201203205522.891082-2-jaegeuk@kernel.org> From: Chao Yu Message-ID: <7c32e34a-1c16-1cdb-0930-3f144db46858@huawei.com> Date: Mon, 7 Dec 2020 15:55:30 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20201203205522.891082-2-jaegeuk@kernel.org> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/12/4 4:55, Jaegeuk Kim wrote: > This patch adds max_io_bytes to limit bio size when f2fs tries to merge > consecutive IOs. This can give a testing point to split out bios and check > end_io handles those bios correctly. This is used to capture a recent bug > on the decompression and fsverity flow. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks, From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32565C4361B for ; Mon, 7 Dec 2020 07:55:56 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B979D2220B; Mon, 7 Dec 2020 07:55:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B979D2220B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1kmBNC-0003x8-RV; Mon, 07 Dec 2020 07:55:54 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmBNB-0003wy-Oq for linux-f2fs-devel@lists.sourceforge.net; Mon, 07 Dec 2020 07:55:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=2V+/UuTNPt8nMUiAjAtPOfcW/IIpRBN2Wnh50cNwUlE=; b=MWhzy/99mivXiV4G7GBVvn++4v /ketjShBkP90ay/Dc7Meo+eGNLiOcSqeSaB+D0ilZPrIXWlxJUjSRRMBNMSpvKgUVhsrweuEJ+3sA jwpr9DVAI4yxIRFkm4r4kjl50OGUu86QhtBlk3dWIvkrJOUI67ANuvEgYBU14q7ZnqsM=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Sender:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=2V+/UuTNPt8nMUiAjAtPOfcW/IIpRBN2Wnh50cNwUlE=; b=kYLd1aGcdSU+l6srq5bYIVAsse GQ8WsnirvJjm1zdxpRCnxS3Wm1wZGjTL9ifpcU7hHkeNebWzL1+DyL9DhxilSGTrmttri2Ycw+auV Cva4gBe4LrOXpRjgMIPI5s60W6dwfB3XRqltnFvwY5EFYXofm0aG1PDwMH1UDOyKDL2Q=; Received: from szxga04-in.huawei.com ([45.249.212.190]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1kmBN1-001fgf-SX for linux-f2fs-devel@lists.sourceforge.net; Mon, 07 Dec 2020 07:55:53 +0000 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CqFvx1bcYzkmS2; Mon, 7 Dec 2020 15:54:53 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.205) with Microsoft SMTP Server (TLS) id 14.3.487.0; Mon, 7 Dec 2020 15:55:31 +0800 To: Jaegeuk Kim , , , References: <20201203205522.891082-1-jaegeuk@kernel.org> <20201203205522.891082-2-jaegeuk@kernel.org> From: Chao Yu Message-ID: <7c32e34a-1c16-1cdb-0930-3f144db46858@huawei.com> Date: Mon, 7 Dec 2020 15:55:30 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20201203205522.891082-2-jaegeuk@kernel.org> Content-Language: en-US X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected X-Headers-End: 1kmBN1-001fgf-SX Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/12/4 4:55, Jaegeuk Kim wrote: > This patch adds max_io_bytes to limit bio size when f2fs tries to merge > consecutive IOs. This can give a testing point to split out bios and check > end_io handles those bios correctly. This is used to capture a recent bug > on the decompression and fsverity flow. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel