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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 04E30C19F2D for ; Thu, 4 Aug 2022 14:01:53 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.94.2) (envelope-from ) id 1oJbQ7-0001E1-D3; Thu, 04 Aug 2022 14:01:52 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oJbQ6-0001Ds-0O for linux-f2fs-devel@lists.sourceforge.net; Thu, 04 Aug 2022 14:01:50 +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: From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: 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=hp41brJIUVIHG2xspiWq+hOK9FB2tSXQymu4BLFxGW0=; b=gbsl+2VUHSALb3IArzAh153Z2z hj7Z2Fj1zhCIbN4fpT2O9/oHkEvthc0xmBG2pBJ63IqHyrVJsEBZGyQt8Mp9NTsH17tpFCwbcQu0j 9nw+ebAU27P7Ux11UeXSHML2ssSriZrksGTdUbpt9SkHRBfub44c+Ie72ndhD20CVozs=; 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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: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=hp41brJIUVIHG2xspiWq+hOK9FB2tSXQymu4BLFxGW0=; b=Ztr6tnKN9mg+r9MNb3TViOCXQz dQPJRAx9x0t4Ry//y1Optf1CdfC7Mb1JQRKvLE8RE0KcIAsdtPkojUB6gukx0zGzSI0RuOqy9idxt aJnQftTnhZ7TDr6Ou1bGI11r29GZsuq6MZ4Q6nAZRXz736/lxCVF3ZfE9do4Rkh3CCJE=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.94.2) id 1oJbPn-0008JS-Hm for linux-f2fs-devel@lists.sourceforge.net; Thu, 04 Aug 2022 14:01:49 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B6CCD61886; Thu, 4 Aug 2022 14:01:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D5D6C433C1; Thu, 4 Aug 2022 14:01:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659621683; bh=bmGuS99cEPJKjV5L2Q9jbgjSmWnymUsW73DyV4qtku8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DBCkvZjiG8cei5pG/yYtWpxiIy3p7SUGYUxfViwPys8lYpbAY1kkK4zFhbyJPtGtv lD5yUJ5iTonG0Ux/DCSU7DFc+JYqEi4zsx0Qft4fsGYdJVN2S134965RziFP6TMSmA kTmWjB3iNoKiGOoX1/I51bRjJOk1kyAblzxOvorbz/xrg1V4STpPJhIhhiW14p0ZWQ axWx4WkcZIGdLfuzrQbczQ1Skd7kDByH4ydlCZ+B3MsYCySocENYgM/xqQ7fGXh5HR kVSaBfKjLVrchKO4LW4Fsv+bqloT2akEl8ZeNizaOXM3RR2IyO/gIKratHYfjWXDO0 btwB+ueFK9nHA== Message-ID: Date: Thu, 4 Aug 2022 22:01:19 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Content-Language: en-US To: Fengnan Chang , jaegeuk@kernel.org References: <20220731033347.455209-1-fengnanchang@gmail.com> <20220731033347.455209-3-fengnanchang@gmail.com> From: Chao Yu In-Reply-To: <20220731033347.455209-3-fengnanchang@gmail.com> X-Headers-End: 1oJbPn-0008JS-Hm Subject: Re: [f2fs-dev] [PATCH v4 2/3] f2fs: use onstack pages instead of pvec 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: , Cc: linux-f2fs-devel@lists.sourceforge.net Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2022/7/31 11:33, Fengnan Chang wrote: > Since pvec have 15 pages, it not a multiple of 4, when write compressed > pages, write in 64K as a unit, it will call pagevec_lookup_range_tag > agagin, sometimes this will take a lot of time. > Use onstack pages instead of pvec to mitigate this problem. > > Signed-off-by: Fengnan Chang 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