Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753991AbbLXFtT (ORCPT ); Thu, 24 Dec 2015 00:49:19 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:57981 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752840AbbLXFtS (ORCPT ); Thu, 24 Dec 2015 00:49:18 -0500 X-AuditID: cbfee61a-f79266d000003652-9a-567b875bd31f From: Chao Yu To: "'Jaegeuk Kim'" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <1450832388-29118-1-git-send-email-jaegeuk@kernel.org> <1450832388-29118-4-git-send-email-jaegeuk@kernel.org> <20151223191428.GE30505@jaegeuk.local> In-reply-to: <20151223191428.GE30505@jaegeuk.local> Subject: RE: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when node was changed Date: Thu, 24 Dec 2015 13:48:34 +0800 Message-id: <015301d13e0e$d3a7aa60$7af6ff20$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: AQG9bRZC60cJl2SGICHadMcbSzM9lgJNmWQVAhrqzXye3fNhIA== Content-language: zh-cn X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrDLMWRmVeSWpSXmKPExsVy+t9jQd2Y9uowg+/9TBZP1s9itri0yN1i z96TLBaXd81hc2Dx2LSqk81j94LPTB6fN8kFMEdx2aSk5mSWpRbp2yVwZbTfVy64w1bx8V8j SwPjWdYuRk4OCQETiX0zN7JD2GISF+6tZwOxhQRmMUp8P2nWxcgFZL9ilJi3YSszSIJNQEVi ecd/JpCEiEAvo8SPM/3MEFVLGCXObz3P0sXIwcEpYCxxaF0USIOwQLTE4qvnwZpZBFQlNr6a CmbzClhKbH+ymR3CFpT4MfkeC4jNLKAlsX7ncSYIW15i85q3zBDXKUjsOPuaEcQWEXCS+LT5 KStEjbjExiO3WCYwCs5CMmoWklGzkIyahaRlASPLKkaJ1ILkguKk9FzDvNRyveLE3OLSvHS9 5PzcTYzgMH8mtYPx4C73Q4wCHIxKPLwSt6rChFgTy4orcw8xSnAwK4nwZkZXhwnxpiRWVqUW 5ccXleakFh9ilOZgURLnrb0UGSYkkJ5YkpqdmlqQWgSTZeLglGpgzN1Sv99r2q46mYWXxS4u /suf/bWy468fmwbnjKjVZdd6Hful7vJZl8wyiL3GvaPqyUtZlxWrJ02tOvF7/VOtCmdOP4P4 GwJvNnVGxqvFnNyYznvY0Dni81MzXxvTppjubRqHXvZsjip4WLrpDI/PS5+vyZlSvFzP3BZK BOruv7BPK8bfe6GgEktxRqKhFnNRcSIATTlJ6G8CAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1083 Lines: 27 > -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@kernel.org] > Sent: Thursday, December 24, 2015 3:14 AM > To: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org; > linux-f2fs-devel@lists.sourceforge.net > Subject: Re: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when node was changed > > Change log v2: > - add dio case > > >From c2d16a526371954671f9c8cff5f09f9d230f7993 Mon Sep 17 00:00:00 2001 > From: Jaegeuk Kim > Date: Tue, 22 Dec 2015 13:23:35 -0800 > Subject: [PATCH] f2fs: call f2fs_balance_fs only when node was changed > > If user tries to update or read data, we don't need to call f2fs_balance_fs > which triggers f2fs_gc, which increases unnecessary long latency. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/