From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: Re: [PATCH 2/3 v2] f2fs: add bitmaps for empty or full NAT blocks Date: Tue, 28 Feb 2017 18:52:57 +0800 Message-ID: References: <20170214020644.18189-1-jaegeuk@kernel.org> <20170214020644.18189-2-jaegeuk@kernel.org> <20170223225813.GH2026@jaegeuk.local> <05bf84ed-1e63-3dd0-9c9d-a7b483a8a602@huawei.com> <20170228053336.GA11561@jaegeuk.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1cifQD-0000eM-BJ for linux-f2fs-devel@lists.sourceforge.net; Tue, 28 Feb 2017 10:54:21 +0000 Received: from [45.249.212.189] (helo=dggrg03-dlp.huawei.com) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1cifQB-0007Qe-Sw for linux-f2fs-devel@lists.sourceforge.net; Tue, 28 Feb 2017 10:54:21 +0000 In-Reply-To: <20170228053336.GA11561@jaegeuk.local> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Jaegeuk Kim Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net On 2017/2/28 13:33, Jaegeuk Kim wrote: > On 02/28, Chao Yu wrote: >> On 2017/2/24 6:58, Jaegeuk Kim wrote: >>> @@ -2326,7 +2431,8 @@ void flush_nat_entries(struct f2fs_sb_info *sbi) >>> * entries, remove all entries from journal and merge them >>> * into nat entry set. >>> */ >>> - if (!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL)) >>> + if (cpc->reason == CP_UMOUNT || >> >> enabled_nat_bits(sbi, cpc) > > Thanks. > I added another patch to fix this. I'm OK with this change. Thanks, :) Thanks, > >>>From b15f7112c3daced4c7f70c4d5fcba9013743cb6b Mon Sep 17 00:00:00 2001 > From: Jaegeuk Kim > Date: Mon, 27 Feb 2017 21:28:53 -0800 > Subject: [PATCH] f2fs: avoid to flush nat journal entries > > This patch adds a missing condition which flushes nat journal entries > unnecessarily introduced by: > > f2fs: add bitmaps for empty or full NAT blocks > > Signed-off-by: Chao Yu > Signed-off-by: Jaegeuk Kim > --- > fs/f2fs/node.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c > index b3aead4c5a0f..94967171dee8 100644 > --- a/fs/f2fs/node.c > +++ b/fs/f2fs/node.c > @@ -2513,7 +2513,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc) > * entries, remove all entries from journal and merge them > * into nat entry set. > */ > - if (cpc->reason == CP_UMOUNT || > + if (enabled_nat_bits(sbi, cpc) || > !__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL)) > remove_nats_in_journal(sbi); > > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot