From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: RE: [f2fs-dev] [PATCH 2/2] f2fs: do checkpoint when umount flag is not set Date: Fri, 23 Jan 2015 18:39:25 +0800 Message-ID: <000501d036f8$f5e99660$e1bcc320$@samsung.com> References: <1421971730-17024-1-git-send-email-jaegeuk@kernel.org> <1421971730-17024-2-git-send-email-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1421971730-17024-2-git-send-email-jaegeuk@kernel.org> Content-language: zh-cn Sender: linux-fsdevel-owner@vger.kernel.org To: 'Jaegeuk Kim' , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net List-Id: linux-f2fs-devel.lists.sourceforge.net > -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@kernel.org] > Sent: Friday, January 23, 2015 8:09 AM > To: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org; > linux-f2fs-devel@lists.sourceforge.net > Cc: Jaegeuk Kim > Subject: [f2fs-dev] [PATCH 2/2] f2fs: do checkpoint when umount flag is not set > > If the previous checkpoint was done without CP_UMOUNT flag, it needs to do > checkpoint with CP_UMOUNT for the next fast boot. > > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu > --- > fs/f2fs/checkpoint.c | 3 ++- > fs/f2fs/super.c | 3 ++- > 2 files changed, 4 insertions(+), 2 deletions(-) > > diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c > index 9f5317c..231d8c9 100644 > --- a/fs/f2fs/checkpoint.c > +++ b/fs/f2fs/checkpoint.c > @@ -1043,7 +1043,8 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) > > mutex_lock(&sbi->cp_mutex); > > - if (!sbi->s_dirty && cpc->reason != CP_DISCARD) > + if (!sbi->s_dirty && > + cpc->reason != CP_DISCARD && cpc->reason != CP_UMOUNT) > goto out; > if (unlikely(f2fs_cp_error(sbi))) > goto out; > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > index 84f95cd..6ef1458 100644 > --- a/fs/f2fs/super.c > +++ b/fs/f2fs/super.c > @@ -448,7 +448,8 @@ static void f2fs_put_super(struct super_block *sb) > stop_gc_thread(sbi); > > /* We don't need to do checkpoint when it's clean */ Better to update the annotation above. Thanks, Yu > - if (sbi->s_dirty) { > + if (sbi->s_dirty || > + !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) { > struct cp_control cpc = { > .reason = CP_UMOUNT, > }; > -- > 2.1.1 >