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From: Chao Yu <chao2.yu@samsung.com>
To: "'Jaegeuk Kim'" <jaegeuk@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Subject: RE: [PATCH 4/5] f2fs: should fail mount when trying to recover data on read-only dev
Date: Fri, 30 Jan 2015 13:12:10 +0800	[thread overview]
Message-ID: <006601d03c4b$68190bb0$384b2310$@samsung.com> (raw)
In-Reply-To: <20150129213931.GA17521@jaegeuk-mac02>

Hi Jaegeuk,

> -----Original Message-----
> From: Jaegeuk Kim [mailto:jaegeuk@kernel.org]
> Sent: Friday, January 30, 2015 5:40 AM
> To: Chao Yu
> Cc: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org;
> linux-f2fs-devel@lists.sourceforge.net
> Subject: Re: [PATCH 4/5] f2fs: should fail mount when trying to recover data on read-only dev
> 
> Hi Chao,
> 
> This is another patch to fix that.
> 
> From d241924043778d0fe01e9020d5771cc42cf246e6 Mon Sep 17 00:00:00 2001
> From: Jaegeuk Kim <jaegeuk@kernel.org>
> Date: Thu, 29 Jan 2015 11:45:33 -0800
> Subject: [PATCH] f2fs: split UMOUNT and FASTBOOT flags
> 
> This patch adds FASTBOOT flag into checkpoint as follows.
> 
>  - CP_UMOUNT_FLAG is set when system is umounted.
>  - CP_FASTBOOT_FLAG is set when intermediate checkpoint having node summaries
>    was done.
> 
> So, if you get CP_UMOUNT_FLAG from checkpoint, the system was umounted cleanly.
> Instead, if there was sudden-power-off, you can get CP_FASTBOOT_FLAG or nothing.

Nice work, it looks good to me, and this can fix that issue. :)

> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao2.yu@samsung.com>


  reply	other threads:[~2015-01-30  5:13 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-27 23:31 [PATCH 1/5] f2fs: fix not to drop mount options when retrying fill_super Jaegeuk Kim
2015-01-27 23:31 ` [PATCH 2/5] f2fs: support norecovery mount option Jaegeuk Kim
2015-01-29 11:52   ` Chao Yu
2015-01-29 18:27     ` Jaegeuk Kim
2015-01-29 18:31       ` [f2fs-dev] [PATCH 2/5 v2] " Jaegeuk Kim
2015-01-30  5:11         ` Chao Yu
2015-01-30  5:10       ` [PATCH 2/5] " Chao Yu
2015-01-27 23:31 ` [PATCH 3/5] f2fs: avoid write_checkpoint if f2fs is mounted readonly Jaegeuk Kim
2015-01-29 11:55   ` Chao Yu
2015-01-27 23:31 ` [PATCH 4/5] f2fs: should fail mount when trying to recover data on read-only dev Jaegeuk Kim
2015-01-29 12:16   ` Chao Yu
2015-01-29 21:39     ` Jaegeuk Kim
2015-01-30  5:12       ` Chao Yu [this message]
2015-01-30  5:15   ` Chao Yu
2015-01-27 23:31 ` [PATCH 5/5] f2fs: introduce a batched trim Jaegeuk Kim
2015-01-29 12:38   ` Chao Yu
2015-01-29 21:41     ` Jaegeuk Kim
2015-01-30  5:13       ` Chao Yu
2015-02-02 23:29         ` [PATCH 5/5 v2] " Jaegeuk Kim
2015-02-03  2:48           ` [f2fs-dev] " Changman Lee
2015-02-03 20:10             ` [f2fs-dev] [PATCH 5/5 v3] " Jaegeuk Kim
2015-02-05  9:30               ` Chao Yu
2015-02-06  6:18                 ` [f2fs-dev] [PATCH 5/5 v4] " Jaegeuk Kim
2015-02-06  8:20                   ` Chao Yu
2015-02-07 15:57                   ` Leon Romanovsky
2015-02-09  7:04                     ` Jaegeuk Kim
2015-01-29 11:24 ` [PATCH 1/5] f2fs: fix not to drop mount options when retrying fill_super Chao Yu
2015-01-29 18:21   ` [PATCH 1/5 v2] " Jaegeuk Kim
2015-01-30  5:02     ` Chao Yu

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