linux-kernel - Re: [f2fs-dev] [PATCH v2] f2fs: fix to check readonly condition correctly

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Message-Id: <168064381893.16246.7986262771761292127.git-patchwork-notify@kernel.org>
Date:   Tue, 04 Apr 2023 21:30:18 +0000
From:   patchwork-bot+f2fs@...nel.org
To:     Chao Yu <chao@...nel.org>
Cc:     jaegeuk@...nel.org, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix to check readonly condition
 correctly

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:

On Tue,  4 Apr 2023 23:28:07 +0800 you wrote:
> With below case, it can mount multi-device image w/ rw option, however
> one of secondary device is set as ro, later update will cause panic, so
> let's introduce f2fs_dev_is_readonly(), and check multi-devices rw status
> in f2fs_remount() w/ it in order to avoid such inconsistent mount status.
> 
> mkfs.f2fs -c /dev/zram1 /dev/zram0 -f
> blockdev --setro /dev/zram1
> mount -t f2fs dev/zram0 /mnt/f2fs
> mount: /mnt/f2fs: WARNING: source write-protected, mounted read-only.
> mount -t f2fs -o remount,rw mnt/f2fs
> dd if=/dev/zero  of=/mnt/f2fs/file bs=1M count=8192
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: fix to check readonly condition correctly
    https://git.kernel.org/jaegeuk/f2fs/c/2bce08d26c0f

You are awesome, thank you!
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