linux-kernel - Re: [f2fs-dev] [PATCH v1] f2fs: Fix discard bug on zoned block devices with 2MiB zone size

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Date:   Tue, 21 Mar 2023 16:40:18 +0000
From:   patchwork-bot+f2fs@...nel.org
To:     Yonggil Song <yonggil.song@...sung.com>
Cc:     jaegeuk@...nel.org, chao@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [f2fs-dev] [PATCH v1] f2fs: Fix discard bug on zoned block devices
 with 2MiB zone size

Hello:

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

On Mon, 13 Mar 2023 18:48:25 +0900 you wrote:
> When using f2fs on a zoned block device with 2MiB zone size, IO errors
> occurs because f2fs tries to write data to a zone that has not been reset.
> 
> The cause is that f2fs tries to discard multiple zones at once. This is
> caused by a condition in f2fs_clear_prefree_segments that does not check
> for zoned block devices when setting the discard range. This leads to
> invalid reset commands and write pointer mismatches.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v1] f2fs: Fix discard bug on zoned block devices with 2MiB zone size
    https://git.kernel.org/jaegeuk/f2fs/c/5108a09b11d7

You are awesome, thank you!
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