linux-kernel - Re: [PATCH] f2fs: judge whether discard_unit is section only when have CONFIG_BLK_DEV

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Date:   Wed, 11 Jan 2023 21:03:39 +0800
From:   Chao Yu <chao@...nel.org>
To:     Yangtao Li <frank.li@...o.com>, jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: judge whether discard_unit is section only when
 have CONFIG_BLK_DEV_ZONED

On 2022/11/29 20:29, Yangtao Li wrote:
> The current logic, regardless of whether CONFIG_BLK_DEV_ZONED
> is enabled or not, will judge whether discard_unit is SECTION,
> when f2fs_sb_has_blkzoned.
> 
> In fact, when CONFIG_BLK_DEV_ZONED is not enabled, this judgment
> is a path that will never be accessed. At this time, -EINVAL will
> be returned in the parse_options function, accompanied by the
> message "Zoned block device support is not enabled".
> 
> Let's wrap this discard_unit judgment with CONFIG_BLK_DEV_ZONED.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,