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From: Chao Yu <chao@kernel.org>
To: Huang Jianan <huangjianan@oppo.com>,
	linux-f2fs-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org, zhangshiming@oppo.com
Subject: Re: [f2fs-dev] [PATCH v2 3/3] f2fs: check if swapfile is section-alligned
Date: Mon, 1 Mar 2021 22:15:57 +0800	[thread overview]
Message-ID: <57c26fef-5566-cf91-3768-206ed7f09c7e@kernel.org> (raw)
In-Reply-To: <20210301045844.154809-1-huangjianan@oppo.com>

On 2021/3/1 12:58, Huang Jianan via Linux-f2fs-devel wrote:
> If the swapfile isn't created by pin and fallocate, it can't be
> guaranteed section-aligned, so it may be selected by f2fs gc. When
> gc_pin_file_threshold is reached, the address of swapfile may change,
> but won't be synchronized to swap_extent, so swap will write to wrong
> address, which will cause data corruption.
> 
> Signed-off-by: Huang Jianan <huangjianan@oppo.com>
> Signed-off-by: Guo Weichao <guoweichao@oppo.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,

      reply	other threads:[~2021-03-01 14:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-01  4:58 Huang Jianan
2021-03-01 14:15 ` Chao Yu [this message]

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