Re: [PATCH] f2fs: Remove readahead collision detection

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Jaegeuk Kim <jaegeuk@xxxxxxxxxx>, <linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx>, <linux-fsdevel@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH] f2fs: Remove readahead collision detection
From: Chao Yu <yuchao0@xxxxxxxxxx>
Date: Fri, 15 Jan 2021 17:28:28 +0800
In-reply-to: <20210114190051.1893991-1-willy@infradead.org>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 2021/1/15 3:00, Matthew Wilcox (Oracle) wrote:

With the new ->readahead operation, locked pages are added to the page
cache, preventing two threads from racing with each other to read the
same chunk of file, so this is dead code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>


Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

Thanks,

References:
- [PATCH] f2fs: Remove readahead collision detection
  - From: Matthew Wilcox (Oracle)

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