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Subject: Re: [RFC] iomap: fix race between readahead and direct write
To:     Jan Kara <jack@suse.cz>
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Date:   Sun, 19 Jan 2020 09:17:00 +0800
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On 2020/1/17 19:05, Jan Kara wrote:
> provide
> allocation for each page separately

Thank you for your response!

I do understand there will be additional CPU overhead. But page is 
allocated in __do_page_cache_readahead(), which is called before
iomap_begin(). And I did not change that.

Thanks!
Yu Kuai