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SubjectRe: [PATCH 4/6] block, bio, fs: convert most filesystems to pin_user_pages_fast()
On 2/27/22 13:59, Jens Axboe wrote:
> On 2/27/22 2:34 AM, wrote:
>> From: John Hubbard <>
>> Use pin_user_pages_fast(), pin_user_page(), and unpin_user_page() calls,
>> in place of get_user_pages_fast(), get_page() and put_page().
>> This converts the Direct IO parts of most filesystems over to using
>> FOLL_PIN (pin_user_page*()) page pinning.
> The commit message needs to explain why a change is being made, not what
> is being done. The latter I can just look at the code for.
> Didn't even find it in in your cover letter, had to go to the original
> posting for that.

Sorry about that, I'll sit down and write up something thorough for this
patch. It is after the central thing, and it got neglected here.

John Hubbard

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