Messages in this thread |  | | Date | Sun, 27 Feb 2022 14:59:35 -0700 | Subject | Re: [PATCH 4/6] block, bio, fs: convert most filesystems to pin_user_pages_fast() | From | Jens Axboe <> |
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On 2/27/22 2:34 AM, jhubbard.send.patches@gmail.com wrote: > From: John Hubbard <jhubbard@nvidia.com> > > 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.
-- Jens Axboe
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