On 2/27/22 2:34 AM, jhubbard.send.patches@xxxxxxxxx wrote: > From: John Hubbard <jhubbard@xxxxxxxxxx> > > 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
