Re: [PATCH v2] orangefs: convert get_user_pages() --> pin_user_pages()

2020-06-01 Thread Mike Marshall
Hi John. Thanks for the patch, and the testing, and the reference to the lwn article. I have also applied your patch to 5.7-rc7 and have run xfstests. I applied your patch to the orangefs for-next tree. -Mike On Sat, May 30, 2020 at 3:39 AM John Hubbard wrote: > > On 2020-05-22 20:59, John Hu

Re: [PATCH v2] orangefs: convert get_user_pages() --> pin_user_pages()

2020-05-30 Thread John Hubbard
On 2020-05-22 20:59, John Hubbard wrote: This code was using get_user_pages*(), in a "Case 1" scenario (Direct IO), using the categorization from [1]. That means that it's time to convert the get_user_pages*() + put_page() calls to pin_user_pages*() + unpin_user_pages() calls. There is some help

[PATCH v2] orangefs: convert get_user_pages() --> pin_user_pages()

2020-05-22 Thread John Hubbard
This code was using get_user_pages*(), in a "Case 1" scenario (Direct IO), using the categorization from [1]. That means that it's time to convert the get_user_pages*() + put_page() calls to pin_user_pages*() + unpin_user_pages() calls. There is some helpful background in [2]: basically, this is a