Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH v7 2/8] iov_iter: Add a function to extract a page list from an iterator | Date | Mon, 23 Jan 2023 13:19:52 +0000 |
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David Hildenbrand <david@redhat.com> wrote:
> Switching from FOLL_GET to FOLL_PIN was in the works by John H. Not sure what > the status is. Interestingly, Documentation/core-api/pin_user_pages.rst > already documents that "CASE 1: Direct IO (DIO)" uses FOLL_PIN ... which does, > unfortunately, no reflect reality yet.
Yeah - I just came across that.
Should iov_iter.c then switch entirely to using pin_user_pages(), rather than get_user_pages()? In which case my patches only need keep track of pinned/not-pinned and never "got".
David
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