Messages in this thread | | | Date | Tue, 24 Jan 2023 14:35:11 +0100 | Subject | Re: [PATCH v8 00/10] iov_iter: Improve page extraction (pin or just list) | From | David Hildenbrand <> |
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On 24.01.23 14:32, Christoph Hellwig wrote: > On Tue, Jan 24, 2023 at 02:22:36PM +0100, David Hildenbrand wrote: >>> Note that while these series coverts the two most commonly used >>> O_DIRECT implementations, there are various others ones that do not >>> pin the pages yet. >> >> Thanks for the info ... I assume these are then for other filesystems, >> right? (such that we could adjust the tests to exercise these as well) > > Yes. There's the fs/direct-io.c code still used by a few block based > file systems, and then all the not block based file systems as well > (e.g. NFS, cifs). > >> ... do we have a list (or is it easy to make one)? :) > > fs/direct-io.c is easy, just grep for blockdev_direct_IO. > > The others are more complicated to find, but a grep for > iov_iter_get_pages2 and iov_iter_get_pages_alloc2 in fs/ should be a > good approximation.
Right, iov_iter_get_pages2() includes vmsplice() that still needs love. Thanks!
-- Thanks,
David / dhildenb
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