Messages in this thread |  | | Date | Sun, 27 Feb 2022 22:15:16 +0000 | From | Al Viro <> | Subject | Re: [PATCH 3/6] block, fs: assert that key paths use iovecs, and nothing else |
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On Sun, Feb 27, 2022 at 01:34:31AM -0800, jhubbard.send.patches@gmail.com wrote: > From: John Hubbard <jhubbard@nvidia.com> > > Upcoming changes to Direct IO will change it from acquiring pages via > get_user_pages_fast(), to calling pin_user_pages_fast() instead. > > Place a few assertions at key points, that the pages are IOVEC (user > pages), to enforce the assumptions that there are no kernel or pipe or > other odd variations being passed.
Umm... And what should happen when O_DIRECT file gets passed to splice()?
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