Messages in this thread | | | Date | Wed, 30 Mar 2022 06:04:08 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH] block/psi: make PSI annotations of submit_bio only work for file pages |
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On Wed, Mar 30, 2022 at 09:00:46AM -0400, Johannes Weiner wrote: > If you want type distinction, we should move it all into MM code, like > Christoph is saying. Were swap code handles anon refaults and the page > cache code handles file refaults. This would be my preferred layering, > and my original patch did that: https://lkml.org/lkml/2019/7/22/1070.
FYI, I started redoing that version and I think with all the cleanups to filemap.c and the readahead code this can be done fairly nicely now:
http://git.infradead.org/users/hch/block.git/commitdiff/666abb29c6db870d3941acc5ac19e83fbc72cfd4
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