Re: [RFC 0/2] iomap & xfs support for large pages

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On Wed, 31 Jul 2019, Matthew Wilcox wrote:

> Christoph sent me a patch a few months ago called "XFS THP wip".
> I've redone it based on current linus tree, plus the page_size() /
> compound_nr() / page_shift() patches currently found in -mm.  I fixed
> the logic bugs that I noticed in his patch and may have introduced some
> of my own.  I have only compile tested this code.

Some references here to patches from a long time ago. Maybe there are
useful tidbits here ...

Variable page cache just for ramfs:
https://lkml.org/lkml/2007/4/19/261

Large blocksize support for XFS, ReiserFS and ext2
https://www.mail-archive.com/linux-fsdevel@xxxxxxxxxxxxxxx/msg08730.html




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