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SubjectRe: [PATCH] squashfs: Migrate from ll_rw_block usage to BIO
I don't see why you still need buffer_heads at all.  Basically
if you replace each of your allocated buffer heads with a
simple page allocation the code will be much simpler (this version
adds more than 100 lines of code!) and probaby still a bit faster
as you don't need the squashfs_bio_request allocation either.

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