improve pagecache PSI annotations v2

[Jens Axboe]

On Thu, 15 Sep 2022 10:41:55 +0100, Christoph Hellwig wrote:
> currently the VM tries to abuse the block layer submission path for
> the page cache PSI annotations.  This series instead annotates the
> ->read_folio and ->readahead calls in the core VM code, and then
> only deals with the odd direct add_to_page_cache_lru calls manually.
> 
> Changes since v1:
>  - fix a logic error in ra_alloc_folio
>  - drop a unlikely()
>  - spell a comment in the weird way preferred by btrfs maintainers
> 
> [...]

Applied, thanks!

[1/5] mm: add PSI accounting around ->read_folio and ->readahead calls
      commit: 176042404ee6a96ba7e9054e1bda6220360a26ad
[2/5] sched/psi: export psi_memstall_{enter,leave}
      commit: 527eb453bbfe65e5a55a90edfb1f30b477e36b8c
[3/5] btrfs: add manual PSI accounting for compressed reads
      commit: 4088a47e78f95a5fea683cf67e0be006b13831fd
[4/5] erofs: add manual PSI accounting for the compressed address space
      commit: 99486c511f686c799bb4e60b79d79808bb9440f4
[5/5] block: remove PSI accounting from the bio layer
      commit: 118f3663fbc658e9ad6165e129076981c7b685c5

Best regards,
-- 
Jens Axboe