On 9/10/22 12:50 AM, Christoph Hellwig wrote: > Hi all, > > 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. > > Diffstat: > block/bio.c | 8 -------- > block/blk-core.c | 17 ----------------- > fs/btrfs/compression.c | 14 ++++++++++++-- > fs/direct-io.c | 2 -- > fs/erofs/zdata.c | 13 ++++++++++++- > include/linux/blk_types.h | 1 - > include/linux/pagemap.h | 2 ++ > kernel/sched/psi.c | 2 ++ > mm/filemap.c | 7 +++++++ > mm/readahead.c | 22 ++++++++++++++++++---- > 10 files changed, 53 insertions(+), 35 deletions(-) Nice! It's always bothered me that we have this weird layering here. -- Jens Axboe
