page cache · Supported

Maintainers

• M Matthew Wilcox <willy@infradead.org>
• M Jan Kara <jack@suse.cz>

Paths

• F Documentation/filesystems/locking.rst
• F Documentation/filesystems/vfs.rst
• F include/linux/pagemap.h
• F include/linux/writeback.h
• F include/trace/events/filemap.h
• F include/trace/events/readahead.h
• F include/trace/events/writeback.h
• F mm/filemap.c
• F mm/page-writeback.c
• F mm/readahead.c
• F mm/truncate.c

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v19 00/40] DEPT(DEPendency Tracker)
  2026-07-06 06:21 · 2 replies in 7d · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH] block: split out a new blk_plug.h helper
  2026-07-06 04:11 · 0 replies in 7d · Christoph Hellwig <hch@lst.de>
• COOLING4d [RFC PATCH v1 00/17] blk-cgroup: protect blkgs with blkcg_mutex
  2026-07-04 19:53 · 1 reply in 7d · Yu Kuai <yukuai@kernel.org>

Recent patches

Most-recent 30 patches in this subsystem on linux-block (capped at 30), ordered by date desc.

• WARM1d [PATCH v19 36/40] dept: track PG_writeback with dept
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 22/40] dept: track PG_locked with dept
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH] block: split out a new blk_plug.h helper
  2026-07-06 · Christoph Hellwig <hch@lst.de>
• COOLING4d [RFC PATCH v1 06/17] blk-cgroup: support non-blocking bio association
  2026-07-04 · Yu Kuai <yukuai@kernel.org>
• COLD21d [PATCH 3/3] mm/swap: route slot free notifications through swap_ops
  2026-06-14 · Jianyue Wu <hidden>
• COLD51d [PATCH 03/12] swap,fs: move swapfile operations to struct file_operations
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• COLD51d [PATCH 02/12] swap: move boilerplate code into the core swap code
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE102d A comparison of the new nfsd iomodes (and an experimental one)
  2026-03-26 · Jeff Layton <jlayton@kernel.org>
• STALE119d [PATCH RFC v3 1/2] filemap: defer dropbehind invalidation from IRQ context
  2026-02-27 · Tal Zussman <hidden>
• STALE131d [PATCH RFC v2 1/2] filemap: defer dropbehind invalidation from IRQ context
  2026-02-25 · Tal Zussman <hidden>
• STALE201d REVIEWED: 5 (5M) Re: retiring laptop_mode? was Re: [PATCH] mm: vmscan: always allow writeback during memcg reclaim
  2025-12-16 · Johannes Weiner <hannes@cmpxchg.org>
• STALE201d Re: retiring laptop_mode? was Re: [PATCH] mm: vmscan: always allow writeback during memcg reclaim
  2025-12-15 · Johannes Weiner <hannes@cmpxchg.org>
• STALE127d [RFC v2 1/3] filemap: set max order to be min order if THP is disabled
  2025-12-06 · Pankaj Raghav <hidden>
• WARM2d [PATCH v18 40/42] dept: track PG_writeback with dept
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• WARM2d [PATCH v18 22/42] dept: track PG_locked with dept
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE245d Re: [PATCH v2] fscrypt: fix left shift underflow when inode->i_blkbits > PAGE_SHIFT
  2025-11-04 · Yongpeng Yang <hidden>
• STALE251d [PATCH v2 3/8] mm/cleancache: readahead support
  2025-10-26 · Suren Baghdasaryan <surenb@google.com>
• STALE251d [PATCH v2 1/8] mm: implement cleancache
  2025-10-26 · Suren Baghdasaryan <surenb@google.com>
• STALE251d [PATCH 10/10] mm: rename filemap_fdatawrite_range_kick to filemap_flush_range
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE251d REVIEWED: 17 (16M) [PATCH 09/10] mm: remove __filemap_fdatawrite_range
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE251d REVIEWED: 18 (16M) [PATCH 08/10] mm: remove filemap_fdatawrite_wbc
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE251d REVIEWED: 1 (0M) [PATCH 07/10] mm: remove __filemap_fdatawrite
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE251d REVIEWED: 9 (7M) [PATCH 06/10] mm,btrfs: add a filemap_flush_nr helper
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE251d REVIEWED: 18 (16M) [PATCH 01/10] mm: don't opencode filemap_fdatawrite_range in filemap_invalidate_inode
  2025-10-24 · Christoph Hellwig <hch@lst.de>
• STALE247d REVIEWED: 9 (8M) [PATCH 6.1 4/8] fs: factor out a direct_write_fallback helper
  2025-10-21 · Mahmoud Adam <hidden>
• STALE247d REVIEWED: 17 (16M) [PATCH 6.1 3/8] filemap: update ki_pos in generic_perform_write
  2025-10-21 · Mahmoud Adam <hidden>
• STALE247d REVIEWED: 10 (10M) [PATCH 6.1 2/8] filemap: add a kiocb_invalidate_post_direct_write helper
  2025-10-21 · Mahmoud Adam <hidden>
• STALE247d REVIEWED: 10 (10M) [PATCH 6.1 1/8] filemap: add a kiocb_invalidate_pages helper
  2025-10-21 · Mahmoud Adam <hidden>
• STALE267d [PATCH 10/10] mm: rename filemap_flush to filemap_fdatawrite_kick
  2025-10-13 · Christoph Hellwig <hch@lst.de>
• STALE267d [PATCH 09/10] mm: remove __filemap_fdatawrite_range
  2025-10-13 · Christoph Hellwig <hch@lst.de>