bcache (block layer cache) · Maintained

Maintainers

• M Coly Li <colyli@fygo.io>
• M Kent Overstreet <kent.overstreet@linux.dev>

Paths

• F drivers/md/bcache/

Last 30 days

Active reviewers (last 30 days)

• Qiliang Yuan <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-07-06

Recent patches

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

• DORMANTno replies Re: [PATCH 5/9] bcache: reduce gc latency by processing less nodes and sleep less time
  2026-07-21 · Robert Pang <hidden>
• COLD23d [PATCH RFC v4] bcache: flush backing device before cleaning the writeback dirty keys
  2026-07-09 · Zhou Jifeng <hidden>
• COLD25d [PATCH v3] bcache: avoid holding bch_register_lock across cache_set recovery
  2026-07-06 · Qiliang Yuan <hidden>
• COLD26d [PATCH RESEND v2] bcache: convert bch_register_lock to rw_semaphore
  2026-07-06 · Qiliang Yuan <hidden>
• COOLING10d [RFC PATCH v1 08/17] bcache: avoid sleeping blkg association from locked paths
  2026-07-04 · Yu Kuai <yukuai@kernel.org>
• COOLING10d [RFC PATCH v1 06/17] blk-cgroup: support non-blocking bio association
  2026-07-04 · Yu Kuai <yukuai@kernel.org>
• COOLING12d [PATCH v2 1/1] bcache: track active bypass writes to prevent stale cache reads
  2026-06-17 · Ankit Kapoor <hidden>
• COLD23d [PATCH RFC v3] bcache: flush backing device before cleaning the writeback dirty keys
  2026-05-27 · Zhou Jifeng <hidden>
• DORMANTno replies [PATCH RFC v2] bcache: flush backing device before cleaning the writeback dirty keys
  2026-05-26 · colyli@fygo.io
• DORMANTno replies [PATCH RFC] bcache: flush backing device before cleaning the writeback dirty keys
  2026-05-26 · colyli@fygo.io
• STALE67d [PATCH 1/1] bcache: fix stale data race between read cache miss and bypass write
  2026-05-21 · Ankit Kapoor <hidden>
• STALE117d [PATCH] bcache: fix uninitialized closure object
  2026-04-03 · <hidden>
• STALE121d [PATCH] bcache: fix uninitialized closure object
  2026-04-02 · <hidden>
• STALE124d [PATCH v3] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-30 · <hidden>
• DORMANTno replies [PATCH v2] bcache: convert bch_register_lock to rw_semaphore
  2026-03-25 · Qiliang Yuan <hidden>
• DORMANTno replies [PATCH] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-23 · <hidden>
• STALE132d [PATCH v2] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-23 · <hidden>
• STALE133d [PATCH v2] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-22 · <hidden>
• DORMANTno replies [PATCH] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-22 · <hidden>
• STALE133d [PATCH] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-18 · <hidden>
• STALE137d [PATCH] bcache: convert bch_register_lock to rw_semaphore
  2026-03-18 · Qiliang Yuan <hidden>
• STALE142d REVIEWED: 4 (4M) [PATCH 4/4] bio: use bio_io_error more often
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE185d REVIEWED: 1 (0M) [PATCH v3 2/2] bcache: fix I/O accounting leak in detached_dev_do_request
  2026-01-27 · <hidden>
• STALE185d [PATCH v3 1/2] bcache: remove dead code in detached_dev_do_request
  2026-01-27 · <hidden>
• STALE187d REVIEWED: 1 (0M) [PATCH v2] bcache: fix I/O accounting leak in detached_dev_do_request
  2026-01-26 · <hidden>
• STALE188d [PATCH] bcache: fix I/O accounting leak in detached_dev_do_request
  2026-01-26 · <hidden>
• STALE192d [PATCH RESEND v3] bcache: use bio cloning for detached device requests
  2026-01-22 · <hidden>
• STALE192d Fwd: [PATCH v3] bcache: use bio cloning for detached device requests
  2026-01-22 · Stephen Zhang <hidden>
• STALE192d Re: Fwd: [PATCH v2] bcache: use bio cloning for detached device requests
  2026-01-21 · Stephen Zhang <hidden>
• STALE192d Fwd: [PATCH v2] bcache: use bio cloning for detached device requests
  2026-01-20 · Stephen Zhang <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE187d REVIEWED: 1 (0M) [PATCH v2] bcache: fix I/O accounting leak in detached_dev_do_request
  2026-01-26 · <hidden> · 1 Acked-by
• STALE142d REVIEWED: 4 (4M) [PATCH 4/4] bio: use bio_io_error more often
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies [PATCH] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-22 · <hidden>
• DORMANTno replies [PATCH] bcache: fix cached_dev.sb_bio use-after-free and crash
  2026-03-23 · <hidden>
• DORMANTno replies [PATCH v2] bcache: convert bch_register_lock to rw_semaphore
  2026-03-25 · Qiliang Yuan <hidden>