block layer · Maintained

Maintainers

• M Jens Axboe <axboe@kernel.dk>

Paths

• F Documentation/ABI/stable/sysfs-block
• F Documentation/block/
• F block/
• F drivers/block/
• F include/linux/bio.h
• F include/linux/blk*
• F include/uapi/linux/blk*
• F include/uapi/linux/ioprio.h
• F kernel/trace/blktrace.c
• F lib/sbitmap.c

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v2 0/3] blk-cgroup: store blkcg in bio before blkcg_mutex conversion
  2026-09-13 06:55 · 3 replies in 7d · Yu Kuai <yukuai@kernel.org>

Active reviewers (last 30 days)

• Tao Cui <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-09-13
• Christoph Hellwig <hch@lst.de>
  2 attestations (2 Reviewed-by) · last on 2026-09-13
• Nilay Shroff <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-13

Recent patches

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

• WARM1d [PATCH v2 3/3] blk-cgroup: move async bio punt state to blkcg
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• WARM1d REVIEWED: 1 (0M) [PATCH v2 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• WARM1d REVIEWED: 5 (4M) [PATCH v2 1/3] blk-cgroup: use a request_queue rhashtable for blkg lookup
  2026-09-13 · Yu Kuai <yukuai@kernel.org>
• COOLING4d [PATCH 3/3] blk-cgroup: move async bio punt state to blkcg
  2026-08-23 · Yu Kuai <yukuai@kernel.org>
• COOLING4d REVIEWED: 1 (0M) [PATCH 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-23 · Yu Kuai <yukuai@kernel.org>
• COOLING4d REVIEWED: 4 (4M) [PATCH 1/3] blk-cgroup: use a request_queue rhashtable for blkg lookup
  2026-08-23 · Yu Kuai <yukuai@kernel.org>
• COLD28d [RFC PATCH v3 3/3] blk-cgroup: move async bio punt state to blkcg
  2026-08-18 · Yu Kuai <yukuai@kernel.org>
• COLD28d [RFC PATCH v3 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-18 · Yu Kuai <yukuai@kernel.org>
• COLD28d [RFC PATCH v3 1/3] blk-cgroup: use a request_queue rhashtable for blkg lookup
  2026-08-18 · Yu Kuai <yukuai@kernel.org>
• COLD34d [RFC PATCH v2 4/4] blk-cgroup: move async bio punt state to blkcg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD34d [RFC PATCH v2 3/4] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD34d [RFC PATCH v2 2/4] blk-cgroup: use a request_queue rhashtable for blkg lookup
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD34d [RFC PATCH v2 1/4] blk-cgroup: wait for old blkgs to leave queue before disk rebind
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD42d [RFC PATCH v1 3/3] blk-cgroup: move async bio punt state to blkcg
  2026-08-04 · Yu Kuai <yukuai@kernel.org>
• COLD42d [RFC PATCH v1 2/3] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-04 · Yu Kuai <yukuai@kernel.org>
• COLD42d [RFC PATCH v1 1/3] blk-cgroup: add helpers for bio cgroup state
  2026-08-04 · Yu Kuai <yukuai@kernel.org>
• COLD52d [PATCH v6 01/12] block: add BLK_STS_P2PDMA for unsupported peer-to-peer transfers
  2026-07-26 · Mykola Marzhan <hidden>
• COLD54d [PATCH v5 01/10] block: add BLK_STS_P2PDMA for unsupported peer-to-peer transfers
  2026-07-23 · Mykola Marzhan <hidden>
• COLD56d [PATCH v4 1/9] block: add BLK_STS_P2PDMA for unsupported peer-to-peer transfers
  2026-07-22 · Mykola Marzhan <hidden>
• COLD58d REVIEWED: 4 (4M) [PATCH v3 1/8] blk-mq-dma: restore BLK_STS_TARGET for unsupported P2P transfers
  2026-07-21 · Mykola Marzhan <hidden>
• COLD56d [PATCH v2 1/7] blk-mq-dma: restore BLK_STS_TARGET for unsupported P2P transfers
  2026-07-19 · Mykola Marzhan <hidden>
• COLD58d [PATCH 1/6] blk-mq-dma: restore BLK_STS_TARGET for unsupported P2P transfers
  2026-07-18 · Mykola Marzhan <hidden>
• STALE113d REVIEWED: 10 (9M) [PATCH V4 1/3] block: clear BLK_FEAT_PCI_P2PDMA in blk_stack_limits() for non-supporting devices
  2026-05-13 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE120d [PATCH V3 1/3] block: clear BLK_FEAT_PCI_P2PDMA in blk_stack_limits() for non-supporting devices
  2026-04-16 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE217d [PATCH V4 3/3] block: change return type to void
  2026-02-11 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE270d [RFC v2 17/17] bio: add bio_endio_status
  2025-12-21 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE270d [RFC v2 15/17] bio: never set bi_status to BLK_STS_OK during completion
  2025-12-21 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE270d [RFC v2 14/17] bio: switch to bio_set_status in submit_bio_noacct
  2025-12-21 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE270d [RFC v2 10/17] block: optimize blk_status <=> errno conversion
  2025-12-21 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE270d [RFC v2 11/17] bio: bio_set_status from non-zero errno
  2025-12-21 · Andreas Gruenbacher <agruenba@redhat.com>

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.

• COLD34d [RFC PATCH v2 3/4] blk-cgroup: store blkcg in bio instead of blkg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>
• COLD34d [RFC PATCH v2 4/4] blk-cgroup: move async bio punt state to blkcg
  2026-08-11 · Yu Kuai <yukuai@kernel.org>