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)

• DORMANTno replies Re: [PATCH v9 05/13] block: add dma-buf support for raw bdev
  2026-10-08 12:27 · 0 replies in 7d · Anuj Gupta/Anuj Gupta <hidden>

Active reviewers (last 30 days)

• Christoph Hellwig <hch@lst.de>
  6 attestations (4 Reviewed-by, 2 Suggested-by) · last on 2026-09-28
• Keith Busch <kbusch@kernel.org>
  2 attestations (2 Suggested-by) · last on 2026-09-28
• Kuniyuki Iwashima <kuniyu@google.com>
  1 attestation (1 Reviewed-by) · last on 2026-09-29

Recent patches

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

• DORMANTno replies Re: [PATCH v9 05/13] block: add dma-buf support for raw bdev
  2026-10-08 · Anuj Gupta/Anuj Gupta <hidden>
• COOLING9d [PATCH RFC 1/2] block: add BLK_FEAT_ATOMIC_WRITE_MULTI
  2026-09-29 · Daniel Gomez <da.gomez@kernel.org>
• WARM2d REVIEWED: 3 (3M) [PATCH v3 net-next 6/9] drbd: use sk_set_nospace()
  2026-09-29 · Eric Dumazet <edumazet@kernel.org>
• WARM3d REVIEWED: 4 (4M) [PATCH v7 05/13] block: add dma-buf support for raw bdev
  2026-09-28 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d [PATCH v7 04/13] block: introduce dma map backed bio type
  2026-09-28 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d REVIEWED: 4 (4M) [PATCH v7 03/13] block: always adjust bi_offset on bio_advance_iter
  2026-09-28 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d REVIEWED: 4 (4M) [PATCH v6 05/13] block: add dma-buf support for raw bdev
  2026-09-21 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d [PATCH v6 04/13] block: introduce dma map backed bio type
  2026-09-21 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d REVIEWED: 4 (4M) [PATCH v6 03/13] block: always adjust bi_offset on bio_advance_iter
  2026-09-21 · Pavel Begunkov <asml.silence@gmail.com>
• COOLING10d [PATCH v4 2/4] block: don't show partition diskstats for GENHD_FL_HIDDEN
  2026-09-21 · John Garry <hidden>
• COOLING10d [PATCH v4 1/4] block: support cloning partitions
  2026-09-21 · John Garry <hidden>
• COLD16d [RFC PATCH 1/1] block: charge passthrough requests to the submitter's cgroup
  2026-09-21 · Tao Cui <hidden>
• COOLING9d [PATCH 1/6] bio-integrity: remove dead bio_integrity_copy_user() error path
  2026-09-09 · Caleb Sander Mateos <hidden>
• COOLING9d [PATCH 3/6] blk-integrity: pass iov_iter to blk_rq_integrity_map_user()
  2026-09-09 · Caleb Sander Mateos <hidden>
• COLD41d [PATCH 1/2] io_uring/cmd: split io_uring_cmd_set_res() from io_uring_cmd_done()
  2026-08-27 · Caleb Sander Mateos <hidden>
• COLD28d [PATCH v3 3/5] block: factor path limits out of blk_stack_limits
  2026-08-21 · Yao Sang <hidden>
• COLD28d [PATCH v3 5/5] block, nvme: add same-LBA multipath limit helpers
  2026-08-21 · Yao Sang <hidden>
• COLD28d [PATCH v3 4/5] block: factor atomic write hardware limit stacking
  2026-08-21 · Yao Sang <hidden>
• COLD28d REVIEWED: 4 (4M) [PATCH v3 2/5] block: factor mapped-range topology out of blk_stack_limits
  2026-08-21 · Yao Sang <hidden>
• COLD22d [PATCH RFC v3 1/3] block: support linking disks to clone partitions
  2026-08-21 · John Garry <john.g.garry@oracle.com>
• COLD22d [PATCH RFC v3 2/3] block: don't show partition diskstats for GENHD_FL_HIDDEN
  2026-08-21 · John Garry <john.g.garry@oracle.com>
• COLD50d [PATCH RFC v2 1/2] block: scan partitions for hidden disks
  2026-08-18 · John Garry <john.g.garry@oracle.com>
• COLD52d Re: [PATCHv5 1/2] block: accumulate memory segment gaps per bio
  2026-08-17 · Keith Busch <kbusch@kernel.org>
• COLD24d [PATCH v8 03/10] block: support nesting for blk-mq flag QUEUE_FLAG_SAME_FORCE
  2026-08-15 · Nilay Shroff <hidden>
• COLD24d REVIEWED: 9 (8M) [PATCH v8 01/10] block: expose blk_stat_{enable,disable}_accounting() to drivers
  2026-08-15 · Nilay Shroff <hidden>
• COLD24d REVIEWED: 3 (2M) [PATCH v8 02/10] block: record I/O request start time for passthru request
  2026-08-15 · Nilay Shroff <hidden>
• COLD57d REVIEWED: 6 (6M) [PATCH v7 1/9] block: expose blk_stat_{enable,disable}_accounting() to drivers
  2026-08-09 · Nilay Shroff <hidden>
• COLD57d [PATCH v7 2/9] block: record I/O request start time for passthru request
  2026-08-09 · Nilay Shroff <hidden>
• STALE63d REVIEWED: 4 (4M) [PATCH 1/1] block: rename bi_bvec_done
  2026-08-06 · Pavel Begunkov <asml.silence@gmail.com>
• COLD51d [PATCH v2 4/4] block, nvme: use lower-level limit helpers for namespace heads
  2026-08-06 · Yao Sang <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.

• STALE188d REVIEWED: 6 (6M) [PATCH 6.1.y 2/8] blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue
  2026-04-01 · Heyne, Maximilian <hidden> · 3 Reviewed-by
• STALE183d REVIEWED: 6 (6M) [PATCH 6.1.y v2 2/6] blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue
  2026-04-02 · Heyne, Maximilian <hidden> · 3 Reviewed-by
• DORMANTno replies REVIEWED: 5 (4M) [PATCH v3 5/6] t10-pi: use bio_integrity_intervals() helper
  2026-04-17 · Caleb Sander Mateos <hidden> · 2 Reviewed-by
• STALE112d REVIEWED: 6 (6M) [PATCHv6 1/8] block: expose blk_stat_{enable,disable}_accounting() to drivers
  2026-05-20 · Nilay Shroff <hidden> · 2 Reviewed-by
• STALE133d REVIEWED: 2 (0M) [PATCHv3 1/2] block: export passthrough stats enabled
  2026-05-28 · Keith Busch <hidden> · 2 Reviewed-by
• STALE69d REVIEWED: 1 (0M) [PATCH] block: stop the timeout timer when releasing a never added disk
  2026-07-27 · Chao Shi <hidden> · 1 Acked-by
• STALE63d REVIEWED: 4 (4M) [PATCH 1/1] block: rename bi_bvec_done
  2026-08-06 · Pavel Begunkov <asml.silence@gmail.com> · 1 Reviewed-by
• COLD24d REVIEWED: 3 (2M) [PATCH v8 02/10] block: record I/O request start time for passthru request
  2026-08-15 · Nilay Shroff <hidden> · 2 Reviewed-by
• COLD24d REVIEWED: 9 (8M) [PATCH v8 01/10] block: expose blk_stat_{enable,disable}_accounting() to drivers
  2026-08-15 · Nilay Shroff <hidden> · 4 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.

• STALE168d [PATCH v11 10/13] blk-mq: use hk cpus only when isolcpus=io_queue is enabled
  2026-04-16 · Aaron Tomlin <atomlin@atomlin.com>
• STALE139d [PATCH 01/12] block: Introduce queue limits for copy offloading
  2026-04-24 · Bart Van Assche <bvanassche@acm.org>
• STALE139d [PATCH 02/12] block: Add the REQ_OP_COPY_{SRC,DST} operations
  2026-04-24 · Bart Van Assche <bvanassche@acm.org>
• STALE139d [PATCH 03/12] block: Introduce blkdev_copy_offload()
  2026-04-24 · Bart Van Assche <bvanassche@acm.org>
• STALE139d [PATCH 05/12] block: Introduce accessor functions for copy offload bios
  2026-04-24 · Bart Van Assche <bvanassche@acm.org>
• STALE139d [PATCH 04/12] block: Add an onloaded copy implementation
  2026-04-24 · Bart Van Assche <bvanassche@acm.org>
• STALE142d Re: [PATCH RFC 1/2] nvme: downgrade WARN in nvme_setup_rw to pr_debug
  2026-05-17 · Keith Busch <kbusch@kernel.org>
• STALE84d [RFC PATCH 1/2] blk-integrity: add BLK_EXPECTED_REF_TAG_CAPABLE
  2026-06-27 · Caleb Sander Mateos <hidden>
• STALE77d [RFC PATCH v1 04/17] blk-throttle: protect throttle state with td lock
  2026-07-04 · Yu Kuai <yukuai@kernel.org>
• STALE77d [RFC PATCH v1 11/17] block: avoid scheduling from non-blocking helper allocations
  2026-07-04 · Yu Kuai <yukuai@kernel.org>