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

Active reviewers (last 30 days)

• Damien Le Moal <dlemoal@kernel.org>
  12 attestations (12 Reviewed-by) · last on 2026-06-11
• Hannes Reinecke <hare@kernel.org>
  12 attestations (12 Reviewed-by) · last on 2026-06-11
• Keith Busch <kbusch@kernel.org>
  12 attestations (12 Reviewed-by) · last on 2026-06-11
• Bart Van Assche <bvanassche@acm.org>
  2 attestations (2 Reviewed-by) · last on 2026-06-11

Recent patches

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

• COLD15d [PATCH 3/3] mm/swap: route slot free notifications through swap_ops
  2026-06-14 · Jianyue Wu <hidden>
• COLD15d [PATCH 2/3] mm/zram: handle swap read/write via swap_ops
  2026-06-14 · Jianyue Wu <hidden>
• COLD20d REVIEWED: 8 (8M) [PATCH 4/4] block: add configurable error injection
  2026-06-11 · Christoph Hellwig <hch@lst.de>
• COLD20d REVIEWED: 9 (9M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-11 · Christoph Hellwig <hch@lst.de>
• COLD20d REVIEWED: 9 (9M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-11 · Christoph Hellwig <hch@lst.de>
• COLD20d REVIEWED: 13 (13M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-11 · Christoph Hellwig <hch@lst.de>
• DORMANTno replies Re: configurable block error injection v4
  2026-06-10 · Christoph Hellwig <hch@lst.de>
• COLD22d REVIEWED: 8 (8M) [PATCH 4/4] block: add configurable error injection
  2026-06-10 · Christoph Hellwig <hch@lst.de>
• COLD22d REVIEWED: 9 (9M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-10 · Christoph Hellwig <hch@lst.de>
• COLD22d REVIEWED: 9 (9M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-10 · Christoph Hellwig <hch@lst.de>
• COLD22d REVIEWED: 13 (13M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-10 · Christoph Hellwig <hch@lst.de>
• COLD23d REVIEWED: 8 (8M) [PATCH 4/4] block: add configurable error injection
  2026-06-08 · Christoph Hellwig <hch@lst.de>
• COLD23d REVIEWED: 9 (9M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-08 · Christoph Hellwig <hch@lst.de>
• COLD23d REVIEWED: 9 (9M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-08 · Christoph Hellwig <hch@lst.de>
• COLD23d REVIEWED: 9 (9M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-08 · Christoph Hellwig <hch@lst.de>
• COLD24d [PATCH 4/4] block: add configurable error injection
  2026-06-05 · Christoph Hellwig <hch@lst.de>
• COLD24d REVIEWED: 1 (1M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-05 · Christoph Hellwig <hch@lst.de>
• COLD24d REVIEWED: 1 (1M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-05 · Christoph Hellwig <hch@lst.de>
• COLD24d REVIEWED: 1 (1M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-05 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 9/9] block: move the fail request code
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 8/9] block: add configurable error injection
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 7/9] block: add a str_to_blk_op helper
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 6/9] block: add a "tag" for block status codes
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 5/9] block: add a macro to initialize the status table
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 4/9] block: move the FAIL_MAKE_REQUEST symbol from lib/ to block/
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 3/9] block: refactor should_fail_bio and should_fail_request
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 2/9] block: consolidate the calls to should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 1/9] block: remove ALLOW_ERROR_INJECTION for should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD45d [PATCH 09/12] swap: push down setting sis->bdev into ->swap_activate
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• COLD45d [PATCH 07/12] swap,block: limit swap file size to device size
  2026-05-12 · Christoph Hellwig <hch@lst.de>

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.

• COLD24d REVIEWED: 1 (1M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-05 · Christoph Hellwig <hch@lst.de> · 1 Reviewed-by
• COLD24d REVIEWED: 1 (1M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-05 · Christoph Hellwig <hch@lst.de> · 1 Reviewed-by
• COLD24d REVIEWED: 1 (1M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-05 · Christoph Hellwig <hch@lst.de> · 1 Reviewed-by
• COLD23d REVIEWED: 9 (9M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-08 · Christoph Hellwig <hch@lst.de> · 3 Reviewed-by
• COLD23d REVIEWED: 9 (9M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-08 · Christoph Hellwig <hch@lst.de> · 3 Reviewed-by
• COLD23d REVIEWED: 9 (9M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-08 · Christoph Hellwig <hch@lst.de> · 3 Reviewed-by
• COLD23d REVIEWED: 8 (8M) [PATCH 4/4] block: add configurable error injection
  2026-06-08 · Christoph Hellwig <hch@lst.de> · 2 Reviewed-by
• COLD22d REVIEWED: 13 (13M) [PATCH 1/4] block: add a macro to initialize the status table
  2026-06-10 · Christoph Hellwig <hch@lst.de> · 4 Reviewed-by
• COLD22d REVIEWED: 9 (9M) [PATCH 2/4] block: add a "tag" for block status codes
  2026-06-10 · Christoph Hellwig <hch@lst.de> · 3 Reviewed-by
• COLD22d REVIEWED: 9 (9M) [PATCH 3/4] block: add a str_to_blk_op helper
  2026-06-10 · Christoph Hellwig <hch@lst.de> · 3 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.

• COLD27d [PATCH 1/9] block: remove ALLOW_ERROR_INJECTION for should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 2/9] block: consolidate the calls to should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 3/9] block: refactor should_fail_bio and should_fail_request
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 4/9] block: move the FAIL_MAKE_REQUEST symbol from lib/ to block/
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 5/9] block: add a macro to initialize the status table
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 6/9] block: add a "tag" for block status codes
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 7/9] block: add a str_to_blk_op helper
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD27d [PATCH 9/9] block: move the fail request code
  2026-06-02 · Christoph Hellwig <hch@lst.de>