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)

• Tejun Heo <tj@kernel.org>
  4 attestations (4 Suggested-by) · last on 2026-10-03

Recent patches

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

• COOLING7d [RFC PATCH v10 3/4] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-10-03 · Tao Cui <hidden>
• COOLING7d [RFC PATCH v10 1/4] blk-iocost: add BPF struct_ops cost model support
  2026-10-03 · Tao Cui <hidden>
• COOLING8d [RFC v3 1/3] block: Introduce the UFQ I/O scheduler
  2026-10-03 · Kaitao Cheng <hidden>
• COOLING8d [RFC PATCH v9 3/4] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-10-03 · Tao Cui <hidden>
• COOLING8d [RFC PATCH v9 1/4] blk-iocost: add BPF struct_ops cost model support
  2026-10-03 · Tao Cui <hidden>
• COOLING9d [RFC PATCH v8 3/4] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-30 · Tao Cui <hidden>
• COOLING9d [RFC PATCH v8 1/4] blk-iocost: add BPF struct_ops cost model support
  2026-09-30 · Tao Cui <hidden>
• COOLING11d [RFC PATCH v7 3/4] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-24 · Tao Cui <hidden>
• COOLING11d [RFC PATCH v7 1/4] blk-iocost: add BPF struct_ops cost model support
  2026-09-24 · Tao Cui <hidden>
• COLD19d [RFC PATCH v6 3/5] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-18 · Tao Cui <hidden>
• COLD19d [RFC PATCH v6 1/5] blk-iocost: add BPF struct_ops cost model support
  2026-09-18 · Tao Cui <hidden>
• COLD22d [RFC PATCH v5 3/5] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-18 · Tao Cui <hidden>
• COLD22d [RFC PATCH v5 1/5] blk-iocost: add BPF struct_ops cost model support
  2026-09-18 · Tao Cui <hidden>
• COLD25d [RFC PATCH v4 3/5] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-16 · Tao Cui <hidden>
• COLD25d [RFC PATCH v4 1/5] blk-iocost: add BPF struct_ops cost model support
  2026-09-16 · Tao Cui <hidden>
• COLD25d [PATCH] blk-iocost: add BPF struct_ops cost model support
  2026-09-16 · Tao Cui <hidden>
• COLD26d [RFC PATCH v3 3/5] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-14 · Tao Cui <hidden>
• COLD26d [RFC PATCH v3 1/5] blk-iocost: add BPF struct_ops cost model support
  2026-09-14 · Tao Cui <hidden>
• COLD30d [RFC PATCH v2 3/5] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-10 · Tao Cui <hidden>
• COLD30d [RFC PATCH v2 1/5] blk-iocost: add BPF struct_ops cost model support
  2026-09-10 · Tao Cui <hidden>
• COLD32d [RFC PATCH 5/8] blk-iocost: add ctrl=bpf per-device opt-in
  2026-09-08 · Tao Cui <hidden>
• COLD32d [RFC PATCH 4/8] blk-iocost: dispatch cost calculation to registered BPF model
  2026-09-08 · Tao Cui <hidden>
• COLD32d [RFC PATCH 3/8] blk-iocost: implement BPF struct_ops registration
  2026-09-08 · Tao Cui <hidden>
• COLD32d [RFC PATCH 2/8] blk-iocost: define iocost_model_ops cost model interface
  2026-09-08 · Tao Cui <hidden>
• COLD32d [RFC PATCH 1/8] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-08 · Tao Cui <hidden>
• COLD37d [PATCH v3 3/4] block: add BPF kfuncs to read blkcg io.stat
  2026-08-20 · Ziyang Men <hidden>
• COLD52d [PATCH v2 1/2] block: add BPF kfuncs to read blkcg io.stat
  2026-08-17 · Ziyang Men <hidden>
• COLD60d [PATCH 1/2] block: add BPF kfuncs to read blkcg io.stat
  2026-08-07 · Ziyang Men <hidden>
• STALE128d [PATCH 9/9] block: move the fail request code
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 8/9] block: add configurable error injection
  2026-06-02 · Christoph Hellwig <hch@lst.de>

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.

• STALE128d [PATCH 1/9] block: remove ALLOW_ERROR_INJECTION for should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 2/9] block: consolidate the calls to should_fail_bio
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 3/9] block: refactor should_fail_bio and should_fail_request
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 4/9] block: move the FAIL_MAKE_REQUEST symbol from lib/ to block/
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 5/9] block: add a macro to initialize the status table
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 6/9] block: add a "tag" for block status codes
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 7/9] block: add a str_to_blk_op helper
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• STALE128d [PATCH 9/9] block: move the fail request code
  2026-06-02 · Christoph Hellwig <hch@lst.de>
• COLD32d [RFC PATCH 1/8] blk-iocost: add iocost_ioc_tick tracepoint for per-period device summary
  2026-09-08 · Tao Cui <hidden>
• COLD32d [RFC PATCH 5/8] blk-iocost: add ctrl=bpf per-device opt-in
  2026-09-08 · Tao Cui <hidden>