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

Recent patches

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

• COLD22d [PATCH 1/2] tracing: Embed 'char comm[16]' in a structure
  2026-06-26 · David Laight <hidden>
• COLD58d [PATCH v9] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-25 · Aaron Tomlin <atomlin@atomlin.com>
• COLD60d REVIEWED: 11 (8M) [PATCH v8] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-24 · Aaron Tomlin <atomlin@atomlin.com>
• STALE61d REVIEWED: 11 (8M) [PATCH v7] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-23 · Aaron Tomlin <atomlin@atomlin.com>
• DORMANTno replies [PATCH] tracing/blktrace: Use sysfs_emit() for sysfs show callbacks
  2026-05-19 · Yu Peng <hidden>
• STALE64d [PATCH v6 2/2] blk-mq: expose tag starvation counts via debugfs
  2026-05-17 · Aaron Tomlin <atomlin@atomlin.com>
• STALE64d REVIEWED: 11 (8M) [PATCH v6 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-17 · Aaron Tomlin <atomlin@atomlin.com>
• STALE82d [PATCH v2] blktrace: reject buf_size smaller than blk_io_trace2
  2026-05-03 · Deepanshu Kartikey <hidden>
• STALE67d [PATCH v5 2/2] blk-mq: expose tag starvation counts via debugfs
  2026-04-27 · Aaron Tomlin <atomlin@atomlin.com>
• STALE67d REVIEWED: 11 (8M) [PATCH v5 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-04-27 · Aaron Tomlin <atomlin@atomlin.com>
• DORMANTno replies [PATCH v4 2/2] blk-mq: expose tag starvation counts via debugfs
  2026-04-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE96d REVIEWED: 11 (8M) [PATCH v4 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-04-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE82d [PATCH] blktrace: reject buf_size smaller than blk_io_trace
  2026-03-22 · Deepanshu Kartikey <hidden>
• STALE97d [PATCH v3 2/2] blk-mq: expose tag starvation counts via debugfs
  2026-03-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE97d REVIEWED: 11 (8M) [PATCH v3 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE126d [PATCH v2] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE127d [PATCH] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-17 · Aaron Tomlin <atomlin@atomlin.com>
• STALE99d [PATCH 54/61] aoe: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE143d [PATCH V2] blktrace: fix __this_cpu_read/write in preemptible context
  2026-03-02 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE146d Re: [PATCH] blktrace: fix __this_cpu_read/write in preemptible context
  2026-02-27 · Steven Rostedt <rostedt@goodmis.org>
• STALE146d [PATCH] blktrace: fix __this_cpu_read/write in preemptible context
  2026-02-27 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE156d [PATCH v2] blk-mq: use NOIO context to prevent deadlock during debugfs creation
  2026-02-14 · Yu Kuai <hidden>
• STALE161d [PATCH] blk-mq: use NOIO context to prevent deadlock during debugfs creation
  2026-02-12 · Yu Kuai <hidden>
• STALE161d REVIEWED: 7 (7M) [PATCH V4] blktrace: log dropped REQ_OP_ZONE_XXX events ver1
  2026-02-11 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE167d [PATCH v5 2/3] blktrace: Make init_blk_tracer() asynchronous
  2026-02-04 · Yaxiong Tian <hidden>
• STALE172d [PATCH v4 5/5] blktrace: Make init_blk_tracer() asynchronous when trace_async_init set
  2026-01-28 · Yaxiong Tian <hidden>
• STALE177d [PATCH v3 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-27 · Yaxiong Tian <hidden>
• STALE178d [PATCH v2 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-26 · Yaxiong Tian <hidden>
• STALE179d [PATCH 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-22 · Yaxiong Tian <hidden>
• STALE198d [PATCH 2/4] cgroup: Introduce cgroup_level() helper
  2025-12-17 · Michal Koutný <mkoutny@suse.com>

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.

• STALE161d REVIEWED: 7 (7M) [PATCH V4] blktrace: log dropped REQ_OP_ZONE_XXX events ver1
  2026-02-11 · Chaitanya Kulkarni <kch@nvidia.com> · 1 Reviewed-by
• STALE61d REVIEWED: 11 (8M) [PATCH v7] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-23 · Aaron Tomlin <atomlin@atomlin.com> · 4 Reviewed-by, 1 Tested-by
• COLD60d REVIEWED: 11 (8M) [PATCH v8] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-24 · Aaron Tomlin <atomlin@atomlin.com> · 4 Reviewed-by, 1 Tested-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.

• STALE179d [PATCH 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-22 · Yaxiong Tian <hidden>
• STALE178d [PATCH v2 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-26 · Yaxiong Tian <hidden>
• STALE177d [PATCH v3 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-27 · Yaxiong Tian <hidden>
• STALE167d [PATCH v5 2/3] blktrace: Make init_blk_tracer() asynchronous
  2026-02-04 · Yaxiong Tian <hidden>
• DORMANTno replies [PATCH v4 2/2] blk-mq: expose tag starvation counts via debugfs
  2026-04-19 · Aaron Tomlin <atomlin@atomlin.com>
• DORMANTno replies [PATCH] tracing/blktrace: Use sysfs_emit() for sysfs show callbacks
  2026-05-19 · Yu Peng <hidden>