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)

• Sebastian Andrzej Siewior <bigeasy@linutronix.de>
  4 attestations (2 Reviewed-by, 2 Suggested-by) · last on 2026-05-12

Recent patches

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

• [PATCH v7 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-05-12 · Ionut Nechita (Wind River) <hidden>
• [PATCH v6 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-05-06 · Ionut Nechita (Wind River) <hidden>
• [ANNOUNCE] 6.6.129-rt70
  2026-03-06 · Clark Williams <hidden>
• [PATCH v5 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-03-03 · Ionut Nechita (Wind River) <hidden>
• [PATCH v4] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-02-13 · Ionut Nechita (Wind River) <hidden>
• [PATCH v3 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-02-11 · Ionut Nechita (Wind River) <hidden>
• [PATCH v2 1/1] block/blk-mq: fix RT kernel regression with dedicated quiesce_sync_lock
  2026-02-10 · Ionut Nechita (Wind River) <hidden>
• [ANNOUNCE] v6.11-rt7
  2024-09-16 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v6.10-rc5-rt9
  2024-06-25 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.19-rc3-rt5
  2022-06-24 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [RT] WARNING at hrtimer_start_range_ns
  2022-06-15 · Juri Lelli <juri.lelli@redhat.com>
• [ANNOUNCE] v5.19-rc2-rt3
  2022-06-13 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] 4.9.312-rt193
  2022-05-10 · Mark Gross <markgross@kernel.org>
• [ANNOUNCE] v5.18-rc5-rt5
  2022-05-06 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [PATCH v2 2/2] blktrace: switch trace spinlock to a raw spinlock
  2021-12-13 · Wander Lairson Costa <hidden>
• [PATCH v2 1/2] block: Avoid sleeping function called from invalid context bug
  2021-12-13 · Wander Lairson Costa <hidden>
• [PREEMPT_RT PATCH 2/2] blktrace: switch trace spinlock to a raw spinlock
  2021-12-10 · Wander Lairson Costa <hidden>
• [PREEMPT_RT PATCH 1/2] block: Avoid sleeping function called from invalid context bug
  2021-12-10 · Wander Lairson Costa <hidden>
• [ANNOUNCE] v5.11-rt6
  2021-02-18 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.10.16-rt30
  2021-02-16 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.10.12-rt26
  2021-02-03 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.10.1-rt19
  2020-12-17 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• Re: [PATCH 3/3] blk-mq: Use llist_head for blk_cpu_done
  2020-11-02 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.10-rc1-rt2
  2020-10-30 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [PATCH 2/3] blk-mq: Always complete remote completions requests in softirq
  2020-10-28 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [PATCH 3/3] blk-mq: Use llist_head for blk_cpu_done
  2020-10-28 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [PATCH 1/3] blk-mq: Don't complete on a remote CPU in force threaded mode
  2020-10-28 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• [ANNOUNCE] v5.9.1-rt20
  2020-10-28 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• Re: [PATCH RFC] blk-mq: Don't IPI requests on PREEMPT_RT
  2020-10-27 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• Re: [PATCH RFC] blk-mq: Don't IPI requests on PREEMPT_RT
  2020-10-27 · Christoph Hellwig <hch@infradead.org>

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.

• [PATCH v4] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-02-13 · Ionut Nechita (Wind River) <hidden> · 1 Reviewed-by
• [PATCH v7 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
  2026-05-12 · Ionut Nechita (Wind River) <hidden> · 1 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.

• [ANNOUNCE] 6.6.129-rt70
  2026-03-06 · Clark Williams <hidden>