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)

• WARM3d Re: [PATCH v3] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-09-03 23:51 · 2 replies in 7d · Ming Lei <tom.leiming@gmail.com>

Active reviewers (last 30 days)

• Matthew Wilcox <willy@infradead.org>
  1 attestation (1 Suggested-by) · last on 2026-08-14
• Christoph Hellwig <hch@infradead.org>
  1 attestation (1 Suggested-by) · last on 2026-08-14

Recent patches

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

• WARM3d [PATCH v8] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-09-03 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• WARM3d [PATCH v7.1] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-09-03 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• WARM3d [PATCH v7] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-08-28 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• COOLING12d [PATCH 1/2] io_uring/cmd: split io_uring_cmd_set_res() from io_uring_cmd_done()
  2026-08-27 · Caleb Sander Mateos <hidden>
• WARM3d Re: [PATCH v6] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-08-26 · Bart Van Assche <bvanassche@acm.org>
• WARM3d Re: [PATCH v6] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-08-25 · Bart Van Assche <bvanassche@acm.org>
• WARM3d [PATCH v6] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-08-23 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• COOLING6d [PATCH 1/7] filemap: Export filemap_invalidate_pages() to modules
  2026-08-20 · "Matthew Wilcox (Oracle)" <willy@infradead.org>
• COLD19d [PATCH v15 08/25] block: don't delay bio task completions
  2026-08-14 · Andrey Albershteyn <aalbersh@kernel.org>
• COLD19d [PATCH v15 07/25] block: add task-context bio completion infrastructure
  2026-08-14 · Andrey Albershteyn <aalbersh@kernel.org>
• COLD33d REVIEWED: 4 (4M) [PATCH 1/1] block: rename bi_bvec_done
  2026-08-06 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d REVIEWED: 4 (4M) [PATCH v5 08/16] block: add dma-buf support for raw bdev
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d [PATCH v5 07/16] block: introduce dma map backed bio type
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d [PATCH v5 06/16] block: introduce bio_iov_iter_set()
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d REVIEWED: 4 (4M) [PATCH v5 05/16] block: move bvec init into __bio_clone
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d REVIEWED: 4 (4M) [PATCH v5 04/16] block: always adjust bi_offset on bio_advance_iter
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD24d REVIEWED: 4 (4M) [PATCH v5 03/16] block: rename bi_bvec_done
  2026-08-01 · Pavel Begunkov <asml.silence@gmail.com>
• COLD33d Re: [PATCH v4 06/14] block: introduce dma map backed bio type
  2026-07-29 · Christoph Hellwig <hch@lst.de>
• COLD33d [PATCH v4 07/14] block: forward init_dma_buf_io_ctx to drivers
  2026-07-28 · Pavel Begunkov <asml.silence@gmail.com>
• COLD33d [PATCH v4 06/14] block: introduce dma map backed bio type
  2026-07-28 · Pavel Begunkov <asml.silence@gmail.com>
• COLD33d [PATCH v4 05/14] block: move bvec init into __bio_clone
  2026-07-28 · Pavel Begunkov <asml.silence@gmail.com>
• COLD33d [PATCH v4 04/14] block: always adjust bi_offset on bio_advance_iter
  2026-07-28 · Pavel Begunkov <asml.silence@gmail.com>
• COLD33d [PATCH v4 03/14] block: rename bi_bvec_done
  2026-07-28 · Pavel Begunkov <asml.silence@gmail.com>
• WARM3d [PATCH v5] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-07-16 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• COLD54d [PATCH] block: do not warn when doing greedy allocation in folio_alloc_greedy()
  2026-07-14 · Qu Wenruo <hidden>
• COLD50d [PATCH v2 17/18] iomap: pass iomap_next_fn directly instead of struct iomap_ops
  2026-07-01 · Joanne Koong <joannelkoong@gmail.com>
• WARM3d Re: [PATCH v4] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-06-20 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• STALE82d [PATCH v2 2/5] block: split bdev_yield_claim() out of bdev_fput()
  2026-06-16 · Christian Brauner <brauner@kernel.org>
• STALE82d REVIEWED: 9 (9M) [PATCH v2 1/5] block: allow making a block device unfreezable
  2026-06-16 · Christian Brauner <brauner@kernel.org>
• STALE70d [PATCH v4 2/3] block: respect iov_iter::nofault flag in bio_iov_iter_bounce_write()
  2026-06-16 · Qu Wenruo <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.

• STALE82d REVIEWED: 9 (9M) [PATCH v2 1/5] block: allow making a block device unfreezable
  2026-06-16 · Christian Brauner <brauner@kernel.org> · 1 Reviewed-by
• COLD33d REVIEWED: 4 (4M) [PATCH 1/1] block: rename bi_bvec_done
  2026-08-06 · Pavel Begunkov <asml.silence@gmail.com> · 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.

• WARM3d Re: [PATCH v4] loop: Fix NULL pointer dereference in lo_rw_aio()
  2026-06-20 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>