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-bcache (capped at 30), ordered by date desc.

• STALE109d REVIEWED: 4 (4M) [PATCH 4/4] bio: use bio_io_error more often
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE109d REVIEWED: 4 (4M) [PATCH 3/4] bio: rename bio_chain arguments
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE109d [PATCH 2/4] block: get rid of blk_status_to_{errno,str} inconsistency
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com>
• STALE159d Re: Fwd: [PATCH v2] bcache: use bio cloning for detached device requests
  2026-01-21 · Stephen Zhang <hidden>
• STALE203d REVIEWED: 4 (4M) [PATCH v7 2/2] block: prohibit calls to bio_chain_endio
  2025-12-09 · zhangshida <hidden>
• STALE204d REVIEWED: 4 (4M) [PATCH v6 3/3] block: prevent race condition on bi_status in __bio_chain_endio
  2025-12-07 · zhangshida <hidden>
• STALE204d REVIEWED: 4 (4M) [PATCH v6 2/3] block: prohibit calls to bio_chain_endio
  2025-12-07 · zhangshida <hidden>
• STALE206d REVIEWED: 4 (4M) [PATCH v5 3/3] block: prevent race condition on bi_status in __bio_chain_endio
  2025-12-04 · zhangshida <hidden>
• STALE206d [PATCH v5 2/3] block: prohibit calls to bio_chain_endio
  2025-12-04 · zhangshida <hidden>
• STALE208d REVIEWED: 4 (4M) [PATCH v4 3/3] block: prevent race condition on bi_status in __bio_chain_endio
  2025-12-01 · zhangshida <hidden>
• STALE208d REVIEWED: 4 (4M) [PATCH v4 2/3] block: prohibit calls to bio_chain_endio
  2025-12-01 · zhangshida <hidden>
• STALE206d [PATCH v3 8/9] zram: Replace the repetitive bio chaining code patterns
  2025-11-29 · zhangshida <hidden>
• STALE206d [PATCH v3 4/9] block: export bio_chain_and_submit
  2025-11-29 · zhangshida <hidden>
• STALE206d [PATCH v3 3/9] block: prevent race condition on bi_status in __bio_chain_endio
  2025-11-29 · zhangshida <hidden>
• STALE206d [PATCH v3 2/9] block: prohibit calls to bio_chain_endio
  2025-11-29 · zhangshida <hidden>
• STALE205d [PATCH v2 10/12] zram: Replace the repetitive bio chaining code patterns
  2025-11-28 · zhangshida <hidden>
• STALE205d [PATCH v2 05/12] block: export bio_chain_and_submit
  2025-11-28 · zhangshida <hidden>
• STALE205d [PATCH v2 04/12] block: prohibit calls to bio_chain_endio
  2025-11-28 · zhangshida <hidden>
• STALE205d [PATCH v2 02/12] block: prevent race condition on bi_status in __bio_chain_endio
  2025-11-28 · zhangshida <hidden>
• STALE205d [PATCH v2 01/12] block: fix incorrect logic in bio_chain_endio
  2025-11-28 · zhangshida <hidden>
• STALE418d LANDED: 10 (9M) [PATCH 09/19] rnbd-srv: use bio_add_virt_nofail
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 8 (7M) [PATCH 07/19] block: simplify bio_map_kern
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 10 (9M) [PATCH 06/19] block: pass the operation to bio_{map,copy}_kern
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 10 (9M) [PATCH 05/19] block: remove the q argument from blk_rq_map_kern
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 8 (7M) [PATCH 04/19] block: add a bio_add_vmalloc helpers
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 8 (7M) [PATCH 03/19] block: add a bio_add_max_vecs helper
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 10 (9M) [PATCH 02/19] block: add a bdev_rw_virt helper
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE418d LANDED: 10 (9M) [PATCH 01/19] block: add a bio_add_virt_nofail helper
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• STALE420d REVIEWED: 10 (9M) [PATCH 09/19] rnbd-srv: use bio_add_virt_nofail
  2025-04-30 · Christoph Hellwig <hch@lst.de>
• STALE420d [PATCH 07/19] block: simplify bio_map_kern
  2025-04-30 · 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.

• STALE109d REVIEWED: 4 (4M) [PATCH 4/4] bio: use bio_io_error more often
  2026-03-04 · Andreas Gruenbacher <agruenba@redhat.com> · 1 Reviewed-by