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: [PATCHv2 3/5] xfs: report direct io attributes through file_getattr
  2026-07-14 21:09 · 1 reply in 7d · Christoph Hellwig <hch@infradead.org>
• HOTtoday [PATCH v3 00/17] fscrypt: Standardize on blk-crypto
  2026-07-13 02:39 · 3 replies in 7d · Eric Biggers <ebiggers@kernel.org>

Active reviewers (last 30 days)

• Christoph Hellwig <hch@lst.de>
  4 attestations (4 Reviewed-by) · last on 2026-07-13

Recent patches

Most-recent 30 patches in this subsystem on linux-ext4 (capped at 30), ordered by date desc.

• WARM3d Re: [PATCHv2 3/5] xfs: report direct io attributes through file_getattr
  2026-07-14 · Keith Busch <kbusch@kernel.org>
• HOTtoday [PATCH v3 03/17] blk-crypto: Allow control over whether hardware is used
  2026-07-13 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v3 02/17] blk-crypto: Fold __blk_crypto_cfg_supported() into its caller
  2026-07-13 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday REVIEWED: 4 (4M) [PATCH v3 01/17] blk-crypto: Simplify check for fallback support
  2026-07-13 · Eric Biggers <ebiggers@kernel.org>
• COOLING12d [PATCH v2 03/17] blk-crypto: Allow control over whether hardware is used
  2026-07-05 · Eric Biggers <ebiggers@kernel.org>
• COOLING12d REVIEWED: 4 (4M) [PATCH v2 02/17] blk-crypto: Fold __blk_crypto_cfg_supported() into its caller
  2026-07-05 · Eric Biggers <ebiggers@kernel.org>
• COOLING12d REVIEWED: 4 (4M) [PATCH v2 01/17] blk-crypto: Simplify check for fallback support
  2026-07-05 · Eric Biggers <ebiggers@kernel.org>
• HOTtoday [PATCH v2 17/18] iomap: pass iomap_next_fn directly instead of struct iomap_ops
  2026-07-01 · Joanne Koong <joannelkoong@gmail.com>
• COLD22d [PATCH 03/16] blk-crypto: Allow control over whether hardware is used
  2026-06-24 · Eric Biggers <ebiggers@kernel.org>
• COLD22d [PATCH 01/16] blk-crypto: Simplify check for fallback support
  2026-06-24 · Eric Biggers <ebiggers@kernel.org>
• COLD22d [PATCH 02/16] blk-crypto: Fold __blk_crypto_cfg_supported() into its caller
  2026-06-24 · Eric Biggers <ebiggers@kernel.org>
• COLD36d Re: [PATCH] iomap: enforce DIO alignment check in iomap
  2026-06-11 · Keith Busch <kbusch@kernel.org>
• STALE61d [PATCH 09/12] swap: push down setting sis->bdev into ->swap_activate
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE61d [PATCH 07/12] swap,block: limit swap file size to device size
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• STALE61d [PATCH 06/12] swap,block: move the block device swapon code into block/fops.c
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• DORMANTno replies [RFC v1 1/1] buffer_head: fail fast on repeated reads after I/O errors
  2026-05-06 · Diangang Li <hidden>
• STALE109d REVIEWED: 1 (0M) [PATCH] loop: block loop reconfiguration of offset/sizelimit on mounted device
  2026-03-30 · Deepanshu Kartikey <hidden>
• STALE110d Re: SYZKALLER BUG: messing with a mounted file system via loop ioctls (was: Re: [PATCH] ext4: add bounds check in ext4_xattr_ibody_get() to) prevent out-of-bounds access
  2026-03-29 · "Theodore Tso" <tytso@mit.edu>
• STALE108d [PATCH 05/42] bdev: Drop pointless invalidate_inode_buffers() call
  2026-03-26 · Jan Kara <jack@suse.cz>
• STALE114d [PATCH 05/41] bdev: Drop pointless invalidate_inode_buffers() call
  2026-03-20 · Jan Kara <jack@suse.cz>
• STALE93d [PATCH 54/61] aoe: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE106d [PATCH 7/8] drivers: ALSA: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE130d [PATCH 21/32] bdev: Drop pointless invalidate_mapping_buffers() call
  2026-03-03 · Jan Kara <jack@suse.cz>
• STALE141d REVIEWED: 9 (9M) [PATCH RFC v2 2/2] block: enable RWF_DONTCACHE for block devices
  2026-02-25 · Tal Zussman <hidden>
• STALE142d [PATCH RFC] block: enable RWF_DONTCACHE for block devices
  2026-02-18 · Tal Zussman <hidden>
• STALE227d [PATCH v3 2/2] block: enable per-cpu bio cache by default
  2025-11-14 · Fengnan Chang <hidden>
• STALE227d [PATCH v3 1/2] block: use bio_alloc_bioset for passthru IO by default
  2025-11-14 · Fengnan Chang <hidden>
• STALE240d [RFC PATCH 3/8] fs: Add initial buffered atomic write support info to statx
  2025-11-12 · Ojaswin Mujoo <ojaswin@linux.ibm.com>
• STALE240d [RFC PATCH 1/8] fs: Rename STATX{_ATTR}_WRITE_ATOMIC -> STATX{_ATTR}_WRITE_ATOMIC_DIO
  2025-11-12 · Ojaswin Mujoo <ojaswin@linux.ibm.com>
• STALE252d [PATCH v2 2/2] block: enable per-cpu bio cache by default
  2025-11-07 · Fengnan Chang <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.

• STALE109d REVIEWED: 1 (0M) [PATCH] loop: block loop reconfiguration of offset/sizelimit on mounted device
  2026-03-30 · Deepanshu Kartikey <hidden> · 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.

• STALE106d [PATCH 7/8] drivers: ALSA: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE114d [PATCH 05/41] bdev: Drop pointless invalidate_inode_buffers() call
  2026-03-20 · Jan Kara <jack@suse.cz>
• DORMANTno replies [RFC v1 1/1] buffer_head: fail fast on repeated reads after I/O errors
  2026-05-06 · Diangang Li <hidden>