ext4 file system · Maintained

Maintainers

• M "Theodore Ts'o" <tytso@mit.edu>
• R Andreas Dilger <adilger.kernel@dilger.ca>
• R Baokun Li <libaokun@linux.alibaba.com>
• R Jan Kara <jack@suse.cz>
• R Ojaswin Mujoo <ojaswin@linux.ibm.com>
• R Ritesh Harjani <ritesh.list@gmail.com>
• R Zhang Yi <yi.zhang@huawei.com>

Paths

• F Documentation/filesystems/ext4/
• F fs/ext4/
• F include/trace/events/ext4.h
• F include/uapi/linux/ext4.h

Last 30 days

Most active threads (last 7 days)

• COOLING6d [PATCH v2] ext4: propagate errors from fast commit range replay
  2026-07-12 03:13 · 0 replies in 7d · Guanghui Yang <hidden>

Active reviewers (last 30 days)

• Ojaswin Mujoo <ojaswin@linux.ibm.com>
  4 attestations (2 Reviewed-by, 2 Tested-by) · last on 2026-07-02
• Jan Kara <jack@suse.cz>
  3 attestations (3 Reviewed-by) · last on 2026-07-02
• Zhang Yi <hidden>
  1 attestation (1 Suggested-by) · last on 2026-06-26

Recent patches

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

• COOLING6d [PATCH v2] ext4: propagate errors from fast commit range replay
  2026-07-12 · Guanghui Yang <hidden>
• COOLING9d [PATCH] ext4: clear error before retrying inode xattr space fallback
  2026-07-08 · Guanghui Yang <hidden>
• COOLING9d [PATCH] ext4: propagate errors from fast commit range replay
  2026-07-08 · Guanghui Yang <hidden>
• COOLING14d Re: Linux 6.1.177
  2026-07-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.260
  2026-07-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.211
  2026-07-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING9d [PATCH 6.1 076/129] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-07-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING9d [PATCH 5.15 55/95] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-07-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING10d [PATCH 5.10 58/96] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-07-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING14d REVIEWED: 11 (11M) [PATCH 6.6.y] ext4: get rid of ppath in get_ext_path()
  2026-07-02 · Yoann Congal <hidden>
• COLD16d [PATCH 5.10.y] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-06-30 · Yuto Ohnuki <hidden>
• COLD16d [PATCH 5.15.y] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-06-30 · Yuto Ohnuki <hidden>
• COLD16d [PATCH 6.1.y] ext4: add bounds check for inline data length in ext4_read_inline_page
  2026-06-30 · Yuto Ohnuki <hidden>
• COLD21d REVIEWED: 9 (9M) [PATCH v2] ext4: cancel dirty accounting for folios without buffers
  2026-06-26 · Zhu Jia <hidden>
• COOLING13d REVIEWED: 11 (11M) [PATCH] ext4: get rid of ppath in get_ext_path()
  2026-06-26 · Wang Jun <hidden>
• COLD22d [PATCH] ext4: cancel dirty accounting for folios without buffers
  2026-06-23 · Zhu Jia <hidden>
• DORMANTno replies Re: Linux 5.15.210
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.259
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD22d [PATCH 5.10 153/342] ext4: validate p_idx bounds in ext4_ext_correct_indexes
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING14d [PATCH 5.15 174/411] ext4: validate p_idx bounds in ext4_ext_correct_indexes
  2026-06-16 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD37d [PATCH 5.10/5.15] ext4: validate p_idx bounds in ext4_ext_correct_indexes
  2026-06-09 · Alexey Panov <hidden>
• DORMANTno replies REVIEWED: 9 (9M) [PATCH v3 2/2] ext4: avoid tail write_begin walk for uptodate folios
  2026-06-09 · Jia Zhu <hidden>
• COLD47d Re: Linux 6.1.175
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.209
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.258
  2026-06-01 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD46d [PATCH 6.1 291/969] ext4: validate p_idx bounds in ext4_ext_correct_indexes
  2026-05-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD56d Re: Linux 7.0.10
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.33
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD50d Re: Linux 6.12.91
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD52d REVIEWED: 3 (3M) [PATCH 6.12 344/666] ext4: fix possible null-ptr-deref in mbt_kunit_exit()
  2026-05-20 · Greg Kroah-Hartman <gregkh@linuxfoundation.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.

• STALE190d REVIEWED: 9 (9M) [PATCH 6.2-5.10 v3 1/2] ext4: introduce ITAIL helper
  2026-01-09 · David Nyström <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 9 (9M) [PATCH 6.2-5.10 v3 2/2] ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()
  2026-01-09 · David Nyström <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 5.15.y] ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}
  2026-01-28 · Bin Lan <hidden> · 1 Reviewed-by
• STALE122d REVIEWED: 11 (10M) [PATCH AUTOSEL 6.19-6.12] ext4: use reserved metadata blocks when splitting extent on endio
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 3 Reviewed-by
• STALE122d REVIEWED: 10 (10M) [PATCH AUTOSEL 6.19-6.6] ext4: move ext4_percpu_param_init() before ext4_mb_init()
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• STALE122d REVIEWED: 10 (10M) [PATCH AUTOSEL 6.19-6.12] ext4: propagate flags to convert_initialized_extent()
  2026-02-14 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by
• STALE143d REVIEWED: 2 (1M) FAILED: patch "[PATCH] ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before" failed to apply to 6.18-stable tree
  2026-02-24 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• STALE143d REVIEWED: 2 (1M) FAILED: patch "[PATCH] ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before" failed to apply to 6.12-stable tree
  2026-02-24 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• STALE143d REVIEWED: 2 (1M) FAILED: patch "[PATCH] ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before" failed to apply to 6.6-stable tree
  2026-02-24 · <gregkh@linuxfoundation.org> · 2 Reviewed-by
• STALE119d REVIEWED: 2 (1M) FAILED: patch "[PATCH] ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before" failed to apply to 6.1-stable tree
  2026-02-24 · <gregkh@linuxfoundation.org> · 2 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.

• DORMANTno replies Re: Linux 6.18.3
  2026-01-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies [PATCH 6.6 2/2] ext4: fix error message when rejecting the default hash
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden>
• STALE191d [PATCH 6.1 2/3] ext4: factor out ext4_hash_info_init()
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden>
• DORMANTno replies [PATCH 6.1 3/3] ext4: fix error message when rejecting the default hash
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden>
• STALE191d [PATCH 5.15 2/3] ext4: factor out ext4_hash_info_init()
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden>
• DORMANTno replies [PATCH 5.15 3/3] ext4: fix error message when rejecting the default hash
  2026-01-08 · Thadeu Lima de Souza Cascardo <hidden>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE188d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE183d [PATCH 5.15 077/554] ext4: minor defrag code improvements
  2026-01-15 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>