btrfs file system · Maintained

Maintainers

• M Chris Mason <clm@fb.com>
• M David Sterba <dsterba@suse.com>

Paths

• F Documentation/filesystems/btrfs.rst
• F fs/btrfs/
• F include/linux/btrfs*
• F include/trace/events/btrfs.h
• F include/uapi/linux/btrfs*

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH 6.18 000/675] 6.18.42-rc1 review
  2026-07-30 15:04 · 7 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 7.1 000/744] 7.1.6-rc1 review
  2026-07-30 14:28 · 6 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 6.12 000/602] 6.12.101-rc1 review
  2026-07-30 15:34 · 4 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [PATCH 6.6 000/484] 6.6.148-rc1 review
  2026-07-30 16:02 · 3 replies in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d [PATCH] btrfs: fix extent changeset leak in encoded writes
  2026-07-31 11:47 · 0 replies in 7d · Breno Leitao <leitao@debian.org>

Active reviewers (last 30 days)

• Boris Burkov <hidden>
  54 attestations (52 Reviewed-by, 2 Tested-by) · last on 2026-07-21
• Qu Wenruo <hidden>
  22 attestations (22 Reviewed-by) · last on 2026-07-30
• Filipe Manana <hidden>
  22 attestations (22 Reviewed-by) · last on 2026-07-30
• David Sterba <dsterba@suse.com>
  19 attestations (1 Acked-by, 18 Reviewed-by) · last on 2026-07-30
• Dan Carpenter <hidden>
  7 attestations (7 Reported-by) · last on 2026-07-21
• Johannes Thumshirn <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-07-30
• Naohiro Aota <naohiro.aota@wdc.com>
  6 attestations (6 Reviewed-by) · last on 2026-07-21
• Weiming Shi <hidden>
  4 attestations (4 Reported-by) · last on 2026-07-30
• Su Yue <hidden>
  4 attestations (4 Reported-by) · last on 2026-07-20
• Jeff Layton <jlayton@kernel.org>
  3 attestations (3 Reviewed-by) · last on 2026-07-30

Recent patches

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

• WARM1d [PATCH] btrfs: fix extent changeset leak in encoded writes
  2026-07-31 · Breno Leitao <leitao@debian.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.6 131/484] btrfs: free mapping node on duplicate reloc root insert
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 6 (4M) [PATCH 6.6 034/484] btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.6 033/484] btrfs: reject free space cache with more entries than pages
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.12 153/602] btrfs: free mapping node on duplicate reloc root insert
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.12 152/602] btrfs: dont propagate EXTENT_FLAG_LOGGING to split extent maps
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.12 041/602] btrfs: reject free space cache with more entries than pages
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 6 (4M) [PATCH 6.12 042/602] btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.18 187/675] btrfs: free mapping node on duplicate reloc root insert
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.18 186/675] btrfs: dont propagate EXTENT_FLAG_LOGGING to split extent maps
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.18 185/675] btrfs: fix u32 to s64 type conversion in dirty_metadata_bytes accounting
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 6.18 044/675] btrfs: fallback to transaction csum tree on a commit root csum miss
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.18 043/675] btrfs: use bool type for btrfs_path members used as booleans
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 6 (4M) [PATCH 6.18 042/675] btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 6.18 041/675] btrfs: reject free space cache with more entries than pages
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 7.1 195/744] btrfs: free mapping node on duplicate reloc root insert
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 7.1 194/744] btrfs: dont propagate EXTENT_FLAG_LOGGING to split extent maps
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 7.1 193/744] btrfs: fix u32 to s64 type conversion in dirty_metadata_bytes accounting
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH 7.1 026/744] btrfs: fallback to transaction csum tree on a commit root csum miss
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 6 (4M) [PATCH 7.1 025/744] btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday REVIEWED: 5 (4M) [PATCH 7.1 024/744] btrfs: reject free space cache with more entries than pages
  2026-07-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.40
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.97
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING8d Re: Linux 6.6.145
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.178
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.261
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.212
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING8d REVIEWED: 2 (0M) [PATCH 5.10 246/699] btrfs: fix invalid pointer dereference in __btrfs_run_delayed_refs()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING9d REVIEWED: 2 (0M) [PATCH 5.15 324/843] btrfs: fix invalid pointer dereference in __btrfs_run_delayed_refs()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING9d REVIEWED: 2 (1M) [PATCH 6.1 0411/1067] btrfs: zoned: dont account data relocation space-info in statfs free space
  2026-07-21 · 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.

• DORMANTno replies REVIEWED: 5 (4M) [PATCH v6.12] btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
  2026-01-27 · Rahul Sharma <hidden> · 2 Reviewed-by
• STALE184d REVIEWED: 4 (4M) [PATCH AUTOSEL 6.18] btrfs: fix Wmaybe-uninitialized warning in replay_one_buffer()
  2026-01-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE184d REVIEWED: 1 (0M) [PATCH AUTOSEL 6.18] btrfs: sync read disk super and set block size
  2026-01-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE184d REVIEWED: 6 (4M) [PATCH AUTOSEL 6.18-6.12] btrfs: reject new transactions if the fs is fully read-only
  2026-01-28 · Sasha Levin <sashal@kernel.org> · 3 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH stable 6.10-6.16] btrfs: prevent use-after-free on folio private data in btrfs_subpage_clear_uptodate()
  2026-02-01 · JP Kobryn <inwardvessel@gmail.com> · 1 Reviewed-by
• STALE179d REVIEWED: 4 (4M) [PATCH AUTOSEL 6.18] btrfs: fix Wmaybe-uninitialized warning in replay_one_buffer()
  2026-02-02 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE179d REVIEWED: 1 (0M) [PATCH AUTOSEL 6.18] btrfs: sync read disk super and set block size
  2026-02-02 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE179d REVIEWED: 6 (4M) [PATCH AUTOSEL 6.18-6.12] btrfs: reject new transactions if the fs is fully read-only
  2026-02-02 · Sasha Levin <sashal@kernel.org> · 3 Reviewed-by
• DORMANTno replies REVIEWED: 5 (4M) [PATCH 6.6.y] btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
  2026-02-09 · Rahul Sharma <hidden> · 2 Reviewed-by
• DORMANTno replies REVIEWED: 5 (4M) [PATCH 6.1.y] btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
  2026-02-10 · Rahul Sharma <hidden> · 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 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE202d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.161
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.121
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.66
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.6
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.198
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.248
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.67
  2026-01-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>