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Message-ID: <aOAOS864BmSwjfGm@google.com>
Date: Fri, 3 Oct 2025 17:56:27 +0000
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux F2FS Dev Mailing List <linux-f2fs-devel@...ts.sourceforge.net>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] f2fs for 6.18-rc1
Hi Linus,
Could you please consider this pull request?
Thanks,
The following changes since commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585:
Linux 6.17-rc1 (2025-08-10 19:41:16 +0300)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git tags/f2fs-for-6.18-rc1
for you to fetch changes up to 4e715744bf7b4e5521cc3b77f310060f862cb719:
f2fs: add missing dput() when printing the donation list (2025-10-03 03:16:10 +0000)
----------------------------------------------------------------
f2fs-for-6.18-rc1
This release focuses on two primary updates for Android devices. First, it sets
hash-based file name lookup as the default method to improve performance, while
retaining an option to fall back to a linear lookup. Second, it resolves a
persistent issue with the checkpoint=enable feature. The update further boosts
performance by prefetching node blocks, merging FUA writes more efficiently, and
optimizing block allocation policies.
The release is rounded out by a comprehensive set of bug fixes that address
memory safety, data integrity, and potential system hangs, along with minor
documentation and code clean-ups.
Enhancement:
- add mount option and sysfs entry to tune the lookup mode
- dump more information and add a timeout when enabling/disabling checkpoints
- readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
- merge FUA command with the existing writes
- allocate HOT_DATA for IPU writes
- Use allocate_section_policy to control write priority in multi-devices setups
- add reserved nodes for privileged users
- Add bggc_io_aware to adjust the priority of BG_GC when issuing IO
- show the list of donation files
Bug fix:
- add missing dput() when printing the donation list
- fix UAF issue in f2fs_merge_page_bio()
- add sanity check on ei.len in __update_extent_tree_range()
- fix infinite loop in __insert_extent_tree()
- fix zero-sized extent for precache extents
- fix to mitigate overhead of f2fs_zero_post_eof_page()
- fix to avoid migrating empty section
- fix to truncate first page in error path of f2fs_truncate()
- fix to update map->m_next_extent correctly in f2fs_map_blocks()
- fix wrong layout information on 16KB page
- fix to do sanity check on node footer for non inode dnode
- fix to avoid NULL pointer dereference in f2fs_check_quota_consistency()
- fix to detect potential corrupted nid in free_nid_list
- fix to clear unusable_cap for checkpoint=enable
- fix to zero data after EOF for compressed file correctly
- fix to avoid overflow while left shift operation
- fix condition in __allow_reserved_blocks()
----------------------------------------------------------------
Bagas Sanjaya (6):
Documentation: f2fs: Separate errors mode subtable
Documentation: f2fs: Format compression level subtable
Documentation: f2fs: Span write hint table section rows
Documentation: f2fs: Wrap snippets in literal code blocks
Documentation: f2fs: Indent compression_mode option list
Documentation: f2fs: Reword title
Chao Yu (22):
f2fs: dump more information when checkpoint was blocked for long time
f2fs: add time stats of checkpoint for debug
f2fs: fix condition in __allow_reserved_blocks()
f2fs: fix to avoid overflow while left shift operation
f2fs: fix to zero data after EOF for compressed file correctly
f2fs: clean up f2fs_truncate_partial_cluster()
f2fs: fix to clear unusable_cap for checkpoint=enable
f2fs: fix to detect potential corrupted nid in free_nid_list
f2fs: add timeout in f2fs_enable_checkpoint()
f2fs: dump more information for f2fs_{enable,disable}_checkpoint()
f2fs: clean up w/ get_left_section_blocks()
f2fs: fix to avoid NULL pointer dereference in f2fs_check_quota_consistency()
f2fs: fix to allow removing qf_name
f2fs: fix to do sanity check on node footer for non inode dnode
f2fs: avoid unnecessary folio_clear_uptodate() for cleanup
f2fs: clean up error handing of f2fs_submit_page_read()
f2fs: fix to update map->m_next_extent correctly in f2fs_map_blocks()
f2fs: fix to truncate first page in error path of f2fs_truncate()
f2fs: fix to avoid migrating empty section
f2fs: fix to mitigate overhead of f2fs_zero_post_eof_page()
f2fs: add sanity check on ei.len in __update_extent_tree_range()
f2fs: fix UAF issue in f2fs_merge_page_bio()
Chunhai Guo (1):
f2fs: add reserved nodes for privileged users
Daniel Lee (2):
f2fs: add lookup_mode mount option
f2fs: add sysfs entry for effective lookup mode
Jaegeuk Kim (5):
f2fs: show the list of donation files
f2fs: allocate HOT_DATA for IPU writes
f2fs: merge FUA command with the existing writes
f2fs: fix wrong layout information on 16KB page
f2fs: add missing dput() when printing the donation list
Liao Yuanhong (2):
f2fs: Add bggc_io_aware to adjust the priority of BG_GC when issuing IO
f2fs: Use allocate_section_policy to control write priority in multi-devices setups
Soham Metha (1):
docs: f2fs: fixed spelling mistakes in documentation
Yunji Kang (1):
f2fs: readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
mason.zhang (1):
f2fs: add error checking in do_write_page()
wangzijie (2):
f2fs: fix zero-sized extent for precache extents
f2fs: fix infinite loop in __insert_extent_tree()
Documentation/ABI/testing/sysfs-fs-f2fs | 56 ++++++++++++++-
Documentation/filesystems/f2fs.rst | 122 ++++++++++++++++++++------------
fs/f2fs/checkpoint.c | 53 ++++++++++++++
fs/f2fs/compress.c | 43 ++++++-----
fs/f2fs/data.c | 59 ++++++---------
fs/f2fs/dir.c | 17 ++++-
fs/f2fs/extent_cache.c | 15 ++++
fs/f2fs/f2fs.h | 88 ++++++++++++++++++-----
fs/f2fs/file.c | 49 +++++++------
fs/f2fs/gc.c | 25 ++++++-
fs/f2fs/node.c | 77 ++++++++++++++------
fs/f2fs/node.h | 1 +
fs/f2fs/recovery.c | 2 +-
fs/f2fs/segment.c | 30 +++++++-
fs/f2fs/segment.h | 28 ++++----
fs/f2fs/super.c | 121 +++++++++++++++++++++++++++----
fs/f2fs/sysfs.c | 119 ++++++++++++++++++++++++++++++-
include/linux/f2fs_fs.h | 1 +
18 files changed, 702 insertions(+), 204 deletions(-)
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