linux-kernel - [GIT PULL] Btrfs fixes for 6.8-rc2

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Date: Mon, 22 Jan 2024 19:33:44 +0100
From: David Sterba <dsterba@...e.com>
To: torvalds@...ux-foundation.org
Cc: David Sterba <dsterba@...e.com>,
	linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [GIT PULL] Btrfs fixes for 6.8-rc2

Hi,

please pull the following fixes. Thanks.

- zoned mode fixes:
  - fix slowdown when writing large file sequentially by looking up
    block groups with enough space faster
  - locking fixes when activating a zone

- new mount API fixes:
  - preserve mount options for a ro/rw mount of the same subvolume

- scrub fixes:
  - fix use-after-free in case the chunk length is not aligned to 64K,
    this does not happen normally but has been reported on images
    converted from ext4
  - similar alignment check was missing with raid-stripe-tree

- subvolume deletion fixes:
  - prevent calling ioctl on already deleted subvolume
  - properly track flag tracking a deleted subvolume

- in subpage mode, fix decompression of an inline extent (zlib, lzo, zstd)

- fix crash when starting writeback on a folio, after integration with
  recent MM changes this needs to be started conditionally

- reject unknown flags in defrag ioctl

- error handling, API fixes, minor warning fixes

----------------------------------------------------------------
The following changes since commit e94dfb7a2935cb91faca88bf7136177d1ce0dda8:

  btrfs: pass btrfs_io_geometry into btrfs_max_io_len (2023-12-15 23:03:59 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git tags/for-6.8-rc1-tag

for you to fetch changes up to 7f2d219e78e95a137a9c76fddac7ff8228260439:

  btrfs: scrub: limit RST scrub to chunk boundary (2024-01-18 23:43:08 +0100)

----------------------------------------------------------------
Chung-Chiang Cheng (1):
      btrfs: tree-checker: fix inline ref size in error messages

David Sterba (1):
      btrfs: don't warn if discard range is not aligned to sector

Dmitry Antipov (1):
      btrfs: fix kvcalloc() arguments order in btrfs_ioctl_send()

Fedor Pchelkin (1):
      btrfs: ref-verify: free ref cache before clearing mount opt

Josef Bacik (2):
      btrfs: use the original mount's mount options for the legacy reconfigure
      btrfs: don't unconditionally call folio_start_writeback in subpage

Naohiro Aota (4):
      btrfs: zoned: factor out prepare_allocation_zoned()
      btrfs: zoned: optimize hint byte for zoned allocator
      btrfs: fix unbalanced unlock of mapping_tree_lock
      btrfs: zoned: fix lock ordering in btrfs_zone_activate()

Omar Sandoval (2):
      btrfs: don't abort filesystem when attempting to snapshot deleted subvolume
      btrfs: avoid copying BTRFS_ROOT_SUBVOL_DEAD flag to snapshot of subvolume being deleted

Qu Wenruo (6):
      btrfs: defrag: reject unknown flags of btrfs_ioctl_defrag_range_args
      btrfs: zlib: fix and simplify the inline extent decompression
      btrfs: lzo: fix and simplify the inline extent decompression
      btrfs: zstd: fix and simplify the inline extent decompression
      btrfs: scrub: avoid use-after-free when chunk length is not 64K aligned
      btrfs: scrub: limit RST scrub to chunk boundary

 fs/btrfs/compression.c     | 23 ++++++++++-----
 fs/btrfs/compression.h     |  6 ++--
 fs/btrfs/extent-tree.c     | 53 ++++++++++++++++++++++++---------
 fs/btrfs/inode.c           | 22 ++++++++------
 fs/btrfs/ioctl.c           |  7 +++++
 fs/btrfs/lzo.c             | 34 ++++++---------------
 fs/btrfs/ref-verify.c      |  6 ++--
 fs/btrfs/scrub.c           | 36 ++++++++++++++++++-----
 fs/btrfs/send.c            |  4 +--
 fs/btrfs/subpage.c         |  3 +-
 fs/btrfs/super.c           |  8 +++++
 fs/btrfs/tree-checker.c    |  2 +-
 fs/btrfs/volumes.c         |  2 --
 fs/btrfs/zlib.c            | 73 ++++++++++++----------------------------------
 fs/btrfs/zoned.c           |  8 ++---
 fs/btrfs/zstd.c            | 73 +++++++++++++---------------------------------
 include/uapi/linux/btrfs.h |  3 ++
 17 files changed, 178 insertions(+), 185 deletions(-)