Merge tag 'for-7.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Another batch of fixes for problems that have been identified by tools
  analyzing code or by fuzzing. Most of them are short, two patches fix
  the same thing in many places so the diffs are bigger.

   - handle potential NULL pointer errors after attempting to read
     extent and checksum trees

   - prevent ENOSPC when creating many qgroups by ioctls in the same
     transaction

   - encoded write ioctl fixes (with 64K page and 4K block size):
       - fix unexpected bio length
       - do not let compressed bios and pages interfere with page cache

   - compression fixes on setups with 64K page and 4K block size: fix
     folio length assertions (zstd and lzo)

   - remap tree fixes:
       - make sure to hold block group reference while moving it
       - handle early exit when moving block group to unused list

   - handle deleted subvolumes with inconsistent state of deletion
     progress"

* tag 'for-7.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: reject root items with drop_progress and zero drop_level
  btrfs: check block group before marking it unused in balance_remap_chunks()
  btrfs: hold block group reference during entire move_existing_remap()
  btrfs: fix an incorrect ASSERT() condition inside lzo_decompress_bio()
  btrfs: fix an incorrect ASSERT() condition inside zstd_decompress_bio()
  btrfs: do not touch page cache for encoded writes
  btrfs: fix a bug that makes encoded write bio larger than expected
  btrfs: reserve enough transaction items for qgroup ioctls
  btrfs: check for NULL root after calls to btrfs_csum_root()
  btrfs: check for NULL root after calls to btrfs_extent_root()

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