v6.9

• mkfs:
  • if --force used, don't continue if the mount status cannot be determined (e.g. due to permissions)
  • fix minimum size calculation on zoned devices, make it work with option -b
• check:
  • option --clear-ino-cache removed (functionality still provided in 'rescue' command group)
  • detect and repair wrong file extent item ram_bytes value
• qgroup clear-stale:
  • sync the filesystem before search to read the up to date state
  • handle cases where qgroup cannot be deleted due to uncleaned subvolume or when squota is enabled
• qgroup show: display status of qgroup regarding the cleaning of the subvolume or if it's squota
• receive: fix stream parsing on strict alignment hosts (e.g. ARM v5 or v6)
• tune change-csum: fix check of dev-replace status item, continue if no dev-replace in progress
• dump-tree: print contents of dev-replace status item
• convert: fix extent iteration to handle prealloc/unwritten extents
• libbtrfsutil:
  • patchlevel version update 1.3.1
  • fix potentially unaligned access to send stream
  • create library links to all version levels
• libbtrfs:
  • patchlevel version update 0.1.3
  • fix potentially unaligned access to send stream
  • create library links to all version levels
• build:
  • fix compatibility with e2fsprogs 1.47.1
  • fix header file dependency tracking
  • -O2 by default
• other:
  • new and updated tests
  • ASAN and UBSAN test coverage in CI
  • documentation updates