Changes

• fixes:
  • dump-tree: don't print traling zeros in checksums
  • recognize paused balance as exclusive operation state, allow to start device add
  • convert: properly initialize target filesystem label
  • mkfs: don't create free space bitmaps for empty filesystem
  • dump-tree: print fs-verity items
  • fix location of system chunk on zoned filesystem
  • do not allow setting seeding flag on a filesystem with dirty log
  • mkfs and subpage support: use sectorsize as nodesize fallback for mixed profiles
• check:
  • repair wrong num_devices in superblock
  • recognize overly long xattr names
  • fix wrong total bytes check for seed device
• restore: make lzo support build-time configurable, print supported compression in help text
• update kernel-lib sources
• auto-repair on read on RAID56
• property set: unify handling of empty value to mean default, changed meaning for property 'compression' to allow reset to default and to set NOCOMPRESS, since kernel 5.14
• preparatory work for extent tree v2, global roots
• experimental feature (unstable interface, not built by default, do not use for production):
  • btrfstune: option --csum to switch checksum algorithm
• other:
  • documentation updates, finish conversion to RST, CHANGES and INSTALL could be included into RST
  • fix build detection of experimental mode
  • new tests
  • cleanups, refactoring
  • update documentation build, remove asciidocs leftovers
  • update fssum to consider xattrs
  • add fsstress