Summarized Changelog:
- Support new hash algorithms (for Linux kernel 5.5):
- mkfs.btrfs and btrfs-convert with --csum, crc32c, xxhash, sha256, blake2.
- mkfs: support new raid1c3 and raid1c4 block group profiles (for Linux kernel 5.5).
- check:
- --repair delays start with a warning, can be skipped using --force.
- enhanced detetion of inode types from partial data, more options for repair.
- receive: fix quiet option.
- image: speed up chunk loading.
- fi usage:
- sort devices by id.
- print ratio of used/total per block group type
- rescue zero-log: reset the log pointers directly, avoid reading some other potentially damaged structures.
- Various code cleenups, refactoring and smaller fixes.