Blog/Btrfs-progs v6.6.2

Btrfs-progs v6.6.2[edit | edit source]

Btrfs-progs v6.6.2 was released. Please don't use version 6.6 as it has a bug that can prevent multi-device filesystems from being mounted.

Changelog:

squota: change key number of EXTENT_OWNER_REF_KEY, sync with kernel 6.7-rc1
property set/get: completely skip char devices, trying to set properties and open /dev/watchdog* causes a reboot
other: build warnings, test updates, documentation updates

Changes in v6.6 since 6.5.3:

fix device scanning ioctl definition, accidental change to the 'forget' ioctl that breaks mounting multi-device filesystems
new global option --dry-run, now implemented for 'subvolume delete'
fi defrag: new option --step to defragment files in steps, report progress
balance: removed support for obsolete short syntax 'btrfs balance /path'
mkfs: print zone count for each device in the overview
check:
- verify inline ref ordering
- deprecate --clear-space-cache, moved to the 'rescue' group
rescue clear-space-cache: new command moved from 'btrfs check' implementing the same as option --clear-space-cache (to be deprecated and removed in the future)
dump-tree: output sequence number for inline refs
fixes:
- fi resize: fallback to lowest devid when 1 does not exist, previously the command would fail with "No such device"
- fi usage: fix "devices 0 != 1" message and broken output on multi-device filesystem
- open files in non-blocking mode when reading fsid, this could hang when trying to open fifo files or some special character devices, was observed with 'prop set/get'
experimental:
- mkfs: parametric zone size for emulated zoned mode
other:
- cleanups refactoring
- new and updated tests
- CI updates
- documentation updates

For more information about static builds, check out the dedicate wiki page Btrfs/Statically_built_btrfs-progs