btrfs-progs-6.16.1-1.fc43.x86_64
kernel 6.17.0-0.rc7.56.fc43.x86_64
kernel reports:
[48898.477442] BTRFS info (device dm-0): setting compat-ro feature flag for VERITY (0x4)
However, btrfs insp dump-s
compat_ro_flags 0x7
( FREE_SPACE_TREE |
FREE_SPACE_TREE_VALID |
unknown flag: 0x4 )