QA output created by 011
*** test btrfs replace
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/vg0-lv9, missing codepage or helper program, or other error.
mount -o discard=async -o context=system_u:object_r:root_t:s0 /dev/mapper/vg0-lv9 /mnt/scratch failed
(see /data/fstests/results//btrfs_aarch64_4k/btrfs/011.full for details)