# /home/johannes/src/btrfs-progs/btrfs quota enable /mnt/scratch
# /home/johannes/src/btrfs-progs/btrfs quota rescan -w /mnt/scratch
quota rescan started
Run fsstress  -z -f write=10 -f unlink=10 -f creat=10 -f fsync=10 -f fsync=10 -n 100000 -p 2 -d /mnt/scratch/stress_dir
Start balance
# /home/johannes/src/btrfs-progs/btrfs filesystem sync /mnt/scratch