QA output created by 211
Testing without NO_HOLES feature
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/flakey-test, missing codepage or helper program, or other error.
umount: /mnt/scratch: not mounted.
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/flakey-test, missing codepage or helper program, or other error.
/mnt/scratch/foo: No such file or directory
/mnt/scratch/foo: No such file or directory
File extent count after write: 0
umount: /mnt/scratch: not mounted.

Testing with the NO_HOLES feature
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/flakey-test, missing codepage or helper program, or other error.
umount: /mnt/scratch: not mounted.
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/flakey-test, missing codepage or helper program, or other error.
/mnt/scratch/foo: No such file or directory
/mnt/scratch/foo: No such file or directory
File extent count after write: 0
umount: /mnt/scratch: not mounted.