btrfs: move btrfs_cmp_device_free_bytes to super.c

this function won't be used here anymore, so move it super.c where it is
used for df-calculation
This commit is contained in:
Arne Jansen 2011-04-12 10:43:21 +02:00
commit bcd53741cc
3 changed files with 26 additions and 28 deletions