btrfs: make btrfs_free_stale_devices() argument optional

This updates btrfs_free_stale_devices() helper function to delete all
unmouted devices, when arg is NULL.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2018-01-18 22:00:35 +08:00 • committed by David Sterba
commit 522f1b45e4