tree caeb7034684a836cae7d340d89335e417c1f739e
parent ccc8dc758da0deeddaec2d8a37524401654e99de
author Anand Jain <anand.jain@oracle.com> 1511952823 +0800
committer David Sterba <dsterba@suse.com> 1516633694 +0100

btrfs: drop btrfs_device::can_discard to query directly

We can query the bdev directly when needed at btrfs_discard_extent()
so drop btrfs_device::can_discard.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Suggested-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>