btrfs: opencode reset of all device stats

__btrfs_reset_dev_stats() is a small helper function to reset devices stat
values, and is used only once, instead just open code it.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2019-08-07 16:21:20 +08:00 • committed by David Sterba
commit ae4b9b4c7d