btrfs: export block_rsv_use_bytes

We are going to need this to move the metadata reservation stuff to
space_info.c.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2019-06-18 16:09:23 -04:00 • committed by David Sterba
commit c2a67a76ec
2 changed files with 6 additions and 8 deletions