btrfs: move and export can_overcommit

This is the first piece of moving the space reservation code 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 16:09:20 -04:00 • committed by David Sterba
commit 41783ef24d
3 changed files with 79 additions and 75 deletions