btrfs: migrate the block group caching code

We can now just copy it over to block-group.c.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2019-08-06 16:43:19 +02:00 • committed by David Sterba
commit 9f21246d8c
4 changed files with 462 additions and 461 deletions