tree 6bc2fdf8c19f36124583774f07550e26b85de7e5
parent 73bc187680f94bed498f8a669103cad290e41180
author Josef Bacik <josef@redhat.com> 1317823218 -0400
committer Josef Bacik <josef@redhat.com> 1319051571 -0400

Btrfs: don't skip writing out a empty block groups cache

I noticed a slight bug where we will not bother writing out the block group
cache's space cache if it's space tree is empty.  Since it could have a cluster
or pinned extents that need to be written out this is just not a valid test.
Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>