tree 58200c48343b87ddb04048aca34e06e43e1f6b2f
parent 28f75a0e6cdfbce8115487ecbc0968a2c4e01806
author Josef Bacik <jbacik@fb.com> 1424275617 -0800
committer Chris Mason <clm@fb.com> 1428700008 -0700

Btrfs: reserve space for block groups

This changes our delayed refs calculations to include the space needed
to write back dirty block groups.

Signed-off-by: Chris Mason <clm@fb.com>