tree 536c3d52b7ff1044d0a00ca86fd436c846d486ab
parent 3d7806eca43e73a9721d2e09369200ed93036bd0
author Jan Schmidt <list.btrfs@jan-o-sch.net> 1339404758 +0200
committer Jan Schmidt <list.btrfs@jan-o-sch.net> 1339692759 +0200

Btrfs: fix race in tree mod log addition

When adding to the tree modification log, we grab two locks at different
stages. We must not drop the outer lock until we're done with section
protected by the inner lock. This moves the unlock call for the outer lock
to the appropriate position.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>