tree d36ea43efb9306fa4ff2fdb8f579fb661cad61e8
parent e7f52dfb4f378ea1bbfd4476f4e8ba42f5fb332c
author Jens Axboe <jaxboe@fusionio.com> 1280921671 +0200
committer Jens Axboe <jaxboe@fusionio.com> 1281200037 +0200

writeback: fix bad _bh spinlock nesting

Fix a bug where a lock is _bh nested within another _bh lock,
but forgets to use the _bh variant for unlock.

Further more, it's not necessary to test _bh locks, the inner lock
can just use spin_lock(). So fix up the bug by making that change.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>