block: drbd: Convert semaphore to mutex
authorThomas Gleixner <tglx@linutronix.de>
Fri, 29 Jan 2010 20:39:07 +0000 (20:39 +0000)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Thu, 11 Mar 2010 12:30:16 +0000 (13:30 +0100)
commit8a03ae2a5baed3df09e5643615bdd853fc142a09
treef0e46a5479cc3f2e668207df20ce2cef73976dd3
parent881245dcff29df992d8431392a41fb81549129f9
block: drbd: Convert semaphore to mutex

The bm_change semaphore is semantically a mutex. Convert it to a real
mutex.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
drivers/block/drbd/drbd_bitmap.c