On Wed, Apr 30, 2008 at 08:41:25PM +1000, David Chinner wrote: > The only thing that I'm concerned about here is that this will > substantially increase the time the l_icloglock is held. This is > a severely contended lock on large cpu count machines and putting > the wakeup inside this lock will increase the hold time. > > I guess I can address this by adding a new lock for the waitqueue > in a separate patch set. waitqueues are loked internally and don't need synchronization. With a little bit of re-arranging the code the wake_up could probably be moved out of the critical section. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html