On Wed, Mar 23, 2011 at 08:48:01AM -0700, Linus Torvalds wrote: > On Wed, Mar 23, 2011 at 8:37 AM, Tejun Heo <tj@xxxxxxxxxx> wrote: > > > > Currently, mutex_trylock() doesn't use adaptive spinning. It tries > > just once. I got curious whether using adaptive spinning on > > mutex_trylock() would be beneficial and it seems so, at least for > > btrfs anyway. > > Hmm. Seems reasonable to me. The patch looks clean, although part of > that is just the mutex_spin() cleanup that is independent of actually > using it in trylock. Oh, I have two split patches. Posted the combined one for comments. > So no objections from me. Awesome. Peter, what do you think? Are there some other tests which can be useful? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
