Hello, On Mon, Sep 23, 2013 at 08:11:55PM +0000, Tomoki Sekiyama wrote: > >Hmm... why aren't we just changing elevator_init() to grab sysfs_lock > >where necessary? > > The locking cannot be moved into elevator_init() because it is called > from elevator_switch() path, where the request_queue's sysfs_lock is > already taken. > > > It'd be more consistent with elevator_exit() that way. > > What elevator_exit() locks is elevator_queue's sysfs_lock, not > request_queue's sysfs_lock. What we need here is request_queue's > sysfs_lock.
Ah, okay. Reviewed-by: Tejun Heo <t...@kernel.org> Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
