On Wed, Jul 21, 2010 at 12:31:39PM +0300, Artem Bityutskiy wrote: > From: Artem Bityutskiy <Artem.Bityutskiy@xxxxxxxxx> > > Currently, if someone submits jobs for the default bdi, we can lose wake-up > events. E.g., this can happen if 'bdi_queue_work()' is called when > 'bdi_forker_thread()' is executing code after 'wb_do_writeback(me, 0)', but > before 'set_current_state(TASK_INTERRUPTIBLE)'. > > This situation is unlikely, and the result is not very severe - we'll just > delay the execution of the work, but this is still not very nice. > > This patch fixes the issue by checking whether the default bdi has works before > the forker thread goes sleep. Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx> -- 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
