On Fri, May 01, 2015 at 11:28:01AM +0800, Ming Lei wrote: > If there are too many pending per work I/O, too many > high priority work thread can be generated so that > system performance can be effected. > > This patch limits the max pending per work I/O as 16, > and will fackback to single queue mode when the max > number is reached. Why would you do this fall back? Shouldn't we just communicate a concurrency limit to the workqueue code? -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html