Hello, On Tue, Jan 09, 2018 at 12:45:13PM +0800, xuejiufei wrote: > 1. A bio is charged according to the direction, if we put the reads > and sync writes together, we need to search the queue to pick a > certain number of read and write IOs when the limit is not reached. Ah, you're right. > 2. I found that the multi-queue scheduler kyber also has three queues: > one for read, one for sync write and one for others. This patch > introduces another queue for async writes and others just like kyber. Yeah, it'd make sense to make that a separate queue then. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html