Messages in this thread | | | Date | Fri, 1 May 2015 03:17:37 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v6] block: loop: avoiding too many pending per work I/O |
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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?
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