On Fri, 2013-08-16 at 18:41 +0200, Alexander Gordeev wrote: > On Thu, Aug 15, 2013 at 07:19:29PM -0700, Nicholas A. Bellinger wrote: > > I'm playing with a patch to do this, but am currently getting hung-up on > > what appear to be some separate blk-mq reserved_tags > 0 bugs, the first > > of which is passing queue_depth=1 + reserved_tags=1 is broken, and > > results in tags->nr_free = 0. > > That is not a bug - please look at Jens replies in this thread some week ago. > In short, queue_depth=1 means 1 tags in total and reserved_tags=1 results > in zero normal tags. You need to request the depth=2 and reserved_tags=1. >
Ahhh, yes of course. I'll re-work a proposed patch this afternoon with this in mind.. > But yes, this is a separate topic and I am looking forward to hear from Jens > wrt flushes. > Indeed. ;) --nab -- 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/
