linux-kernel - Re: [PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor

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Message-ID: <20140315132045.GA14196@thunk.org>
Date:	Sat, 15 Mar 2014 09:20:45 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Linux Kernel Developers List <linux-kernel@...r.kernel.org>,
	Venkatesh Srinivas <venkateshs@...gle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	virtio-dev@...ts.oasis-open.org,
	virtualization@...ts.linux-foundation.org,
	Frank Swiderski <fes@...gle.com>
Subject: Re: [PATCH] virtio-blk: make the queue depth the max supportable by
 the hypervisor

On Sat, Mar 15, 2014 at 06:57:01AM -0400, Konrad Rzeszutek Wilk wrote:
> >+	pr_info("%s: using queue depth %d\n", vblk->disk->disk_name,
> >+		virtio_mq_reg.queue_depth);
> 
> Isn't that visible from sysfs?

As near as I can tell, it's not.  I haven't been able to find anything
that either represents this value, or can be calculated from this
value.  Maybe I missed something?

						- Ted
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