linux-kernel - Re: [PATCH 1/1] scsi: storvsc: Always use blk-mq

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Date:   Wed, 19 Dec 2018 21:51:04 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "martin.petersen\@oracle.com" <martin.petersen@...cle.com>,
        Long Li <longli@...rosoft.com>,
        "James.Bottomley\@hansenpartnership.com" 
        <James.Bottomley@...senpartnership.com>,
        "emilne\@redhat.com" <emilne@...hat.com>,
        "devel\@linuxdriverproject.org" <devel@...uxdriverproject.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-scsi\@vger.kernel.org" <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH 1/1] scsi: storvsc: Always use blk-mq


Michael,

> With high IOPS storage being increasingly prevalent for guests
> on Hyper-V and in Azure, make blk-mq the default so that the
> full performance of the storage can be realized without having
> to tweak other configuration settings.

The legacy I/O path will be gone in 4.21 so this patch isn't needed.

-- 
Martin K. Petersen	Oracle Linux Engineering