From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCHv2 10/11] scsi: allocate reserved commands
Date: Fri, 17 Feb 2017 13:37:48 +0100
Message-ID: <20170217123748.GA23739@lst.de>
References: <1487319790-97340-1-git-send-email-hare@suse.de> <1487319790-97340-11-git-send-email-hare@suse.de> <20170217085505.GE18443@lst.de> <54057180-fcdf-848e-80ca-50519456f18c@suse.de>
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To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>, "Martin K. Petersen" <martin.petersen@oracle.com>, James Bottomley <james.bottomley@hansenpartnership.com>, Sreekanth Reddy <sreekanth.reddy@broadcom.com>, Kashyap Desai <kashyap.desai@broadcom.com>, Sathya Prakash <sathya.prakash@broadcom.com>, linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.com>

On Fri, Feb 17, 2017 at 10:00:28AM +0100, Hannes Reinecke wrote:
> So here's my question: how are 'reserved' commands are imagined to be used?
> ATM they exist for blk-mq solely, and are not even implemented for
> legacy sq.

Yes.

> At the same time quite some drivers (like mpt3sas) really could make use
> of the notion of 'reserved' commands.
> Does it make sense to implement 'reserved' commands for the legacy sq
> code path, too?

Yes.