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Date: Mon, 13 Jun 2016 01:01:07 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Shaun Tancheff <shaun@tancheff.com>
Cc: linux-ide@vger.kernel.org, linux-block@vger.kernel.org,
	linux-scsi@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
	"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Jeff Layton <jlayton@poochiereds.net>,
	"J . Bruce Fields" <bfields@fieldses.org>,
	Shaun Tancheff <shaun.tancheff@seagate.com>
Subject: Re: [PATCH v3 1/3] Add bio/request flags for using ZBC/ZAC commands
Message-ID: <20160613080107.GA26544@infradead.org>
References: <1465542626-26536-1-git-send-email-shaun@tancheff.com>
 <1465542833-26828-1-git-send-email-shaun@tancheff.com>
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On Fri, Jun 10, 2016 at 02:13:53AM -0500, Shaun Tancheff wrote:
> T10 ZBC and T13 ZAC specify operations for Zoned devices.
> 
> To be able to access the zone information and open and close zones
> adding flags for the report zones command (REQ_REPORT_ZONES) and for
> Open and Close zone (REQ_OPEN_ZONE and REQ_CLOSE_ZONE) can be added
> for use by struct bio's bi_rw and by struct request's cmd_flags.

These need to be new operations, e.g. they should be in the REQ_OP_*
enum.  And please use a separate opcode for each actual operation.