linux-kernel - Re: [PATCH v7] scsi: ufs: add ioctl interface for query request

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Date:	Wed, 9 Mar 2016 08:29:43 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Yaniv Gardi <ygardi@...eaurora.org>
Cc:	James.Bottomley@...senPartnership.com,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, santoshsy@...il.com,
	linux-scsi-owner@...r.kernel.org,
	Dolev Raviv <draviv@...eaurora.org>,
	Gilad Broner <gbroner@...eaurora.org>,
	Vinayak Holikatti <vinholikatti@...il.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Michael Neuling <mikey@...ling.org>,
	"Matthew R. Ochs" <mrochs@...ux.vnet.ibm.com>,
	Wen Xiong <wenxiong@...ux.vnet.ibm.com>,
	Subhash Jadavani <subhashj@...eaurora.org>,
	"open list:ABI/API" <linux-api@...r.kernel.org>
Subject: Re: [PATCH v7] scsi: ufs: add ioctl interface for query request

On Wed, Mar 09, 2016 at 04:11:33PM +0200, Yaniv Gardi wrote:
> This patch exposes the ioctl interface for UFS driver via SCSI device
> ioctl interface. As of now UFS driver would provide the ioctl for query
> interface to connected UFS device.
> 
> Reviewed-by: Subhash Jadavani <subhashj@...eaurora.org>
> Signed-off-by: Dolev Raviv <draviv@...eaurora.org>
> Signed-off-by: Gilad Broner <gbroner@...eaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@...eaurora.org>

What tool is going to use this ioctl?  Why does userspcae want to do
something "special" with UFS devices?  Shouldn't they just be treated
like any other normal block device?

thanks,

greg k-h