linux-kernel - Re: [PATCHv2 09/10] zram: return zram device_id value from zram

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Message-ID: <20150423024141.GH24928@blaptop>
Date:	Thu, 23 Apr 2015 11:41:41 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nitin Gupta <ngupta@...are.org>, linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [PATCHv2 09/10] zram: return zram device_id value from zram_add()

On Thu, Apr 16, 2015 at 08:55:55PM +0900, Sergey Senozhatsky wrote:
> zram_add requires valid device_id to be provided, that can be a bit
> inconvenient.  Change zram_add() to return negative value upon new device
> creation failure, and device_id (>= 0) value otherwise.
> 
> This prepares zram_add to perform automatic device_id assignment.  New
> device_id will be returned back to user-space (so user can reference that
> device as /dev/zramX).
> 
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Acked-by: Minchan Kim <minchan@...nel.org>

-- 
Kind regards,
Minchan Kim
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