From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757659AbbDWClt (ORCPT ); Wed, 22 Apr 2015 22:41:49 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:35860 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757348AbbDWCls (ORCPT ); Wed, 22 Apr 2015 22:41:48 -0400 Date: Thu, 23 Apr 2015 11:41:41 +0900 From: Minchan Kim To: Sergey Senozhatsky Cc: Andrew Morton , Nitin Gupta , linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: Re: [PATCHv2 09/10] zram: return zram device_id value from zram_add() Message-ID: <20150423024141.GH24928@blaptop> References: <1429185356-11096-1-git-send-email-sergey.senozhatsky@gmail.com> <1429185356-11096-10-git-send-email-sergey.senozhatsky@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1429185356-11096-10-git-send-email-sergey.senozhatsky@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Acked-by: Minchan Kim -- Kind regards, Minchan Kim