From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v3 05/39] fs: super: introduce a get_super_cdev to get super by a cdev reference Date: Sat, 3 Oct 2015 23:32:35 -0700 Message-ID: <20151004063235.GG28519@infradead.org> References: <1442307754-13233-1-git-send-email-yangds.fnst@cn.fujitsu.com> <1442307754-13233-6-git-send-email-yangds.fnst@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: viro@ZenIV.linux.org.uk, jack@suse.cz, dedekind1@gmail.com, richard.weinberger@gmail.com, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org To: Dongsheng Yang Return-path: Received: from bombadil.infradead.org ([198.137.202.9]:37696 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751208AbbJDGct (ORCPT ); Sun, 4 Oct 2015 02:32:49 -0400 Content-Disposition: inline In-Reply-To: <1442307754-13233-6-git-send-email-yangds.fnst@cn.fujitsu.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: As mentioned before I don't think the cdev has any business in core VFS code. You must alredy have an anonymous block device for the st_dev value, please use that.