From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PTCH] push down lock_super and BKL into ->put_super Date: Wed, 6 May 2009 08:23:00 +0200 Message-ID: <20090506062300.GA12718@lst.de> References: <20090505134036.GA4127@lst.de> <20090506020916.GN8633@ZenIV.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org To: Al Viro Return-path: Received: from verein.lst.de ([213.95.11.210]:45191 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750789AbZEFGXB (ORCPT ); Wed, 6 May 2009 02:23:01 -0400 Content-Disposition: inline In-Reply-To: <20090506020916.GN8633@ZenIV.linux.org.uk> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Wed, May 06, 2009 at 03:09:16AM +0100, Al Viro wrote: > As for this patch: we need to > * replace lock_super/unlock_super() with get_fs_excl()/put_fs_excl() > in the same places. Nope. See the discussion I had with Jens and other about what it is good for. It's for fs-central ressouces that are performance critical for FS. FS beeing shut down is per defintion not performance critical.