From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-f173.google.com (mail-qc0-f173.google.com [209.85.216.173]) by kanga.kvack.org (Postfix) with ESMTP id 532F66B006C for ; Sun, 11 Jan 2015 13:39:28 -0500 (EST) Received: by mail-qc0-f173.google.com with SMTP id i17so15578651qcy.4 for ; Sun, 11 Jan 2015 10:39:28 -0800 (PST) Received: from mail-qa0-x232.google.com (mail-qa0-x232.google.com. [2607:f8b0:400d:c00::232]) by mx.google.com with ESMTPS id s18si19892194qam.4.2015.01.11.10.39.27 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 11 Jan 2015 10:39:27 -0800 (PST) Received: by mail-qa0-f50.google.com with SMTP id k15so2895101qaq.9 for ; Sun, 11 Jan 2015 10:39:27 -0800 (PST) Date: Sun, 11 Jan 2015 13:39:24 -0500 From: Tejun Heo Subject: Re: [PATCH 12/12] fs: remove default_backing_dev_info Message-ID: <20150111183924.GQ25319@htj.dyndns.org> References: <1420739133-27514-1-git-send-email-hch@lst.de> <1420739133-27514-13-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1420739133-27514-13-git-send-email-hch@lst.de> Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Hellwig Cc: Jens Axboe , David Howells , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org On Thu, Jan 08, 2015 at 06:45:33PM +0100, Christoph Hellwig wrote: > Now that default_backing_dev_info is not used for writeback purposes we can > git rid of it easily: > > - instead of using it's name for tracing unregistered bdi we just use > "unknown" > - btrfs and ceph can just assign the default read ahead window themselves > like several other filesystems already do. > - we can assign noop_backing_dev_info as the default one in alloc_super. > All filesystems already either assigned their own or > noop_backing_dev_info. > > Signed-off-by: Christoph Hellwig Reviewed-by: Tejun Heo Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org