From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932688Ab0IXQ23 (ORCPT ); Fri, 24 Sep 2010 12:28:29 -0400 Received: from kroah.org ([198.145.64.141]:38342 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932663Ab0IXQ2Y (ORCPT ); Fri, 24 Sep 2010 12:28:24 -0400 X-Mailbox-Line: From gregkh@clark.site Fri Sep 24 09:26:18 2010 Message-Id: <20100924162618.020512493@clark.site> User-Agent: quilt/0.48-11.2 Date: Fri, 24 Sep 2010 09:24:24 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Jan Kara , Jens Axboe Subject: [36/80] bdi: Initialize noop_backing_dev_info properly In-Reply-To: <20100924162706.GA7381@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.35-stable review patch. If anyone has any objections, please let us know. ------------------ From: Jan Kara commit 976e48f8a5b02fc33f3e5cad87fb3fcea041a49c upstream. Properly initialize this backing dev info so that writeback code does not barf when getting to it e.g. via sb->s_bdi. Signed-off-by: Jan Kara Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- mm/backing-dev.c | 2 ++ 1 file changed, 2 insertions(+) --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -29,6 +29,7 @@ EXPORT_SYMBOL_GPL(default_backing_dev_in struct backing_dev_info noop_backing_dev_info = { .name = "noop", + .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK, }; EXPORT_SYMBOL_GPL(noop_backing_dev_info); @@ -254,6 +255,7 @@ static int __init default_bdi_init(void) err = bdi_init(&default_backing_dev_info); if (!err) bdi_register(&default_backing_dev_info, NULL, "default"); + err = bdi_init(&noop_backing_dev_info); return err; }