From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762974AbXHCNC2 (ORCPT ); Fri, 3 Aug 2007 09:02:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762286AbXHCM52 (ORCPT ); Fri, 3 Aug 2007 08:57:28 -0400 Received: from mx1.redhat.com ([66.187.233.31]:51270 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762251AbXHCM5Y (ORCPT ); Fri, 3 Aug 2007 08:57:24 -0400 Message-Id: <20070803125236.299305000@chello.nl> References: <20070803123712.987126000@chello.nl> User-Agent: quilt/0.45-1 Date: Fri, 03 Aug 2007 14:37:24 +0200 From: Peter Zijlstra To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: miklos@szeredi.hu, akpm@linux-foundation.org, neilb@suse.de, dgc@sgi.com, tomoki.sekiyama.qu@hitachi.com, a.p.zijlstra@chello.nl, nikita@clusterfs.com, trond.myklebust@fys.uio.no, yingchao.zhou@gmail.com, richard@rsk.demon.co.uk, torvalds@linux-foundation.org Subject: [PATCH 11/23] containers: bdi init hooks Content-Disposition: inline; filename=bdi_init_container.patch Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org split off from the large bdi_init patch because containers are not slated for mainline any time soon. Signed-off-by: Peter Zijlstra --- kernel/container.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) Index: linux-2.6/kernel/container.c =================================================================== --- linux-2.6.orig/kernel/container.c +++ linux-2.6/kernel/container.c @@ -567,12 +567,13 @@ static int container_populate_dir(struct static struct inode_operations container_dir_inode_operations; static struct file_operations proc_containerstats_operations; +static struct backing_dev_info container_backing_dev_info = { + .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK, +}; + static struct inode *container_new_inode(mode_t mode, struct super_block *sb) { struct inode *inode = new_inode(sb); - static struct backing_dev_info container_backing_dev_info = { - .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK, - }; if (inode) { inode->i_mode = mode; @@ -2261,6 +2262,10 @@ int __init container_init(void) int i; struct proc_dir_entry *entry; + err = bdi_init(&container_backing_dev_info); + if (err) + return err; + for (i = 0; i < CONTAINER_SUBSYS_COUNT; i++) { struct container_subsys *ss = subsys[i]; if (!ss->early_init) @@ -2276,6 +2281,9 @@ int __init container_init(void) entry->proc_fops = &proc_containerstats_operations; out: + if (err) + bdi_destroy(&container_backing_dev_info); + return err; } --