From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20070816074627.494510000@chello.nl> References: <20070816074525.065850000@chello.nl> Date: Thu, 16 Aug 2007 09:45:37 +0200 From: Peter Zijlstra Subject: [PATCH 12/23] containers: bdi init hooks Content-Disposition: inline; filename=bdi_init_container.patch Sender: owner-linux-mm@kvack.org Return-Path: 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 List-ID: 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; } -- -- 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