[PATCH 11/23] containers: bdi init hooks
From: Peter Zijlstra <hidden>
Date: 2007-08-03 13:02:28
Also in:
lkml
split off from the large bdi_init patch because containers are not slated for mainline any time soon. Signed-off-by: Peter Zijlstra <redacted> --- 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; } -- --
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