Commit 46ae220b authored Apr 29, 2008 by Li Zefan Committed by Linus Torvalds Apr 29, 2008

cgroup: switch to proc_create()



There is a race between create_proc_entry() and the assignment of file ops.
proc_create() is invented to fix it.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 06a11920

kernel/cgroup.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -2545,7 +2545,6 @@ int __init cgroup_init(void)
		{
		int err;
		int i;
		struct proc_dir_entry *entry;

		err = bdi_init(&cgroup_backing_dev_info);
		if (err)
		@@ -2561,9 +2560,7 @@ int __init cgroup_init(void)
		if (err < 0)
		goto out;

		entry = create_proc_entry("cgroups", 0, NULL);
		if (entry)
		entry->proc_fops = &proc_cgroupstats_operations;
		proc_create("cgroups", 0, NULL, &proc_cgroupstats_operations);

		out:
		if (err)