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kset: convert kernel_subsys to use kset_create

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Dynamically create the kset instead of declaring it statically.  We also
rename kernel_subsys to kernel_kset to catch all users of this symbol
with a build error instead of an easy-to-ignore build warning.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2007-10-29 20:13:17 +01:00
parent e5e38a86c0
commit bd35b93d80
8 changed files with 38 additions and 21 deletions
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2
fs/configfs/mount.c
View File

@ -140,7 +140,7 @@ static int __init configfs_init(void)
if (!configfs_dir_cachep)
goto out;
config_kobj = kobject_create_and_add("config", &kernel_subsys.kobj);
config_kobj = kobject_create_and_add("config", &kernel_kset->kobj);
if (!config_kobj) {
kmem_cache_destroy(configfs_dir_cachep);
configfs_dir_cachep = NULL;

2
fs/debugfs/inode.c
View File

@ -432,7 +432,7 @@ static int __init debugfs_init(void)
{
int retval;
debug_kobj = kobject_create_and_add("debug", &kernel_subsys.kobj);
debug_kobj = kobject_create_and_add("debug", &kernel_kset->kobj);
if (!debug_kobj)
return -EINVAL;

2
fs/dlm/lockspace.c
View File

@ -223,7 +223,7 @@ int dlm_lockspace_init(void)
INIT_LIST_HEAD(&lslist);
spin_lock_init(&lslist_lock);
dlm_kset = kset_create_and_add("dlm", NULL, &kernel_subsys.kobj);
dlm_kset = kset_create_and_add("dlm", NULL, &kernel_kset->kobj);
if (!dlm_kset) {
printk(KERN_WARNING "%s: can not create kset\n", __FUNCTION__);
return -ENOMEM;

3
fs/gfs2/locking/dlm/sysfs.c
View File

@ -219,8 +219,7 @@ void gdlm_kobject_release(struct gdlm_ls *ls)
int gdlm_sysfs_init(void)
{
gdlm_kset = kset_create_and_add("lock_dlm", NULL,
&kernel_subsys.kobj);
gdlm_kset = kset_create_and_add("lock_dlm", NULL, &kernel_kset->kobj);
if (!gdlm_kset) {
printk(KERN_WARNING "%s: can not create kset\n", __FUNCTION__);
return -ENOMEM;

4
include/linux/kobject.h
View File

@ -194,8 +194,8 @@ struct kset _name##_subsys = { \
.uevent_ops =_uevent_ops, \
}
/* The global /sys/kernel/ subsystem for people to chain off of */
extern struct kset kernel_subsys;
/* The global /sys/kernel/ kset for people to chain off of */
extern struct kset *kernel_kset;
/* The global /sys/hypervisor/ subsystem */
extern struct kset hypervisor_subsys;

40
kernel/ksysfs.c
View File

@ -94,8 +94,8 @@ static struct bin_attribute notes_attr = {
.read = &notes_read,
};
decl_subsys(kernel, NULL);
EXPORT_SYMBOL_GPL(kernel_subsys);
struct kset *kernel_kset;
EXPORT_SYMBOL_GPL(kernel_kset);
static struct attribute * kernel_attrs[] = {
#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET)
@ -116,24 +116,42 @@ static struct attribute_group kernel_attr_group = {
static int __init ksysfs_init(void)
{
int error = subsystem_register(&kernel_subsys);
if (!error)
error = sysfs_create_group(&kernel_subsys.kobj,
&kernel_attr_group);
int error;
if (!error && notes_size > 0) {
kernel_kset = kset_create_and_add("kernel", NULL, NULL);
if (!kernel_kset) {
error = -ENOMEM;
goto exit;
}
error = sysfs_create_group(&kernel_kset->kobj, &kernel_attr_group);
if (error)
goto kset_exit;
if (notes_size > 0) {
notes_attr.size = notes_size;
error = sysfs_create_bin_file(&kernel_subsys.kobj,
&notes_attr);
error = sysfs_create_bin_file(&kernel_kset->kobj, &notes_attr);
if (error)
goto group_exit;
}
/*
* Create "/sys/kernel/uids" directory and corresponding root user's
* directory under it.
*/
if (!error)
error = uids_kobject_init();
error = uids_kobject_init();
if (error)
goto notes_exit;
return 0;
notes_exit:
if (notes_size > 0)
sysfs_remove_bin_file(&kernel_kset->kobj, &notes_attr);
group_exit:
sysfs_remove_group(&kernel_kset->kobj, &kernel_attr_group);
kset_exit:
kset_unregister(kernel_kset);
exit:
return error;
}

4
kernel/user.c
View File

@ -198,8 +198,8 @@ int __init uids_kobject_init(void)
int error;
/* create under /sys/kernel dir */
uids_kobject.parent = &kernel_subsys.kobj;
uids_kobject.kset = &kernel_subsys;
uids_kobject.parent = &kernel_kset->kobj;
uids_kobject.kset = kernel_kset;
kobject_set_name(&uids_kobject, "uids");
kobject_init(&uids_kobject);

2
security/inode.c
View File

@ -321,7 +321,7 @@ static int __init securityfs_init(void)
{
int retval;
security_kobj = kobject_create_and_add("security", &kernel_subsys.kobj);
security_kobj = kobject_create_and_add("security", &kernel_kset->kobj);
if (!security_kobj)
return -EINVAL;