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kset: convert /sys/module to use kset_create

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Dynamically create the kset instead of declaring it statically.  We also
rename module_subsys to module_kset to catch all users of the variable.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2007-11-01 10:39:50 -07:00
parent 081248de0a
commit 7405c1e15e
3 changed files with 15 additions and 25 deletions
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4
include/linux/module.h
View file

@ -574,7 +574,9 @@ struct device_driver;
#ifdef CONFIG_SYSFS
struct module;
extern struct kset module_subsys;
extern struct kset *module_kset;
extern struct kobj_type module_ktype;
extern int module_sysfs_initialized;
int mod_sysfs_init(struct module *mod);
int mod_sysfs_setup(struct module *mod,

7
kernel/module.c
View file

@ -47,8 +47,6 @@
#include <asm/cacheflush.h>
#include <linux/license.h>
extern int module_sysfs_initialized;
#if 0
#define DEBUGP printk
#else
@ -1223,7 +1221,8 @@ int mod_sysfs_init(struct module *mod)
err = kobject_set_name(&mod->mkobj.kobj, "%s", mod->name);
if (err)
goto out;
mod->mkobj.kobj.kset = &module_subsys;
mod->mkobj.kobj.kset = module_kset;
mod->mkobj.kobj.ktype = &module_ktype;
mod->mkobj.mod = mod;
kobject_init(&mod->mkobj.kobj);
@ -2539,7 +2538,7 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
struct kobject *mkobj;
/* Lookup built-in module entry in /sys/modules */
mkobj = kset_find_obj(&module_subsys, drv->mod_name);
mkobj = kset_find_obj(module_kset, drv->mod_name);
if (mkobj) {
mk = container_of(mkobj, struct module_kobject, kobj);
/* remember our module structure */

29
kernel/params.c
View file

@ -30,8 +30,6 @@
#define DEBUGP(fmt, a...)
#endif
static struct kobj_type module_ktype;
static inline char dash2underscore(char c)
{
if (c == '-')
@ -562,7 +560,7 @@ static void __init kernel_param_sysfs_setup(const char *name,
BUG_ON(!mk);
mk->mod = THIS_MODULE;
mk->kobj.kset = &module_subsys;
mk->kobj.kset = module_kset;
mk->kobj.ktype = &module_ktype;
kobject_set_name(&mk->kobj, name);
kobject_init(&mk->kobj);
@ -695,7 +693,7 @@ static struct kset_uevent_ops module_uevent_ops = {
.filter = uevent_filter,
};
decl_subsys(module, &module_uevent_ops);
struct kset *module_kset;
int module_sysfs_initialized;
static void module_release(struct kobject *kobj)
@ -707,7 +705,7 @@ static void module_release(struct kobject *kobj)
*/
}
static struct kobj_type module_ktype = {
struct kobj_type module_ktype = {
.sysfs_ops = &module_sysfs_ops,
.release = module_release,
};
@ -717,13 +715,11 @@ static struct kobj_type module_ktype = {
*/
static int __init param_sysfs_init(void)
{
int ret;
ret = subsystem_register(&module_subsys);
if (ret < 0) {
printk(KERN_WARNING "%s (%d): subsystem_register error: %d\n",
__FILE__, __LINE__, ret);
return ret;
module_kset = kset_create_and_add("module", &module_uevent_ops, NULL);
if (!module_kset) {
printk(KERN_WARNING "%s (%d): error creating kset\n",
__FILE__, __LINE__);
return -ENOMEM;
}
module_sysfs_initialized = 1;
@ -733,14 +729,7 @@ static int __init param_sysfs_init(void)
}
subsys_initcall(param_sysfs_init);
#else
#if 0
static struct sysfs_ops module_sysfs_ops = {
.show = NULL,
.store = NULL,
};
#endif
#endif
#endif /* CONFIG_SYSFS */
EXPORT_SYMBOL(param_set_byte);
EXPORT_SYMBOL(param_get_byte);