6 files changed, 33 insertions, 41 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 0d9f984a60a1..16c3c441256e 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -316,7 +316,7 @@ struct acpi_bus_event {
         u32 data;
 };
 
-extern struct subsystem acpi_subsys;
+extern struct kset acpi_subsys;
 
 /*
  * External Functions
diff --git a/include/linux/device.h b/include/linux/device.h
index ff83b61d283d..6579068134d1 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -53,7 +53,7 @@ struct bus_type {
         const char              * name;
         struct module           * owner;
 
-        struct subsystem        subsys;
+        struct kset             subsys;
         struct kset             drivers;
         struct kset             devices;
         struct klist            klist_devices;
@@ -178,7 +178,7 @@ struct class {
         const char              * name;
         struct module           * owner;
 
-        struct subsystem        subsys;
+        struct kset             subsys;
         struct list_head        children;
         struct list_head        devices;
         struct list_head        interfaces;
@@ -558,8 +558,8 @@ extern void device_shutdown(void);
 
 
 /* drivers/base/firmware.c */
-extern int __must_check firmware_register(struct subsystem *);
-extern void firmware_unregister(struct subsystem *);
+extern int __must_check firmware_register(struct kset *);
+extern void firmware_unregister(struct kset *);
 
 /* debugging and troubleshooting/diagnostic helpers. */
 extern const char *dev_driver_string(struct device *dev);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 095a9c9a64fb..7c0077f06e24 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1416,7 +1416,7 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 /* /sys/fs */
-extern struct subsystem fs_subsys;
+extern struct kset fs_subsys;
 
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index eb0e63ef297f..c288e41ba331 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -124,7 +124,6 @@ struct kset_uevent_ops {
 };
 
 struct kset {
-        struct subsystem        * subsys;
         struct kobj_type        * ktype;
         struct list_head        list;
         spinlock_t              list_lock;
@@ -171,32 +170,23 @@ extern struct kobject * kset_find_obj(struct kset *, const char *);
 #define set_kset_name(str)      .kset = { .kobj = { .name = str } }
 
 
-
-struct subsystem {
-        struct kset             kset;
-};
-
 #define decl_subsys(_name,_type,_uevent_ops) \
-struct subsystem _name##_subsys = { \
-        .kset = { \
-                .kobj = { .name = __stringify(_name) }, \
-                .ktype = _type, \
-                .uevent_ops =_uevent_ops, \
-        } \
+struct kset _name##_subsys = { \
+        .kobj = { .name = __stringify(_name) }, \
+        .ktype = _type, \
+        .uevent_ops =_uevent_ops, \
 }
 #define decl_subsys_name(_varname,_name,_type,_uevent_ops) \
-struct subsystem _varname##_subsys = { \
-        .kset = { \
-                .kobj = { .name = __stringify(_name) }, \
-                .ktype = _type, \
-                .uevent_ops =_uevent_ops, \
-        } \
+struct kset _varname##_subsys = { \
+        .kobj = { .name = __stringify(_name) }, \
+        .ktype = _type, \
+        .uevent_ops =_uevent_ops, \
 }
 
 /* The global /sys/kernel/ subsystem for people to chain off of */
-extern struct subsystem kernel_subsys;
+extern struct kset kernel_subsys;
 /* The global /sys/hypervisor/ subsystem  */
-extern struct subsystem hypervisor_subsys;
+extern struct kset hypervisor_subsys;
 
 /**
  * Helpers for setting the kset of registered objects.
@@ -214,7 +204,7 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define kobj_set_kset_s(obj,subsys) \
-        (obj)->kobj.kset = &(subsys).kset
+        (obj)->kobj.kset = &(subsys)
 
 /**
  *      kset_set_kset_s(obj,subsys) - set kset for embedded kset.
@@ -228,7 +218,7 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define kset_set_kset_s(obj,subsys) \
-        (obj)->kset.kobj.kset = &(subsys).kset
+        (obj)->kset.kobj.kset = &(subsys)
 
 /**
  *      subsys_set_kset(obj,subsys) - set kset for subsystem
@@ -241,29 +231,31 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define subsys_set_kset(obj,_subsys) \
-        (obj)->subsys.kset.kobj.kset = &(_subsys).kset
+        (obj)->subsys.kobj.kset = &(_subsys)
 
-extern void subsystem_init(struct subsystem *);
-extern int __must_check subsystem_register(struct subsystem *);
-extern void subsystem_unregister(struct subsystem *);
+extern void subsystem_init(struct kset *);
+extern int __must_check subsystem_register(struct kset *);
+extern void subsystem_unregister(struct kset *);
 
-static inline struct subsystem * subsys_get(struct subsystem * s)
+static inline struct kset *subsys_get(struct kset *s)
 {
-        return s ? container_of(kset_get(&s->kset),struct subsystem,kset) : NULL;
+        if (s)
+                return kset_get(s);
+        return NULL;
 }
 
-static inline void subsys_put(struct subsystem * s)
+static inline void subsys_put(struct kset *s)
 {
-        kset_put(&s->kset);
+        kset_put(s);
 }
 
 struct subsys_attribute {
         struct attribute attr;
-        ssize_t (*show)(struct subsystem *, char *);
-        ssize_t (*store)(struct subsystem *, const char *, size_t); 
+        ssize_t (*show)(struct kset *, char *);
+        ssize_t (*store)(struct kset *, const char *, size_t);
 };
 
-extern int __must_check subsys_create_file(struct subsystem * ,
+extern int __must_check subsys_create_file(struct kset *,
                                         struct subsys_attribute *);
 
 #if defined(CONFIG_HOTPLUG)
diff --git a/include/linux/module.h b/include/linux/module.h
index 95679eb8571e..f0b0faf42d5d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -568,7 +568,7 @@ struct device_driver;
 #ifdef CONFIG_SYSFS
 struct module;
 
-extern struct subsystem module_subsys;
+extern struct kset module_subsys;
 
 int mod_sysfs_init(struct module *mod);
 int mod_sysfs_setup(struct module *mod,
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index a675a05c4091..ab4cb6ecd47c 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -174,7 +174,7 @@ extern int pci_hp_register		(struct hotplug_slot *slot);
 extern int pci_hp_deregister            (struct hotplug_slot *slot);
 extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot,
                                                  struct hotplug_slot_info *info);
-extern struct subsystem pci_hotplug_slots_subsys;
+extern struct kset pci_hotplug_slots_subsys;
 
 /* PCI Setting Record (Type 0) */
 struct hpp_type0 {