diff options
Diffstat (limited to 'include/linux/kobject.h')
| -rw-r--r-- | include/linux/kobject.h | 70 |
1 files changed, 30 insertions, 40 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h index b850e0310538..c288e41ba331 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -22,7 +22,6 @@ #include <linux/sysfs.h> #include <linux/compiler.h> #include <linux/spinlock.h> -#include <linux/rwsem.h> #include <linux/kref.h> #include <linux/kernel.h> #include <linux/wait.h> @@ -43,11 +42,9 @@ enum kobject_action { KOBJ_ADD = (__force kobject_action_t) 0x01, /* exclusive to core */ KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* exclusive to core */ KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* device state change */ - KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices (broken) */ - KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices (broken) */ - KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* device offline */ - KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* device online */ - KOBJ_MOVE = (__force kobject_action_t) 0x08, /* device move */ + KOBJ_OFFLINE = (__force kobject_action_t) 0x04, /* device offline */ + KOBJ_ONLINE = (__force kobject_action_t) 0x05, /* device online */ + KOBJ_MOVE = (__force kobject_action_t) 0x06, /* device move */ }; struct kobject { @@ -89,6 +86,8 @@ extern void kobject_unregister(struct kobject *); extern struct kobject * kobject_get(struct kobject *); extern void kobject_put(struct kobject *); +extern struct kobject *kobject_kset_add_dir(struct kset *kset, + struct kobject *, const char *); extern struct kobject *kobject_add_dir(struct kobject *, const char *); extern char * kobject_get_path(struct kobject *, gfp_t); @@ -125,7 +124,6 @@ struct kset_uevent_ops { }; struct kset { - struct subsystem * subsys; struct kobj_type * ktype; struct list_head list; spinlock_t list_lock; @@ -172,33 +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; - struct rw_semaphore rwsem; -}; - #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. @@ -216,7 +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. @@ -230,7 +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 @@ -243,29 +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) |