Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

[karo-tx-linux.git] / include / linux / kobject.h

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 76538fcf2c4ee6ee0f3eaa13bae7180bbdaa5b5e..06cbf41d32d258e464fb5263ab1be91e11cf4b43 100644 (file)
--- 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 {
@@ -58,7 +55,7 @@ struct kobject {
        struct kobject          * parent;
        struct kset             * kset;
        struct kobj_type        * ktype;
-       struct dentry           * dentry;
+       struct sysfs_dirent     * sd;
        wait_queue_head_t       poll;
 };
 
@@ -74,9 +71,14 @@ extern void kobject_init(struct kobject *);
 extern void kobject_cleanup(struct kobject *);
 
 extern int __must_check kobject_add(struct kobject *);
+extern int __must_check kobject_shadow_add(struct kobject *kobj,
+                                          struct sysfs_dirent *shadow_parent);
 extern void kobject_del(struct kobject *);
 
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
+extern int __must_check kobject_shadow_rename(struct kobject *kobj,
+                                             struct sysfs_dirent *new_parent,
+                                             const char *new_name);
 extern int __must_check kobject_move(struct kobject *, struct kobject *);
 
 extern int __must_check kobject_register(struct kobject *);
@@ -85,6 +87,8 @@ 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);
@@ -121,7 +125,6 @@ struct kset_uevent_ops {
 };
 
 struct kset {
-       struct subsystem        * subsys;
        struct kobj_type        * ktype;
        struct list_head        list;
        spinlock_t              list_lock;
@@ -168,33 +171,23 @@ 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.
@@ -212,7 +205,7 @@ 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.
@@ -226,7 +219,7 @@ 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
@@ -239,29 +232,31 @@ 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)