Merge branch 'linus' into tracing-v28-for-linus-v3

[mirror_ubuntu-bionic-kernel.git] / include / linux / sysfs.h

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 7858eac40aa7be8e27f9091806f2b194eabedd61..b330e289d71f280f7bb6ca3af431a733039ac420 100644 (file)
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -78,6 +78,8 @@ struct sysfs_ops {
        ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
 };
 
+struct sysfs_dirent;
+
 #ifdef CONFIG_SYSFS
 
 int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *),
@@ -101,6 +103,9 @@ void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
 
 int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target,
                                   const char *name);
+int __must_check sysfs_create_link_nowarn(struct kobject *kobj,
+                                         struct kobject *target,
+                                         const char *name);
 void sysfs_remove_link(struct kobject *kobj, const char *name);
 
 int __must_check sysfs_create_group(struct kobject *kobj,
@@ -114,9 +119,14 @@ int sysfs_add_file_to_group(struct kobject *kobj,
 void sysfs_remove_file_from_group(struct kobject *kobj,
                        const struct attribute *attr, const char *group);
 
-void sysfs_notify(struct kobject *kobj, char *dir, char *attr);
-
-extern int __must_check sysfs_init(void);
+void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr);
+void sysfs_notify_dirent(struct sysfs_dirent *sd);
+struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+                                     const unsigned char *name);
+struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd);
+void sysfs_put(struct sysfs_dirent *sd);
+void sysfs_printk_last_file(void);
+int __must_check sysfs_init(void);
 
 #else /* CONFIG_SYSFS */
 
@@ -180,6 +190,13 @@ static inline int sysfs_create_link(struct kobject *kobj,
        return 0;
 }
 
+static inline int sysfs_create_link_nowarn(struct kobject *kobj,
+                                          struct kobject *target,
+                                          const char *name)
+{
+       return 0;
+}
+
 static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
 {
 }
@@ -212,7 +229,24 @@ static inline void sysfs_remove_file_from_group(struct kobject *kobj,
 {
 }
 
-static inline void sysfs_notify(struct kobject *kobj, char *dir, char *attr)
+static inline void sysfs_notify(struct kobject *kobj, const char *dir,
+                               const char *attr)
+{
+}
+static inline void sysfs_notify_dirent(struct sysfs_dirent *sd)
+{
+}
+static inline
+struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+                                     const unsigned char *name)
+{
+       return NULL;
+}
+static inline struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd)
+{
+       return NULL;
+}
+static inline void sysfs_put(struct sysfs_dirent *sd)
 {
 }
 
@@ -221,6 +255,10 @@ static inline int __must_check sysfs_init(void)
        return 0;
 }
 
+static inline void sysfs_printk_last_file(void)
+{
+}
+
 #endif /* CONFIG_SYSFS */
 
 #endif /* _SYSFS_H_ */