#define _SYSFS_H_
#include <linux/compiler.h>
+#include <linux/errno.h>
+#include <linux/list.h>
#include <asm/atomic.h>
struct kobject;
struct module;
+struct nameidata;
+struct dentry;
+struct sysfs_dirent;
+/* FIXME
+ * The *owner field is no longer used, but leave around
+ * until the tree gets cleaned up fully.
+ */
struct attribute {
const char * name;
- struct module * owner;
+ struct module * owner;
mode_t mode;
};
*/
#define __ATTR(_name,_mode,_show,_store) { \
- .attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE }, \
+ .attr = {.name = __stringify(_name), .mode = _mode }, \
.show = _show, \
.store = _store, \
}
#define __ATTR_RO(_name) { \
- .attr = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE }, \
- .show = _name##_show, \
+ .attr = { .name = __stringify(_name), .mode = 0444 }, \
+ .show = _name##_show, \
}
#define __ATTR_NULL { .attr = { .name = NULL } }
struct attribute attr;
size_t size;
void *private;
- ssize_t (*read)(struct kobject *, char *, loff_t, size_t);
- ssize_t (*write)(struct kobject *, char *, loff_t, size_t);
+ ssize_t (*read)(struct kobject *, struct bin_attribute *,
+ char *, loff_t, size_t);
+ ssize_t (*write)(struct kobject *, struct bin_attribute *,
+ char *, loff_t, size_t);
int (*mmap)(struct kobject *, struct bin_attribute *attr,
struct vm_area_struct *vma);
};
ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
};
-struct sysfs_dirent {
- atomic_t s_count;
- struct list_head s_sibling;
- struct list_head s_children;
- void * s_element;
- int s_type;
- umode_t s_mode;
- struct dentry * s_dentry;
- struct iattr * s_iattr;
- atomic_t s_event;
-};
-
+#define SYSFS_TYPE_MASK 0x00ff
#define SYSFS_ROOT 0x0001
#define SYSFS_DIR 0x0002
#define SYSFS_KOBJ_ATTR 0x0004
#define SYSFS_KOBJ_BIN_ATTR 0x0008
#define SYSFS_KOBJ_LINK 0x0020
-#define SYSFS_NOT_PINNED (SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR | SYSFS_KOBJ_LINK)
+#define SYSFS_COPY_NAME (SYSFS_DIR | SYSFS_KOBJ_LINK)
+
+#define SYSFS_FLAG_MASK ~SYSFS_TYPE_MASK
+#define SYSFS_FLAG_REMOVED 0x0100
#ifdef CONFIG_SYSFS
+extern int sysfs_schedule_callback(struct kobject *kobj,
+ void (*func)(void *), void *data, struct module *owner);
+
extern int __must_check
-sysfs_create_dir(struct kobject *);
+sysfs_create_dir(struct kobject *kobj, struct sysfs_dirent *shadow_parent_sd);
extern void
sysfs_remove_dir(struct kobject *);
extern int __must_check
-sysfs_rename_dir(struct kobject *, const char *new_name);
+sysfs_rename_dir(struct kobject *kobj, struct sysfs_dirent *new_parent_sd,
+ const char *new_name);
extern int __must_check
sysfs_move_dir(struct kobject *, struct kobject *);
int __must_check sysfs_create_group(struct kobject *,
const struct attribute_group *);
void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+int sysfs_add_file_to_group(struct kobject *kobj,
+ const struct attribute *attr, const char *group);
+void sysfs_remove_file_from_group(struct kobject *kobj,
+ const struct attribute *attr, const char *group);
+
void sysfs_notify(struct kobject * k, char *dir, char *attr);
+
+extern int sysfs_make_shadowed_dir(struct kobject *kobj,
+ void * (*follow_link)(struct dentry *, struct nameidata *));
+extern struct sysfs_dirent *sysfs_create_shadow_dir(struct kobject *kobj);
+extern void sysfs_remove_shadow_dir(struct sysfs_dirent *shadow_sd);
+
extern int __must_check sysfs_init(void);
#else /* CONFIG_SYSFS */
-static inline int sysfs_create_dir(struct kobject * k)
+static inline int sysfs_schedule_callback(struct kobject *kobj,
+ void (*func)(void *), void *data, struct module *owner)
+{
+ return -ENOSYS;
+}
+
+static inline int sysfs_create_dir(struct kobject *kobj,
+ struct sysfs_dirent *shadow_parent_sd)
{
return 0;
}
;
}
-static inline int sysfs_rename_dir(struct kobject * k, const char *new_name)
+static inline int sysfs_rename_dir(struct kobject *kobj,
+ struct sysfs_dirent *new_parent_sd,
+ const char *new_name)
{
return 0;
}
;
}
+static inline int sysfs_add_file_to_group(struct kobject *kobj,
+ const struct attribute *attr, const char *group)
+{
+ return 0;
+}
+
+static inline void sysfs_remove_file_from_group(struct kobject *kobj,
+ const struct attribute *attr, const char *group)
+{
+}
+
static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
{
}
+static inline int sysfs_make_shadowed_dir(struct kobject *kobj,
+ void * (*follow_link)(struct dentry *, struct nameidata *))
+{
+ return 0;
+}
+
static inline int __must_check sysfs_init(void)
{
return 0;