X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fsysfs.h;h=9d68fed50f119423904db7d7f608fd4baede5a82;hb=41c7bb9588904eb060a95bcad47bd3804a1ece25;hp=0544edda716888ee3ee26823be8cd82ac497c606;hpb=d9a9cdfb078d755e648d53ec25b7370f84ee5729;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 0544edd..9d68fed 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -3,6 +3,8 @@
  *
  * Copyright (c) 2001,2002 Patrick Mochel
  * Copyright (c) 2004 Silicon Graphics, Inc.
+ * Copyright (c) 2007 SUSE Linux Products GmbH
+ * Copyright (c) 2007 Tejun Heo <teheo@suse.de>
  *
  * Please see Documentation/filesystems/sysfs.txt for more information.
  */
@@ -11,23 +13,29 @@
 #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;
 
+/* FIXME
+ * The *owner field is no longer used.
+ * x86 tree has been cleaned up. The owner
+ * attribute is still left for other arches.
+ */
 struct attribute {
-	const char		* name;
-	struct module 		* owner;
+	const char		*name;
+	struct module		*owner;
 	mode_t			mode;
 };
 
 struct attribute_group {
-	const char		* name;
-	struct attribute	** attrs;
+	const char		*name;
+	mode_t			(*is_visible)(struct kobject *,
+					      struct attribute *, int);
+	struct attribute	**attrs;
 };
 
 
@@ -38,14 +46,14 @@ struct attribute_group {
  */
 
 #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 } }
@@ -58,8 +66,10 @@ struct bin_attribute {
 	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);
 };
@@ -69,148 +79,144 @@ struct sysfs_ops {
 	ssize_t	(*store)(struct kobject *,struct attribute *,const char *, size_t);
 };
 
-#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)
+struct sysfs_dirent;
 
 #ifdef CONFIG_SYSFS
 
-extern int sysfs_schedule_callback(struct kobject *kobj,
-		void (*func)(void *), void *data);
-
-extern int __must_check
-sysfs_create_dir(struct kobject *, struct dentry *);
-
-extern void
-sysfs_remove_dir(struct kobject *);
-
-extern int __must_check
-sysfs_rename_dir(struct kobject *, struct dentry *, const char *new_name);
-
-extern int __must_check
-sysfs_move_dir(struct kobject *, struct kobject *);
-
-extern int __must_check
-sysfs_create_file(struct kobject *, const struct attribute *);
-
-extern int __must_check
-sysfs_update_file(struct kobject *, const struct attribute *);
-
-extern int __must_check
-sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
+int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *),
+			    void *data, struct module *owner);
 
-extern void
-sysfs_remove_file(struct kobject *, const struct attribute *);
+int __must_check sysfs_create_dir(struct kobject *kobj);
+void sysfs_remove_dir(struct kobject *kobj);
+int __must_check sysfs_rename_dir(struct kobject *kobj, const char *new_name);
+int __must_check sysfs_move_dir(struct kobject *kobj,
+				struct kobject *new_parent_kobj);
 
-extern int __must_check
-sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name);
-
-extern void
-sysfs_remove_link(struct kobject *, const char * name);
+int __must_check sysfs_create_file(struct kobject *kobj,
+				   const struct attribute *attr);
+int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
+				  mode_t mode);
+void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
-					struct bin_attribute *attr);
+				       struct bin_attribute *attr);
 void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
 
-int __must_check sysfs_create_group(struct kobject *,
-					const struct attribute_group *);
-void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+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,
+				    const struct attribute_group *grp);
+int sysfs_update_group(struct kobject *kobj,
+		       const struct attribute_group *grp);
+void sysfs_remove_group(struct kobject *kobj,
+			const struct attribute_group *grp);
 int sysfs_add_file_to_group(struct kobject *kobj,
-		const struct attribute *attr, const char *group);
+			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 dentry *sysfs_create_shadow_dir(struct kobject *kobj);
-extern void sysfs_remove_shadow_dir(struct dentry *dir);
+			const struct attribute *attr, const char *group);
 
-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 */
 
 static inline int sysfs_schedule_callback(struct kobject *kobj,
-		void (*func)(void *), void *data)
+		void (*func)(void *), void *data, struct module *owner)
 {
 	return -ENOSYS;
 }
 
-static inline int sysfs_create_dir(struct kobject * k, struct dentry *shadow)
+static inline int sysfs_create_dir(struct kobject *kobj)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_dir(struct kobject * k)
+static inline void sysfs_remove_dir(struct kobject *kobj)
 {
-	;
 }
 
-static inline int sysfs_rename_dir(struct kobject * k,
-					struct dentry *new_parent,
-					const char *new_name)
+static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name)
 {
 	return 0;
 }
 
-static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent)
+static inline int sysfs_move_dir(struct kobject *kobj,
+				 struct kobject *new_parent_kobj)
 {
 	return 0;
 }
 
-static inline int sysfs_create_file(struct kobject * k, const struct attribute * a)
+static inline int sysfs_create_file(struct kobject *kobj,
+				    const struct attribute *attr)
 {
 	return 0;
 }
 
-static inline int sysfs_update_file(struct kobject * k, const struct attribute * a)
+static inline int sysfs_chmod_file(struct kobject *kobj,
+				   struct attribute *attr, mode_t mode)
 {
 	return 0;
 }
-static inline int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+
+static inline void sysfs_remove_file(struct kobject *kobj,
+				     const struct attribute *attr)
+{
+}
+
+static inline int sysfs_create_bin_file(struct kobject *kobj,
+					struct bin_attribute *attr)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_file(struct kobject * k, const struct attribute * a)
+static inline void sysfs_remove_bin_file(struct kobject *kobj,
+					 struct bin_attribute *attr)
 {
-	;
 }
 
-static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n)
+static inline int sysfs_create_link(struct kobject *kobj,
+				    struct kobject *target, const char *name)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_link(struct kobject * k, const char * name)
+static inline int sysfs_create_link_nowarn(struct kobject *kobj,
+					   struct kobject *target,
+					   const char *name)
 {
-	;
+	return 0;
 }
 
-
-static inline int sysfs_create_bin_file(struct kobject * k, struct bin_attribute * a)
+static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
 {
-	return 0;
 }
 
-static inline int sysfs_remove_bin_file(struct kobject * k, struct bin_attribute * a)
+static inline int sysfs_create_group(struct kobject *kobj,
+				     const struct attribute_group *grp)
 {
 	return 0;
 }
 
-static inline int sysfs_create_group(struct kobject * k, const struct attribute_group *g)
+static inline int sysfs_update_group(struct kobject *kobj,
+				const struct attribute_group *grp)
 {
 	return 0;
 }
 
-static inline void sysfs_remove_group(struct kobject * k, const struct attribute_group * g)
+static inline void sysfs_remove_group(struct kobject *kobj,
+				      const struct attribute_group *grp)
 {
-	;
 }
 
 static inline int sysfs_add_file_to_group(struct kobject *kobj,
@@ -224,14 +230,25 @@ static inline void sysfs_remove_file_from_group(struct kobject *kobj,
 {
 }
 
-static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
+static inline void sysfs_notify(struct kobject *kobj, const char *dir,
+				const char *attr)
 {
 }
-
-static inline int sysfs_make_shadowed_dir(struct kobject *kobj,
-	void * (*follow_link)(struct dentry *, struct nameidata *))
+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)
 {
-	return 0;
 }
 
 static inline int __must_check sysfs_init(void)
@@ -239,6 +256,10 @@ static inline int __must_check sysfs_init(void)
 	return 0;
 }
 
+static inline void sysfs_printk_last_file(void)
+{
+}
+
 #endif /* CONFIG_SYSFS */
 
 #endif /* _SYSFS_H_ */