cgroups: introduce cft->read_seq()

[linux-2.6] / include / linux / sysfs.h

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index db5dd2403d0896d48036c58d1adcc387f32a5e45..add3c5a40827f7824169159a140884da38291d17 100644 (file)
--- 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.
  */
@@ -30,6 +32,8 @@ struct attribute {
 
 struct attribute_group {
        const char              *name;
+       mode_t                  (*is_visible)(struct kobject *,
+                                             struct attribute *, int);
        struct attribute        **attrs;
 };
 
@@ -101,6 +105,8 @@ 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,
@@ -127,7 +133,6 @@ static inline int sysfs_create_dir(struct kobject *kobj)
 
 static inline void sysfs_remove_dir(struct kobject *kobj)
 {
-       ;
 }
 
 static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name)
@@ -156,7 +161,6 @@ static inline int sysfs_chmod_file(struct kobject *kobj,
 static inline void sysfs_remove_file(struct kobject *kobj,
                                     const struct attribute *attr)
 {
-       ;
 }
 
 static inline int sysfs_create_bin_file(struct kobject *kobj,
@@ -165,10 +169,9 @@ static inline int sysfs_create_bin_file(struct kobject *kobj,
        return 0;
 }
 
-static inline int sysfs_remove_bin_file(struct kobject *kobj,
-                                       struct bin_attribute *attr)
+static inline void sysfs_remove_bin_file(struct kobject *kobj,
+                                        struct bin_attribute *attr)
 {
-       return 0;
 }
 
 static inline int sysfs_create_link(struct kobject *kobj,
@@ -179,7 +182,6 @@ static inline int sysfs_create_link(struct kobject *kobj,
 
 static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
 {
-       ;
 }
 
 static inline int sysfs_create_group(struct kobject *kobj,
@@ -191,7 +193,6 @@ static inline int sysfs_create_group(struct kobject *kobj,
 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,