BLT -> MOD : CONFIG_IOSCHED_AS

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

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index d12ee2b..a26a57e 100644 (file)
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -2,6 +2,7 @@
  * sysfs.h - definitions for the device driver filesystem
  *
  * Copyright (c) 2001,2002 Patrick Mochel
+ * Copyright (c) 2004 Silicon Graphics, Inc.
  *
  * Please see Documentation/filesystems/sysfs.txt for more information.
  */
@@ -11,17 +12,19 @@
 
 #include <asm/atomic.h>
 
+#define SYSFS_SUPER_MAGIC      0x62656572
+
 struct kobject;
 struct module;
 
 struct attribute {
-       char                    * name;
+       const char              * name;
        struct module           * owner;
        mode_t                  mode;
 };
 
 struct attribute_group {
-       char                    * name;
+       const char              * name;
        struct attribute        ** attrs;
 };
 
@@ -47,11 +50,16 @@ struct attribute_group {
 
 #define attr_name(_attr) (_attr).attr.name
 
+struct vm_area_struct;
+
 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);
+       int (*mmap)(struct kobject *, struct bin_attribute *attr,
+                   struct vm_area_struct *vma);
 };
 
 struct sysfs_ops {
@@ -67,6 +75,8 @@ struct sysfs_dirent {
        int                     s_type;
        umode_t                 s_mode;
        struct dentry           * s_dentry;
+       struct iattr            * s_iattr;
+       atomic_t                s_event;
 };
 
 #define SYSFS_ROOT             0x0001
@@ -93,20 +103,24 @@ sysfs_create_file(struct kobject *, const struct attribute *);
 extern int
 sysfs_update_file(struct kobject *, const struct attribute *);
 
+extern int
+sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
+
 extern void
 sysfs_remove_file(struct kobject *, const struct attribute *);
 
-extern int 
-sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name);
+extern int
+sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name);
 
 extern void
-sysfs_remove_link(struct kobject *, char * name);
+sysfs_remove_link(struct kobject *, const char * name);
 
 int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
 int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
 
 int sysfs_create_group(struct kobject *, const struct attribute_group *);
 void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+void sysfs_notify(struct kobject * k, char *dir, char *attr);
 
 #else /* CONFIG_SYSFS */
 
@@ -134,18 +148,22 @@ static inline int sysfs_update_file(struct kobject * k, const struct attribute *
 {
        return 0;
 }
+static inline int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+{
+       return 0;
+}
 
 static inline void sysfs_remove_file(struct kobject * k, const struct attribute * a)
 {
        ;
 }
 
-static inline int sysfs_create_link(struct kobject * k, struct kobject * t, char * n)
+static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n)
 {
        return 0;
 }
 
-static inline void sysfs_remove_link(struct kobject * k, char * name)
+static inline void sysfs_remove_link(struct kobject * k, const char * name)
 {
        ;
 }
@@ -171,6 +189,10 @@ static inline void sysfs_remove_group(struct kobject * k, const struct attribute
        ;
 }
 
+static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
+{
+}
+
 #endif /* CONFIG_SYSFS */
 
 #endif /* _SYSFS_H_ */