1 files changed, 27 insertions, 12 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index f0496b3d1811..96eb576d82fd 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -16,19 +16,15 @@
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/lockdep.h>
+#include <linux/kobject_ns.h>
 #include <asm/atomic.h>
 
 struct kobject;
 struct module;
+enum kobj_ns_type;
 
-/* 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;
         mode_t                  mode;
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
         struct lock_class_key   *key;
@@ -86,17 +82,18 @@ struct attribute_group {
 
 #define attr_name(_attr) (_attr).attr.name
 
+struct file;
 struct vm_area_struct;
 
 struct bin_attribute {
         struct attribute        attr;
         size_t                  size;
         void                    *private;
-        ssize_t (*read)(struct kobject *, struct bin_attribute *,
+        ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *,
                         char *, loff_t, size_t);
-        ssize_t (*write)(struct kobject *, struct bin_attribute *,
+        ssize_t (*write)(struct file *,struct kobject *, struct bin_attribute *,
                          char *, loff_t, size_t);
-        int (*mmap)(struct kobject *, struct bin_attribute *attr,
+        int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
                     struct vm_area_struct *vma);
 };
 
@@ -134,8 +131,8 @@ int __must_check sysfs_create_file(struct kobject *kobj,
                                    const struct attribute *attr);
 int __must_check sysfs_create_files(struct kobject *kobj,
                                    const struct attribute **attr);
-int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
-                                  mode_t mode);
+int __must_check sysfs_chmod_file(struct kobject *kobj,
+                                  const struct attribute *attr, mode_t mode);
 void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
 void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);
 
@@ -154,6 +151,9 @@ void sysfs_remove_link(struct kobject *kobj, const char *name);
 int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
                         const char *old_name, const char *new_name);
 
+void sysfs_delete_link(struct kobject *dir, struct kobject *targ,
+                        const char *name);
+
 int __must_check sysfs_create_group(struct kobject *kobj,
                                     const struct attribute_group *grp);
 int sysfs_update_group(struct kobject *kobj,
@@ -168,10 +168,15 @@ void sysfs_remove_file_from_group(struct kobject *kobj,
 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 void *ns,
                                       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);
+
+/* Called to clear a ns tag when it is no longer valid */
+void sysfs_exit_ns(enum kobj_ns_type type, const void *tag);
+
 int __must_check sysfs_init(void);
 
 #else /* CONFIG_SYSFS */
@@ -215,7 +220,7 @@ static inline int sysfs_create_files(struct kobject *kobj,
 }
 
 static inline int sysfs_chmod_file(struct kobject *kobj,
-                                   struct attribute *attr, mode_t mode)
+                                   const struct attribute *attr, mode_t mode)
 {
         return 0;
 }
@@ -264,6 +269,11 @@ static inline int sysfs_rename_link(struct kobject *k, struct kobject *t,
         return 0;
 }
 
+static inline void sysfs_delete_link(struct kobject *k, struct kobject *t,
+                                     const char *name)
+{
+}
+
 static inline int sysfs_create_group(struct kobject *kobj,
                                      const struct attribute_group *grp)
 {
@@ -301,6 +311,7 @@ static inline void sysfs_notify_dirent(struct sysfs_dirent *sd)
 }
 static inline
 struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
+                                      const void *ns,
                                       const unsigned char *name)
 {
         return NULL;
@@ -313,6 +324,10 @@ static inline void sysfs_put(struct sysfs_dirent *sd)
 {
 }
 
+static inline void sysfs_exit_ns(int type, const void *tag)
+{
+}
+
 static inline int __must_check sysfs_init(void)
 {
         return 0;