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-rw-r--r--include/linux/sysfs.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index f0496b3d181..f2694eb4dd3 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -20,6 +20,7 @@
struct kobject;
struct module;
+enum kobj_ns_type;
/* FIXME
* The *owner field is no longer used.
@@ -86,17 +87,18 @@ 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);
};
@@ -154,6 +156,9 @@ 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 +173,15 @@ 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+/* Called to clear a ns tag when it is no longer valid */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 */
@@ -264,6 +274,11 @@ 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 +316,7 @@ 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 +329,10 @@ 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;