3 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 952b01033c32..1ff3f1697513 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -560,6 +560,8 @@ extern int device_create_file(struct device *device,
                               const struct device_attribute *entry);
 extern void device_remove_file(struct device *dev,
                                const struct device_attribute *attr);
+extern bool device_remove_file_self(struct device *dev,
+                                    const struct device_attribute *attr);
 extern int __must_check device_create_bin_file(struct device *dev,
                                         const struct bin_attribute *attr);
 extern void device_remove_bin_file(struct device *dev,
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index ac8693027058..0b7b7cc352eb 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -43,6 +43,8 @@ enum kernfs_node_flag {
         KERNFS_HAS_MMAP         = 0x0080,
         KERNFS_LOCKDEP          = 0x0100,
         KERNFS_STATIC_NAME      = 0x0200,
+        KERNFS_SUICIDAL         = 0x0400,
+        KERNFS_SUICIDED         = 0x0800,
 };
 
 /* type-specific structures for kernfs_node union members */
@@ -239,6 +241,7 @@ void kernfs_reactivate(struct kernfs_node *kn);
 void kernfs_deactivate_self(struct kernfs_node *kn);
 void kernfs_reactivate_self(struct kernfs_node *kn);
 void kernfs_remove(struct kernfs_node *kn);
+bool kernfs_remove_self(struct kernfs_node *kn);
 int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
                              const void *ns);
 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
@@ -296,6 +299,9 @@ kernfs_create_link(struct kernfs_node *parent, const char *name,
 
 static inline void kernfs_remove(struct kernfs_node *kn) { }
 
+static inline bool kernfs_remove_self(struct kernfs_node *kn)
+{ return false; }
+
 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,
                                            const char *name, const void *ns)
 { return -ENOSYS; }
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 30b2ebee6439..bd96c603ab6c 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -198,6 +198,7 @@ int __must_check sysfs_chmod_file(struct kobject *kobj,
                                   const struct attribute *attr, umode_t mode);
 void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
                           const void *ns);
+bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr);
 void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
@@ -301,6 +302,12 @@ static inline void sysfs_remove_file_ns(struct kobject *kobj,
 {
 }
 
+static inline bool sysfs_remove_file_self(struct kobject *kobj,
+                                          const struct attribute *attr)
+{
+        return false;
+}
+
 static inline void sysfs_remove_files(struct kobject *kobj,
                                      const struct attribute **attr)
 {