sysfs: Add sysfs_add/remove_files utility functions

Adding/Removing a whole array of attributes is very common. Add a standard
utility function to do this with a simple function call, instead of
requiring drivers to open code this.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index cfa83083a2d4..3e8526582146 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -94,9 +94,12 @@ int __must_check sysfs_move_dir(struct kobject *kobj,
 
 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);
 void sysfs_remove_file(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,
                                        const struct bin_attribute *attr);
@@ -164,6 +167,12 @@ static inline int sysfs_create_file(struct kobject *kobj,
         return 0;
 }
 
+static inline int sysfs_create_files(struct kobject *kobj,
+                                    const struct attribute **attr)
+{
+        return 0;
+}
+
 static inline int sysfs_chmod_file(struct kobject *kobj,
                                    struct attribute *attr, mode_t mode)
 {
@@ -175,6 +184,11 @@ static inline void sysfs_remove_file(struct kobject *kobj,
 {
 }
 
+static inline void sysfs_remove_files(struct kobject *kobj,
+                                     const struct attribute **attr)
+{
+}
+
 static inline int sysfs_create_bin_file(struct kobject *kobj,
                                         const struct bin_attribute *attr)
 {