1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index e2dd44f68f97..e95143c884b2 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -125,6 +125,14 @@ struct cftype {
         ssize_t (*write) (struct cgroup *cont, struct cftype *cft,
                           struct file *file,
                           const char __user *buf, size_t nbytes, loff_t *ppos);
+
+        /*
+         * write_uint() is a shortcut for the common case of accepting
+         * a single integer (as parsed by simple_strtoull) from
+         * userspace. Use in place of write(); return 0 or error.
+         */
+        int (*write_uint) (struct cgroup *cont, struct cftype *cft, u64 val);
+
         int (*release) (struct inode *inode, struct file *file);
 };