1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 44f35aea2f1f..948bd2bfb1de 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2362,6 +2362,8 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
 
 extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
                         loff_t *ppos, const void *from, size_t available);
+extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
+                const void __user *from, size_t count);
 
 extern int simple_fsync(struct file *, struct dentry *, int);