sysfs, kernfs: drop unused params from sysfs_fill_super()

sysfs_fill_super() takes three params - @sb, @data and @silent - but
uses only @sb.  Drop the latter two.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 852d115..21070c2 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -41,7 +41,7 @@
 	.s_ino		= 1,
 };
 
-static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
+static int sysfs_fill_super(struct super_block *sb)
 {
 	struct inode *inode;
 	struct dentry *root;
@@ -123,7 +123,7 @@
 	if (IS_ERR(sb))
 		return ERR_CAST(sb);
 	if (!sb->s_root) {
-		error = sysfs_fill_super(sb, data, flags & MS_SILENT ? 1 : 0);
+		error = sysfs_fill_super(sb);
 		if (error) {
 			deactivate_locked_super(sb);
 			return ERR_PTR(error);