diff --git a/fs/pipe.c b/fs/pipe.c
index e66ec48e95d8..a07e9a542064 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -576,9 +576,7 @@ bad_pipe_w(struct file *filp, const char __user *buf, size_t count,
 	return -EBADF;
 }
 
-static int
-pipe_ioctl(struct inode *pino, struct file *filp,
-	   unsigned int cmd, unsigned long arg)
+static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct inode *inode = filp->f_path.dentry->d_inode;
 	struct pipe_inode_info *pipe;
@@ -785,7 +783,7 @@ const struct file_operations read_fifo_fops = {
 	.aio_read	= pipe_read,
 	.write		= bad_pipe_w,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_read_open,
 	.release	= pipe_read_release,
 	.fasync		= pipe_read_fasync,
@@ -797,7 +795,7 @@ const struct file_operations write_fifo_fops = {
 	.write		= do_sync_write,
 	.aio_write	= pipe_write,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_write_open,
 	.release	= pipe_write_release,
 	.fasync		= pipe_write_fasync,
@@ -810,7 +808,7 @@ const struct file_operations rdwr_fifo_fops = {
 	.write		= do_sync_write,
 	.aio_write	= pipe_write,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_rdwr_open,
 	.release	= pipe_rdwr_release,
 	.fasync		= pipe_rdwr_fasync,
@@ -822,7 +820,7 @@ static const struct file_operations read_pipe_fops = {
 	.aio_read	= pipe_read,
 	.write		= bad_pipe_w,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_read_open,
 	.release	= pipe_read_release,
 	.fasync		= pipe_read_fasync,
@@ -834,7 +832,7 @@ static const struct file_operations write_pipe_fops = {
 	.write		= do_sync_write,
 	.aio_write	= pipe_write,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_write_open,
 	.release	= pipe_write_release,
 	.fasync		= pipe_write_fasync,
@@ -847,7 +845,7 @@ static const struct file_operations rdwr_pipe_fops = {
 	.write		= do_sync_write,
 	.aio_write	= pipe_write,
 	.poll		= pipe_poll,
-	.ioctl		= pipe_ioctl,
+	.unlocked_ioctl	= pipe_ioctl,
 	.open		= pipe_rdwr_open,
 	.release	= pipe_rdwr_release,
 	.fasync		= pipe_rdwr_fasync,