v4.19.13 snapshot.
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
new file mode 100644
index 0000000..2c45616
--- /dev/null
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+#include <linux/mutex.h>
+
+#include "ide-disk.h"
+
+static DEFINE_MUTEX(ide_disk_ioctl_mutex);
+static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
+{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address },
+{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount },
+{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr },
+{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache },
+{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic },
+{ 0 }
+};
+
+int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
+ int err;
+
+ mutex_lock(&ide_disk_ioctl_mutex);
+ err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
+ if (err != -EOPNOTSUPP)
+ goto out;
+
+ err = generic_ide_ioctl(drive, bdev, cmd, arg);
+out:
+ mutex_unlock(&ide_disk_ioctl_mutex);
+ return err;
+}