summaryrefslogtreecommitdiff
path: root/include/uapi
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/blkdev.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/blkdev.h b/include/uapi/linux/blkdev.h
new file mode 100644
index 000000000000..66373cd1a83a
--- /dev/null
+++ b/include/uapi/linux/blkdev.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_BLKDEV_H
+#define _UAPI_LINUX_BLKDEV_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/*
+ * io_uring block file commands, see IORING_OP_URING_CMD.
+ * It's a different number space from ioctl(), reuse the block's code 0x12.
+ */
+#define BLOCK_URING_CMD_DISCARD _IO(0x12, 0)
+
+#endif