Defined in 2 files as a macro:

• include/uapi/linux/io_uring.h, line 181 (as a macro)
• tools/include/uapi/linux/io_uring.h, line 155 (as a macro)

Referenced in 3 files:

• io_uring/io_uring.c, line 2049
• io_uring/io_uring.h, line 62
• tools/testing/selftests/drivers/net/hw/iou-zcrx.c, line 357