io_uring: remove io_uring_cqwait_reg_arg

A separate wait argument registration API was removed, also delete
leftover uapi definitions.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/143b6a53591badac23632d3e6fa3e5db4b342ee2.1731942445.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 4418d019295919b35ee49b33e08413bd3192d805..aac9a4f8fa9a60e97ef2ac5ffe8066f23634c84a 100644 (file)
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -873,20 +873,6 @@ enum {
        IORING_REG_WAIT_TS              = (1U << 0),
 };
 
-/*
- * Argument for IORING_REGISTER_CQWAIT_REG, registering a region of
- * struct io_uring_reg_wait that can be indexed when io_uring_enter(2) is
- * called rather than pass in a wait argument structure separately.
- */
-struct io_uring_cqwait_reg_arg {
-       __u32           flags;
-       __u32           struct_size;
-       __u32           nr_entries;
-       __u32           pad;
-       __u64           user_addr;
-       __u64           pad2[3];
-};
-
 /*
  * Argument for io_uring_enter(2) with
  * IORING_GETEVENTS | IORING_ENTER_EXT_ARG_REG set, where the actual argument