865 	u8				opcode;  member
1437 	const struct io_op_def *def = &io_op_defs[req->opcode];  in io_prep_async_work()
2070 	if (link && link->opcode == IORING_OP_LINK_TIMEOUT) {  in io_kill_linked_timeout()
2116 		if (link && link->opcode == IORING_OP_LINK_TIMEOUT) {  in io_disarm_next()
3020 	if (req->opcode == IORING_OP_READ_FIXED ||  in io_prep_rw()
3021 	    req->opcode == IORING_OP_WRITE_FIXED) {  in io_prep_rw()
3326 	u8 opcode = req->opcode;  in io_import_iovec()  local
3329 	if (opcode == IORING_OP_READ_FIXED || opcode == IORING_OP_WRITE_FIXED) {  in io_import_iovec()
3338 	if (opcode == IORING_OP_READ || opcode == IORING_OP_WRITE) {  in io_import_iovec()
3460 	WARN_ON_ONCE(!io_op_defs[req->opcode].async_size);  in io_alloc_async_data()
3461 	req->async_data = kmalloc(io_op_defs[req->opcode].async_size, GFP_KERNEL);  in io_alloc_async_data()
3469 	if (!force && !io_op_defs[req->opcode].needs_async_setup)  in io_setup_async_rw()
5546 	if (req->opcode == IORING_OP_POLL_ADD)  in io_poll_get_double()
5553 	if (req->opcode == IORING_OP_POLL_ADD)  in io_poll_get_single()
5744 	if (req->opcode == IORING_OP_POLL_ADD)  in __io_poll_execute()
5749 	trace_io_uring_task_add(req->ctx, req->opcode, req->user_data, mask);  in __io_poll_execute()
5952 	const struct io_op_def *def = &io_op_defs[req->opcode];  in io_arm_poll_handler()
5968 		if ((req->opcode == IORING_OP_RECVMSG) &&  in io_arm_poll_handler()
5997 	trace_io_uring_poll_arm(ctx, req, req->opcode, req->user_data,  in io_arm_poll_handler()
6041 		if (poll_only && req->opcode != IORING_OP_POLL_ADD)  in io_poll_find()
6433 		if (link->last->opcode == IORING_OP_LINK_TIMEOUT)  in io_timeout_prep()
6639 	switch (req->opcode) {  in io_req_prep()
6717 			req->opcode);  in io_req_prep()
6723 	if (!io_op_defs[req->opcode].needs_async_setup)  in io_req_prep_async()
6730 	switch (req->opcode) {  in io_req_prep_async()
6743 		    req->opcode);  in io_req_prep_async()
6835 		switch (req->opcode) {  in io_clean_op()
6849 		switch (req->opcode) {  in io_clean_op()
6918 	switch (req->opcode) {  in io_issue_sqe()
7323 	if (!test_bit(req->opcode, ctx->restrictions.sqe_op))  in io_check_restriction()
7346 	req->opcode = READ_ONCE(sqe->opcode);  in io_init_req()
7357 	if (unlikely(req->opcode >= IORING_OP_LAST))  in io_init_req()
7363 	    !io_op_defs[req->opcode].buffer_select)  in io_init_req()
7383 	    io_op_defs[req->opcode].plug) {  in io_init_req()
7388 	if (io_op_defs[req->opcode].needs_file) {  in io_init_req()
7439 	trace_io_uring_submit_sqe(ctx, req, req->opcode, req->user_data,  in io_submit_sqe()
10416 			seq_printf(m, "  op=%d, task_works=%d\n", req->opcode,  in __io_uring_show_fdinfo()
10782 		switch (res[i].opcode) {  in io_register_restrictions()
11094 static int __io_uring_register(struct io_ring_ctx *ctx, unsigned opcode,  in __io_uring_register()  argument
11110 		opcode = array_index_nospec(opcode, IORING_REGISTER_LAST);  in __io_uring_register()
11111 		if (!test_bit(opcode, ctx->restrictions.register_op))  in __io_uring_register()
11115 	if (io_register_op_must_quiesce(opcode)) {  in __io_uring_register()
11121 	switch (opcode) {  in __io_uring_register()
11151 		if (opcode == IORING_REGISTER_EVENTFD_ASYNC)  in __io_uring_register()
11226 	if (io_register_op_must_quiesce(opcode)) {  in __io_uring_register()
11234 SYSCALL_DEFINE4(io_uring_register, unsigned int, fd, unsigned int, opcode,  in SYSCALL_DEFINE4()  argument
11241 	if (opcode >= IORING_REGISTER_LAST)  in SYSCALL_DEFINE4()
11257 	ret = __io_uring_register(ctx, opcode, arg, nr_args);  in SYSCALL_DEFINE4()
11259 	trace_io_uring_register(ctx, opcode, ctx->nr_user_files, ctx->nr_user_bufs,  in SYSCALL_DEFINE4()
11276 	BUILD_BUG_SQE_ELEM(0,  __u8,   opcode);  in io_uring_init()