680 	u16				buf_index;  member
2813 	req->buf_index = READ_ONCE(sqe->buf_index);  in io_prep_rw()
2866 	u16 index, buf_index = req->buf_index;  in io_import_fixed()  local
2870 	if (unlikely(buf_index >= ctx->nr_user_bufs))  in io_import_fixed()
2872 	index = array_index_nospec(buf_index, ctx->nr_user_bufs);  in io_import_fixed()
2987 	bgid = req->buf_index;  in io_rw_buffer_select()
3084 	if (req->buf_index && !(req->flags & REQ_F_BUFFER_SELECT))  in __io_import_iovec()
3716 	if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index))  in io_prep_fsync()
3749 	if (sqe->ioprio || sqe->buf_index || sqe->rw_flags)  in io_fallocate_prep()
3780 	if (unlikely(sqe->ioprio || sqe->buf_index))  in __io_openat_prep()
4051 	if (sqe->ioprio || sqe->buf_index)  in io_epoll_ctl_prep()
4097 	if (sqe->ioprio || sqe->buf_index || sqe->off)  in io_madvise_prep()
4132 	if (sqe->ioprio || sqe->buf_index || sqe->addr)  in io_fadvise_prep()
4170 	if (sqe->ioprio || sqe->buf_index)  in io_statx_prep()
4218 	    sqe->rw_flags || sqe->buf_index)  in io_close_prep()
4272 	if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index))  in io_prep_sfr()
4699 	if (sqe->ioprio || sqe->len || sqe->buf_index)  in io_accept_prep()
4740 	if (sqe->ioprio || sqe->len || sqe->buf_index || sqe->rw_flags)  in io_connect_prep()
5328 	if (sqe->ioprio || sqe->off || sqe->len || sqe->buf_index ||  in io_poll_remove_prep()
5381 	if (sqe->addr || sqe->ioprio || sqe->off || sqe->len || sqe->buf_index)  in io_poll_add_prep()
5482 	if (sqe->ioprio || sqe->buf_index || sqe->len || sqe->timeout_flags)  in io_timeout_remove_prep()
5519 	if (sqe->ioprio || sqe->buf_index || sqe->len != 1)  in io_timeout_prep()
9799 	BUILD_BUG_SQE_ELEM(40, __u16,  buf_index);  in io_uring_init()