873 	u16				buf_index;  member
2962 	req->buf_index = READ_ONCE(sqe->buf_index);  in io_prep_rw()
2970 		if (unlikely(req->buf_index >= ctx->nr_user_bufs))  in io_prep_rw()
2972 		index = array_index_nospec(req->buf_index, ctx->nr_user_bufs);  in io_prep_rw()
3160 	bgid = req->buf_index;  in io_rw_buffer_select()
3253 	if (req->buf_index && !(req->flags & REQ_F_BUFFER_SELECT))  in io_import_iovec()
3760 	if (sqe->ioprio || sqe->buf_index || sqe->splice_fd_in)  in io_renameat_prep()
3811 	if (sqe->ioprio || sqe->off || sqe->len || sqe->buf_index ||  in io_unlinkat_prep()
3859 		     sqe->buf_index || sqe->splice_fd_in))  in io_shutdown_prep()
4010 	if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index ||  in io_fsync_prep()
4044 	if (sqe->ioprio || sqe->buf_index || sqe->rw_flags ||  in io_fallocate_prep()
4080 	if (unlikely(sqe->ioprio || sqe->buf_index))  in __io_openat_prep()
4374 	if (sqe->ioprio || sqe->buf_index || sqe->splice_fd_in)  in io_epoll_ctl_prep()
4420 	if (sqe->ioprio || sqe->buf_index || sqe->off || sqe->splice_fd_in)  in io_madvise_prep()
4455 	if (sqe->ioprio || sqe->buf_index || sqe->addr || sqe->splice_fd_in)  in io_fadvise_prep()
4493 	if (sqe->ioprio || sqe->buf_index || sqe->splice_fd_in)  in io_statx_prep()
4529 	    sqe->rw_flags || sqe->buf_index)  in io_close_prep()
4599 	if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index ||  in io_sfr_prep()
5036 	if (sqe->ioprio || sqe->len || sqe->buf_index)  in io_accept_prep()
5108 	if (sqe->ioprio || sqe->len || sqe->buf_index || sqe->rw_flags ||  in io_connect_prep()
5768 	if (sqe->ioprio || sqe->buf_index || sqe->splice_fd_in)  in io_poll_update_prep()
5800 	if (sqe->ioprio || sqe->buf_index || sqe->off || sqe->addr)  in io_poll_add_prep()
6000 	if (sqe->ioprio || sqe->buf_index || sqe->len || sqe->splice_fd_in)  in io_timeout_remove_prep()
6070 	if (sqe->ioprio || sqe->buf_index || sqe->len != 1 ||  in io_timeout_prep()
10944 	BUILD_BUG_SQE_ELEM(40, __u16,  buf_index);  in io_uring_init()