1020 	size_t padding, avail = 0;  in relay_file_read_subbuf_avail()  local
1032 			avail = write_offset - (read_offset + padding);  in relay_file_read_subbuf_avail()
1034 		avail = (subbuf_size - padding) - read_offset;  in relay_file_read_subbuf_avail()
1036 	return avail;  in relay_file_read_subbuf_avail()
1101 			     size_t avail,  in subbuf_read_actor()  argument
1108 	ret = avail;  in subbuf_read_actor()
1109 	if (copy_to_user(desc->arg.buf, from, avail)) {  in subbuf_read_actor()
1122 			       size_t avail,
1133 	size_t read_start, avail;  in relay_file_read_subbufs()  local
1145 		avail = relay_file_read_subbuf_avail(read_start, buf);  in relay_file_read_subbufs()
1146 		if (!avail)  in relay_file_read_subbufs()
1149 		avail = min(desc->count, avail);  in relay_file_read_subbufs()
1150 		ret = subbuf_actor(read_start, buf, avail, desc);  in relay_file_read_subbufs()