188 static int btt_log_read_pair(struct arena_info *arena, u32 lane,  in btt_log_read_pair()  argument
193 			arena->logoff + (2 * lane * LOG_ENT_SIZE), ent,  in btt_log_read_pair()
306 static int btt_log_read(struct arena_info *arena, u32 lane,  in btt_log_read()  argument
313 	ret = btt_log_read_pair(arena, lane, log);  in btt_log_read()
321 			old_ent, lane, log[0].seq, log[1].seq);  in btt_log_read()
339 static int __btt_log_write(struct arena_info *arena, u32 lane,  in __btt_log_write()  argument
351 	u64 ns_off = arena->logoff + (((2 * lane) + sub) * LOG_ENT_SIZE);  in __btt_log_write()
364 static int btt_flog_write(struct arena_info *arena, u32 lane, u32 sub,  in btt_flog_write()  argument
369 	ret = __btt_log_write(arena, lane, sub, ent);  in btt_flog_write()
374 	arena->freelist[lane].sub = 1 - arena->freelist[lane].sub;  in btt_flog_write()
375 	if (++(arena->freelist[lane].seq) == 4)  in btt_flog_write()
376 		arena->freelist[lane].seq = 1;  in btt_flog_write()
377 	arena->freelist[lane].block = le32_to_cpu(ent->old_map);  in btt_flog_write()
968 	u32 lane = 0, premap, postmap;  in btt_read_pg()  local
973 		lane = nd_region_acquire_lane(btt->nd_region);  in btt_read_pg()
1003 			arena->rtt[lane] = RTT_VALID | postmap;  in btt_read_pg()
1031 		arena->rtt[lane] = RTT_INVALID;  in btt_read_pg()
1032 		nd_region_release_lane(btt->nd_region, lane);  in btt_read_pg()
1042 	arena->rtt[lane] = RTT_INVALID;  in btt_read_pg()
1044 	nd_region_release_lane(btt->nd_region, lane);  in btt_read_pg()
1054 	u32 premap = 0, old_postmap, new_postmap, lane = 0, i;  in btt_write_pg()  local
1061 		lane = nd_region_acquire_lane(btt->nd_region);  in btt_write_pg()
1073 		new_postmap = arena->freelist[lane].block;  in btt_write_pg()
1109 		log.seq = cpu_to_le32(arena->freelist[lane].seq);  in btt_write_pg()
1110 		sub = arena->freelist[lane].sub;  in btt_write_pg()
1111 		ret = btt_flog_write(arena, lane, sub, &log);  in btt_write_pg()
1120 		nd_region_release_lane(btt->nd_region, lane);  in btt_write_pg()
1132 	nd_region_release_lane(btt->nd_region, lane);  in btt_write_pg()