54 	struct dm_target *ti;  member
254 static int mirror_flush(struct dm_target *ti)  in mirror_flush()  argument
256 	struct mirror_set *ms = ti->private;  in mirror_flush()
347 		from.count = ms->ti->len & (region_size - 1);  in recover()
406 		dm_table_event(ms->ti->table);  in do_recovery()
455 	return m->offset + dm_target_offset(m->ms->ti, bio->bi_iter.bi_sector);  in map_sector()
486 		if (dm_noflush_suspending(ms->ti))  in hold_bio()
844 	dm_table_event(ms->ti->table);  in trigger_event()
878 					struct dm_target *ti,  in alloc_context()  argument
885 		ti->error = "Cannot allocate mirror context";  in alloc_context()
895 	ms->ti = ti;  in alloc_context()
897 	ms->nr_regions = dm_sector_div_up(ti->len, region_size);  in alloc_context()
906 		ti->error = "Error creating dm_io client";  in alloc_context()
913 				       ms->ti->begin, MAX_RECOVERY,  in alloc_context()
916 		ti->error = "Error creating dirty region hash";  in alloc_context()
925 static void free_context(struct mirror_set *ms, struct dm_target *ti,  in free_context()  argument
929 		dm_put_device(ti, ms->mirror[m].dev);  in free_context()
936 static int get_mirror(struct mirror_set *ms, struct dm_target *ti,  in get_mirror()  argument
945 		ti->error = "Invalid offset";  in get_mirror()
949 	ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),  in get_mirror()
952 		ti->error = "Device lookup failure";  in get_mirror()
967 static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,  in create_dirty_log()  argument
976 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
981 		ti->error = "Invalid mirror log argument count";  in create_dirty_log()
988 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
992 	dl = dm_dirty_log_create(argv[0], ti, mirror_flush, param_count,  in create_dirty_log()
995 		ti->error = "Error creating mirror dirty log";  in create_dirty_log()
1006 	struct dm_target *ti = ms->ti;  in parse_features()  local
1016 		ti->error = "Invalid number of features";  in parse_features()
1025 		ti->error = "Not enough arguments to support feature count";  in parse_features()
1035 			ti->error = "Unrecognised feature requested";  in parse_features()
1044 		ti->error = "keep_log feature requires the handle_errors feature";  in parse_features()
1063 static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in mirror_ctr()  argument
1071 	dl = create_dirty_log(ti, argc, argv, &args_used);  in mirror_ctr()
1080 		ti->error = "Invalid number of mirrors";  in mirror_ctr()
1088 		ti->error = "Too few mirror arguments";  in mirror_ctr()
1093 	ms = alloc_context(nr_mirrors, dl->type->get_region_size(dl), ti, dl);  in mirror_ctr()
1101 		r = get_mirror(ms, ti, m, argv);  in mirror_ctr()
1103 			free_context(ms, ti, m);  in mirror_ctr()
1110 	ti->private = ms;  in mirror_ctr()
1112 	r = dm_set_target_max_io_len(ti, dm_rh_get_region_size(ms->rh));  in mirror_ctr()
1116 	ti->num_flush_bios = 1;  in mirror_ctr()
1117 	ti->num_discard_bios = 1;  in mirror_ctr()
1118 	ti->per_io_data_size = sizeof(struct dm_raid1_bio_record);  in mirror_ctr()
1148 		ti->error = "Too many mirror arguments";  in mirror_ctr()
1165 	free_context(ms, ti, ms->nr_mirrors);  in mirror_ctr()
1169 static void mirror_dtr(struct dm_target *ti)  in mirror_dtr()  argument
1171 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_dtr()
1178 	free_context(ms, ti, ms->nr_mirrors);  in mirror_dtr()
1184 static int mirror_map(struct dm_target *ti, struct bio *bio)  in mirror_map()  argument
1188 	struct mirror_set *ms = ti->private;  in mirror_map()
1233 static int mirror_end_io(struct dm_target *ti, struct bio *bio,  in mirror_end_io()  argument
1237 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_end_io()
1300 static void mirror_presuspend(struct dm_target *ti)  in mirror_presuspend()  argument
1302 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_presuspend()
1346 static void mirror_postsuspend(struct dm_target *ti)  in mirror_postsuspend()  argument
1348 	struct mirror_set *ms = ti->private;  in mirror_postsuspend()
1356 static void mirror_resume(struct dm_target *ti)  in mirror_resume()  argument
1358 	struct mirror_set *ms = ti->private;  in mirror_resume()
1393 static void mirror_status(struct dm_target *ti, status_type_t type,  in mirror_status()  argument
1398 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_status()
1440 		DMEMIT_TARGET_NAME_VERSION(ti->type);  in mirror_status()
1458 static int mirror_iterate_devices(struct dm_target *ti,  in mirror_iterate_devices()  argument
1461 	struct mirror_set *ms = ti->private;  in mirror_iterate_devices()
1466 		ret = fn(ti, ms->mirror[i].dev,  in mirror_iterate_devices()
1467 			 ms->mirror[i].offset, ti->len, data);  in mirror_iterate_devices()