50 	struct dm_target *ti;  member
252 static int mirror_flush(struct dm_target *ti)  in mirror_flush()  argument
254 	struct mirror_set *ms = ti->private;  in mirror_flush()
345 		from.count = ms->ti->len & (region_size - 1);  in recover()
399 		dm_table_event(ms->ti->table);  in do_recovery()
447 	return m->offset + dm_target_offset(m->ms->ti, bio->bi_iter.bi_sector);  in map_sector()
478 		if (dm_noflush_suspending(ms->ti))  in hold_bio()
826 	dm_table_event(ms->ti->table);  in trigger_event()
860 					struct dm_target *ti,  in alloc_context()  argument
870 		ti->error = "Cannot allocate mirror context";  in alloc_context()
880 	ms->ti = ti;  in alloc_context()
882 	ms->nr_regions = dm_sector_div_up(ti->len, region_size);  in alloc_context()
891 		ti->error = "Error creating dm_io client";  in alloc_context()
898 				       ms->ti->begin, MAX_RECOVERY,  in alloc_context()
901 		ti->error = "Error creating dirty region hash";  in alloc_context()
910 static void free_context(struct mirror_set *ms, struct dm_target *ti,  in free_context()  argument
914 		dm_put_device(ti, ms->mirror[m].dev);  in free_context()
921 static int get_mirror(struct mirror_set *ms, struct dm_target *ti,  in get_mirror()  argument
928 		ti->error = "Invalid offset";  in get_mirror()
932 	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),  in get_mirror()
934 		ti->error = "Device lookup failure";  in get_mirror()
949 static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,  in create_dirty_log()  argument
958 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
963 		ti->error = "Invalid mirror log argument count";  in create_dirty_log()
970 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
974 	dl = dm_dirty_log_create(argv[0], ti, mirror_flush, param_count,  in create_dirty_log()
977 		ti->error = "Error creating mirror dirty log";  in create_dirty_log()
988 	struct dm_target *ti = ms->ti;  in parse_features()  local
997 		ti->error = "Invalid number of features";  in parse_features()
1006 		ti->error = "Not enough arguments to support feature count";  in parse_features()
1013 		ti->error = "Unrecognised feature requested";  in parse_features()
1034 static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in mirror_ctr()  argument
1042 	dl = create_dirty_log(ti, argc, argv, &args_used);  in mirror_ctr()
1051 		ti->error = "Invalid number of mirrors";  in mirror_ctr()
1059 		ti->error = "Too few mirror arguments";  in mirror_ctr()
1064 	ms = alloc_context(nr_mirrors, dl->type->get_region_size(dl), ti, dl);  in mirror_ctr()
1072 		r = get_mirror(ms, ti, m, argv);  in mirror_ctr()
1074 			free_context(ms, ti, m);  in mirror_ctr()
1081 	ti->private = ms;  in mirror_ctr()
1083 	r = dm_set_target_max_io_len(ti, dm_rh_get_region_size(ms->rh));  in mirror_ctr()
1087 	ti->num_flush_bios = 1;  in mirror_ctr()
1088 	ti->num_discard_bios = 1;  in mirror_ctr()
1089 	ti->per_bio_data_size = sizeof(struct dm_raid1_bio_record);  in mirror_ctr()
1090 	ti->discard_zeroes_data_unsupported = true;  in mirror_ctr()
1120 		ti->error = "Too many mirror arguments";  in mirror_ctr()
1137 	free_context(ms, ti, ms->nr_mirrors);  in mirror_ctr()
1141 static void mirror_dtr(struct dm_target *ti)  in mirror_dtr()  argument
1143 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_dtr()
1150 	free_context(ms, ti, ms->nr_mirrors);  in mirror_dtr()
1156 static int mirror_map(struct dm_target *ti, struct bio *bio)  in mirror_map()  argument
1160 	struct mirror_set *ms = ti->private;  in mirror_map()
1205 static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error)  in mirror_end_io()  argument
1208 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_end_io()
1271 static void mirror_presuspend(struct dm_target *ti)  in mirror_presuspend()  argument
1273 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_presuspend()
1317 static void mirror_postsuspend(struct dm_target *ti)  in mirror_postsuspend()  argument
1319 	struct mirror_set *ms = ti->private;  in mirror_postsuspend()
1327 static void mirror_resume(struct dm_target *ti)  in mirror_resume()  argument
1329 	struct mirror_set *ms = ti->private;  in mirror_resume()
1364 static void mirror_status(struct dm_target *ti, status_type_t type,  in mirror_status()  argument
1368 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_status()
1402 static int mirror_iterate_devices(struct dm_target *ti,  in mirror_iterate_devices()  argument
1405 	struct mirror_set *ms = ti->private;  in mirror_iterate_devices()
1410 		ret = fn(ti, ms->mirror[i].dev,  in mirror_iterate_devices()
1411 			 ms->mirror[i].offset, ti->len, data);  in mirror_iterate_devices()