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_sector);  in map_sector()
478 		if (dm_noflush_suspending(ms->ti))  in hold_bio()
817 	dm_table_event(ms->ti->table);  in trigger_event()
851 					struct dm_target *ti,  in alloc_context()  argument
861 		ti->error = "Cannot allocate mirror context";  in alloc_context()
871 	ms->ti = ti;  in alloc_context()
873 	ms->nr_regions = dm_sector_div_up(ti->len, region_size);  in alloc_context()
882 		ti->error = "Error creating dm_io client";  in alloc_context()
889 				       ms->ti->begin, MAX_RECOVERY,  in alloc_context()
892 		ti->error = "Error creating dirty region hash";  in alloc_context()
901 static void free_context(struct mirror_set *ms, struct dm_target *ti,  in free_context()  argument
905 		dm_put_device(ti, ms->mirror[m].dev);  in free_context()
912 static int get_mirror(struct mirror_set *ms, struct dm_target *ti,  in get_mirror()  argument
919 		ti->error = "Invalid offset";  in get_mirror()
923 	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),  in get_mirror()
925 		ti->error = "Device lookup failure";  in get_mirror()
940 static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,  in create_dirty_log()  argument
949 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
954 		ti->error = "Invalid mirror log argument count";  in create_dirty_log()
961 		ti->error = "Insufficient mirror log arguments";  in create_dirty_log()
965 	dl = dm_dirty_log_create(argv[0], ti, mirror_flush, param_count,  in create_dirty_log()
968 		ti->error = "Error creating mirror dirty log";  in create_dirty_log()
979 	struct dm_target *ti = ms->ti;  in parse_features()  local
988 		ti->error = "Invalid number of features";  in parse_features()
997 		ti->error = "Not enough arguments to support feature count";  in parse_features()
1004 		ti->error = "Unrecognised feature requested";  in parse_features()
1025 static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in mirror_ctr()  argument
1033 	dl = create_dirty_log(ti, argc, argv, &args_used);  in mirror_ctr()
1042 		ti->error = "Invalid number of mirrors";  in mirror_ctr()
1050 		ti->error = "Too few mirror arguments";  in mirror_ctr()
1055 	ms = alloc_context(nr_mirrors, dl->type->get_region_size(dl), ti, dl);  in mirror_ctr()
1063 		r = get_mirror(ms, ti, m, argv);  in mirror_ctr()
1065 			free_context(ms, ti, m);  in mirror_ctr()
1072 	ti->private = ms;  in mirror_ctr()
1074 	r = dm_set_target_max_io_len(ti, dm_rh_get_region_size(ms->rh));  in mirror_ctr()
1078 	ti->num_flush_bios = 1;  in mirror_ctr()
1079 	ti->num_discard_bios = 1;  in mirror_ctr()
1080 	ti->per_bio_data_size = sizeof(struct dm_raid1_bio_record);  in mirror_ctr()
1081 	ti->discard_zeroes_data_unsupported = true;  in mirror_ctr()
1112 		ti->error = "Too many mirror arguments";  in mirror_ctr()
1129 	free_context(ms, ti, ms->nr_mirrors);  in mirror_ctr()
1133 static void mirror_dtr(struct dm_target *ti)  in mirror_dtr()  argument
1135 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_dtr()
1142 	free_context(ms, ti, ms->nr_mirrors);  in mirror_dtr()
1148 static int mirror_map(struct dm_target *ti, struct bio *bio)  in mirror_map()  argument
1152 	struct mirror_set *ms = ti->private;  in mirror_map()
1197 static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error)  in mirror_end_io()  argument
1200 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_end_io()
1260 static void mirror_presuspend(struct dm_target *ti)  in mirror_presuspend()  argument
1262 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_presuspend()
1306 static void mirror_postsuspend(struct dm_target *ti)  in mirror_postsuspend()  argument
1308 	struct mirror_set *ms = ti->private;  in mirror_postsuspend()
1316 static void mirror_resume(struct dm_target *ti)  in mirror_resume()  argument
1318 	struct mirror_set *ms = ti->private;  in mirror_resume()
1353 static void mirror_status(struct dm_target *ti, status_type_t type,  in mirror_status()  argument
1357 	struct mirror_set *ms = (struct mirror_set *) ti->private;  in mirror_status()
1391 static int mirror_iterate_devices(struct dm_target *ti,  in mirror_iterate_devices()  argument
1394 	struct mirror_set *ms = ti->private;  in mirror_iterate_devices()
1399 		ret = fn(ti, ms->mirror[i].dev,  in mirror_iterate_devices()
1400 			 ms->mirror[i].offset, ti->len, data);  in mirror_iterate_devices()