dm_rh_dec 1249 drivers/md/dm-raid1.c dm_rh_dec(ms->rh, bio_record->write_region); dm_rh_dec 582 drivers/md/dm-region-hash.c EXPORT_SYMBOL_GPL(dm_rh_dec); dm_rh_dec 76 include/linux/dm-region-hash.h void dm_rh_dec(struct dm_region_hash *rh, region_t region);