109 	struct rw_semaphore root_lock;  member
690 	init_rwsem(&cmd->root_lock);  in metadata_open()
857 	down_write(&cmd->root_lock);  in dm_cache_resize()
883 	up_write(&cmd->root_lock);  in dm_cache_resize()
894 	down_write(&cmd->root_lock);  in dm_cache_discard_bitset_resize()
906 	up_write(&cmd->root_lock);  in dm_cache_discard_bitset_resize()
949 	down_write(&cmd->root_lock);  in dm_cache_set_discard()
951 	up_write(&cmd->root_lock);  in dm_cache_set_discard()
986 	down_read(&cmd->root_lock);  in dm_cache_load_discards()
988 	up_read(&cmd->root_lock);  in dm_cache_load_discards()
997 	down_read(&cmd->root_lock);  in dm_cache_size()
999 	up_read(&cmd->root_lock);  in dm_cache_size()
1023 	down_write(&cmd->root_lock);  in dm_cache_remove_mapping()
1025 	up_write(&cmd->root_lock);  in dm_cache_remove_mapping()
1051 	down_write(&cmd->root_lock);  in dm_cache_insert_mapping()
1053 	up_write(&cmd->root_lock);  in dm_cache_insert_mapping()
1159 	down_read(&cmd->root_lock);  in dm_cache_load_mappings()
1161 	up_read(&cmd->root_lock);  in dm_cache_load_mappings()
1186 	down_read(&cmd->root_lock);  in dm_cache_dump()
1188 	up_read(&cmd->root_lock);  in dm_cache_dump()
1195 	down_read(&cmd->root_lock);  in dm_cache_changed_this_transaction()
1197 	up_read(&cmd->root_lock);  in dm_cache_changed_this_transaction()
1237 	down_write(&cmd->root_lock);  in dm_cache_set_dirty()
1239 	up_write(&cmd->root_lock);  in dm_cache_set_dirty()
1247 	down_read(&cmd->root_lock);  in dm_cache_metadata_get_stats()
1249 	up_read(&cmd->root_lock);  in dm_cache_metadata_get_stats()
1255 	down_write(&cmd->root_lock);  in dm_cache_metadata_set_stats()
1257 	up_write(&cmd->root_lock);  in dm_cache_metadata_set_stats()
1266 	down_write(&cmd->root_lock);  in dm_cache_commit()
1274 	up_write(&cmd->root_lock);  in dm_cache_commit()
1283 	down_read(&cmd->root_lock);  in dm_cache_get_free_metadata_block_count()
1285 	up_read(&cmd->root_lock);  in dm_cache_get_free_metadata_block_count()
1295 	down_read(&cmd->root_lock);  in dm_cache_get_metadata_dev_size()
1297 	up_read(&cmd->root_lock);  in dm_cache_get_metadata_dev_size()
1379 	down_write(&cmd->root_lock);  in dm_cache_write_hints()
1381 	up_write(&cmd->root_lock);  in dm_cache_write_hints()