exception_block  1479 drivers/md/dm-thin-metadata.c 	dm_block_t exception_block;
exception_block  1483 drivers/md/dm-thin-metadata.c 	unpack_block_time(block_time, &exception_block, &exception_time);
exception_block  1484 drivers/md/dm-thin-metadata.c 	result->block = exception_block;