__format_metadata  527 drivers/md/dm-cache-metadata.c 		return format_device ? __format_metadata(cmd) : -EPERM;
__format_metadata  439 drivers/md/dm-clone-metadata.c 		return may_format_device ? __format_metadata(cmd) : -EPERM;
__format_metadata  729 drivers/md/dm-thin-metadata.c 		return format_device ? __format_metadata(pmd) : -EPERM;