part_fail_show   1197 block/genhd.c  	__ATTR(make-it-fail, 0644, part_fail_show, part_fail_store);
part_fail_show    193 block/partition-generic.c 	__ATTR(make-it-fail, 0644, part_fail_show, part_fail_store);
part_fail_show    654 include/linux/genhd.h extern ssize_t part_fail_show(struct device *dev,