descriptor_loc    718 fs/ext2/super.c static unsigned long descriptor_loc(struct super_block *sb,
descriptor_loc   1489 fs/ext3/super.c static ext3_fsblk_t descriptor_loc(struct super_block *sb,
descriptor_loc   1875 fs/ext4/super.c static ext4_fsblk_t descriptor_loc(struct super_block *sb,