39 	if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {  in ext2fs_group_desc_csum()
51 		crc = ext2fs_crc16(~0, fs->super->s_uuid,  in ext2fs_group_desc_csum()
52 				   sizeof(fs->super->s_uuid));  in ext2fs_group_desc_csum()
58 		if (offset < fs->super->s_desc_size) {  in ext2fs_group_desc_csum()
60 				    fs->super->s_desc_size - offset);  in ext2fs_group_desc_csum()
69 	if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,  in ext2fs_group_desc_csum_verify()
80 	if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,  in ext2fs_group_desc_csum_set()
105 	struct ext2_super_block *sb = fs->super;  in ext2fs_set_gdt_csum()
113 	if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super,  in ext2fs_set_gdt_csum()
153 	struct ext2_super_block *sb = fs->super;  in print_csum()
167 	crc1 = ext2fs_crc16(~0, sb->s_uuid, sizeof(fs->super->s_uuid));  in print_csum()
197 	memcpy(fs->super->s_uuid, sb_uuid, 16);  in main()
198 	fs->super->s_feature_ro_compat = EXT4_FEATURE_RO_COMPAT_GDT_CSUM;  in main()
240 	memset(fs->super->s_uuid, 0x30, sizeof(fs->super->s_uuid));  in main()