102 	struct boot_sector *p_boot = (struct boot_sector *)sbi->boot_bh->b_data;  in exfat_set_vol_flags()  local
119 	p_boot->vol_flags = cpu_to_le16(new_flags);  in exfat_set_vol_flags()
425 	struct boot_sector *p_boot;  in exfat_read_boot_sector()  local
437 	p_boot = (struct boot_sector *)sbi->boot_bh->b_data;  in exfat_read_boot_sector()
440 	if (le16_to_cpu((p_boot->signature)) != BOOT_SIGNATURE) {  in exfat_read_boot_sector()
445 	if (memcmp(p_boot->fs_name, STR_EXFAT, BOOTSEC_FS_NAME_LEN)) {  in exfat_read_boot_sector()
454 	if (memchr_inv(p_boot->must_be_zero, 0, sizeof(p_boot->must_be_zero)))  in exfat_read_boot_sector()
457 	if (p_boot->num_fats != 1 && p_boot->num_fats != 2) {  in exfat_read_boot_sector()
465 	if (p_boot->sect_size_bits < EXFAT_MIN_SECT_SIZE_BITS ||  in exfat_read_boot_sector()
466 	    p_boot->sect_size_bits > EXFAT_MAX_SECT_SIZE_BITS) {  in exfat_read_boot_sector()
468 				p_boot->sect_size_bits);  in exfat_read_boot_sector()
475 	if (p_boot->sect_per_clus_bits > EXFAT_MAX_SECT_PER_CLUS_BITS(p_boot)) {  in exfat_read_boot_sector()
477 				p_boot->sect_per_clus_bits);  in exfat_read_boot_sector()
481 	sbi->sect_per_clus = 1 << p_boot->sect_per_clus_bits;  in exfat_read_boot_sector()
482 	sbi->sect_per_clus_bits = p_boot->sect_per_clus_bits;  in exfat_read_boot_sector()
483 	sbi->cluster_size_bits = p_boot->sect_per_clus_bits +  in exfat_read_boot_sector()
484 		p_boot->sect_size_bits;  in exfat_read_boot_sector()
486 	sbi->num_FAT_sectors = le32_to_cpu(p_boot->fat_length);  in exfat_read_boot_sector()
487 	sbi->FAT1_start_sector = le32_to_cpu(p_boot->fat_offset);  in exfat_read_boot_sector()
488 	sbi->FAT2_start_sector = le32_to_cpu(p_boot->fat_offset);  in exfat_read_boot_sector()
489 	if (p_boot->num_fats == 2)  in exfat_read_boot_sector()
491 	sbi->data_start_sector = le32_to_cpu(p_boot->clu_offset);  in exfat_read_boot_sector()
492 	sbi->num_sectors = le64_to_cpu(p_boot->vol_length);  in exfat_read_boot_sector()
494 	sbi->num_clusters = le32_to_cpu(p_boot->clu_count) +  in exfat_read_boot_sector()
497 	sbi->root_dir = le32_to_cpu(p_boot->root_cluster);  in exfat_read_boot_sector()
501 	sbi->vol_flags = le16_to_cpu(p_boot->vol_flags);  in exfat_read_boot_sector()
507 	if ((u64)sbi->num_FAT_sectors << p_boot->sect_size_bits <  in exfat_read_boot_sector()
515 	    (u64)sbi->num_FAT_sectors * p_boot->num_fats) {  in exfat_read_boot_sector()
530 	if (exfat_calibrate_blocksize(sb, 1 << p_boot->sect_size_bits))  in exfat_read_boot_sector()