fat32_root_cluster 57 fs/fat/inode.c u32 fat32_root_cluster; fat32_root_cluster 1476 fs/fat/inode.c bpb->fat32_root_cluster = le32_to_cpu(b->fat32.root_cluster); fat32_root_cluster 1724 fs/fat/inode.c sbi->root_cluster = bpb.fat32_root_cluster;