add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/fat/cache.c
..
..
@@ -363,7 +363,7 @@
363
363
 
364
364
 	*phys = 0;
365
365
 	*mapped_blocks = 0;
366
-	if ((sbi->fat_bits != 32) && (inode->i_ino == MSDOS_ROOT_INO)) {
366
+	if (!is_fat32(sbi) && (inode->i_ino == MSDOS_ROOT_INO)) {
367
367
 		if (sector < (sbi->dir_entries >> sbi->dir_per_block_bits)) {
368
368
 			*phys = sector + sbi->dir_start;
369
369
 			*mapped_blocks = 1;