Fix UserFS, support more blocks.

2024-05-16 10:34:39 +08:00
parent 52387d47a7
commit c6de550e45
6 changed files with 33 additions and 28 deletions
@@ -18,12 +18,13 @@

 // Block size
 #define BLOCK_SIZE 512
+#define NR_BIT_BLOCKS 2

 // bits size
 #define BITS 8

 // Bitmap size of one block
-#define BITMAP_SIZE (BLOCK_SIZE * BITS)
+#define BITMAP_SIZE (BLOCK_SIZE * BITS * NR_BIT_BLOCKS)

 // Inode size of one block
 #define INODE_SIZE (BLOCK_SIZE / sizeof(struct Inode))
@@ -77,6 +77,7 @@ struct SuperBlock {
    uint32_t size; // Number of total blocks of file system image
    uint32_t nblocks; // Number of data blocks
    uint32_t ninodes; // Number of inodes.
+    uint32_t nbitblocks;
 };

 // Inode structure