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-rw-r--r--kernel/fs.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/fs.h b/kernel/fs.h
index 139dcc9..9ae5ece 100644
--- a/kernel/fs.h
+++ b/kernel/fs.h
@@ -24,8 +24,10 @@ struct superblock {
#define FSMAGIC 0x10203040
-#define NDIRECT 12
-#define NINDIRECT (BSIZE / sizeof(uint))
+#define NDIRECT 11
+#define NSG_INDIRECT (BSIZE / sizeof(uint))
+#define NDB_INDIRECT (NSG_INDIRECT * NSG_INDIRECT)
+#define NINDIRECT (NSG_INDIRECT + NDB_INDIRECT)
#define MAXFILE (NDIRECT + NINDIRECT)
// On-disk inode structure
@@ -35,7 +37,7 @@ struct dinode {
short minor; // Minor device number (T_DEVICE only)
short nlink; // Number of links to inode in file system
uint size; // Size of file (bytes)
- uint addrs[NDIRECT+1]; // Data block addresses
+ uint addrs[NDIRECT+2]; // Data block addresses
};
// Inodes per block.