From 5753553213df8f9de851adb68377db43faecb91f Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Tue, 11 Jun 2019 09:57:14 -0400
Subject: separate source into kernel/ user/ mkfs/
---
fs.h | 60 ------------------------------------------------------------
1 file changed, 60 deletions(-)
delete mode 100644 fs.h
(limited to 'fs.h')
diff --git a/fs.h b/fs.h
deleted file mode 100644
index bc0805f..0000000
--- a/fs.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// On-disk file system format.
-// Both the kernel and user programs use this header file.
-
-
-#define ROOTINO 1 // root i-number
-#define BSIZE 1024 // block size
-
-// Disk layout:
-// [ boot block | super block | log | inode blocks |
-// free bit map | data blocks]
-//
-// mkfs computes the super block and builds an initial file system. The
-// super block describes the disk layout:
-struct superblock {
- uint magic; // Must be FSMAGIC
- uint size; // Size of file system image (blocks)
- uint nblocks; // Number of data blocks
- uint ninodes; // Number of inodes.
- uint nlog; // Number of log blocks
- uint logstart; // Block number of first log block
- uint inodestart; // Block number of first inode block
- uint bmapstart; // Block number of first free map block
-};
-
-#define FSMAGIC 0x10203040
-
-#define NDIRECT 12
-#define NINDIRECT (BSIZE / sizeof(uint))
-#define MAXFILE (NDIRECT + NINDIRECT)
-
-// On-disk inode structure
-struct dinode {
- short type; // File type
- short major; // Major device number (T_DEV only)
- short minor; // Minor device number (T_DEV only)
- short nlink; // Number of links to inode in file system
- uint size; // Size of file (bytes)
- uint addrs[NDIRECT+1]; // Data block addresses
-};
-
-// Inodes per block.
-#define IPB (BSIZE / sizeof(struct dinode))
-
-// Block containing inode i
-#define IBLOCK(i, sb) ((i) / IPB + sb.inodestart)
-
-// Bitmap bits per block
-#define BPB (BSIZE*8)
-
-// Block of free map containing bit for block b
-#define BBLOCK(b, sb) ((b)/BPB + sb.bmapstart)
-
-// Directory is a file containing a sequence of dirent structures.
-#define DIRSIZ 14
-
-struct dirent {
- ushort inum;
- char name[DIRSIZ];
-};
-
--
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