patch-2.1.45 linux/fs/minix/inode.c

• Lines: 135
• Date: Wed Jul 16 08:07:44 1997
• Orig file: v2.1.44/linux/fs/minix/inode.c
• Orig date: Mon Jun 16 16:35:57 1997

diff -u --recursive --new-file v2.1.44/linux/fs/minix/inode.c linux/fs/minix/inode.c
@@ -125,15 +125,13 @@
  * it really _is_ a minix filesystem, and to check the size
  * of the directory entry.
  */
-static const char * minix_checkroot(struct super_block *s)
+static const char * minix_checkroot(struct super_block *s, struct inode *dir)
 {
-	struct inode * dir;
 	struct buffer_head *bh;
 	struct minix_dir_entry *de;
 	const char * errmsg;
 	int dirsize;
 
-	dir = s->s_mounted;
 	if (!S_ISDIR(dir->i_mode))
 		return "root directory is not a directory";
 
@@ -172,7 +170,8 @@
 	int i, block;
 	kdev_t dev = s->s_dev;
 	const char * errmsg;
-
+	struct inode *root_inode;
+	
 	if (32 != sizeof (struct minix_inode))
 		panic("bad V1 i-node size");
 	if (64 != sizeof(struct minix2_inode))
@@ -272,8 +271,9 @@
 	/* set up enough so that it can read an inode */
 	s->s_dev = dev;
 	s->s_op = &minix_sops;
-	s->s_mounted = iget(s,MINIX_ROOT_INO);
-	if (!s->s_mounted) {
+	root_inode = iget(s,MINIX_ROOT_INO);
+	s->s_root = d_alloc_root(root_inode, NULL);
+	if (!s->s_root) {
 		s->s_dev = 0;
 		brelse(bh);
 		if (!silent)
@@ -282,11 +282,11 @@
 		return NULL;
 	}
 
-	errmsg = minix_checkroot(s);
+	errmsg = minix_checkroot(s, root_inode);
 	if (errmsg) {
 		if (!silent)
 			printk("MINIX-fs: %s\n", errmsg);
-		iput (s->s_mounted);
+		d_delete(s->s_root); /* XXX Is this enough? */
 		s->s_dev = 0;
 		brelse (bh);
 		MOD_DEC_USE_COUNT;
@@ -307,7 +307,7 @@
 	return s;
 }
 
-void minix_statfs(struct super_block *sb, struct statfs *buf, int bufsiz)
+int minix_statfs(struct super_block *sb, struct statfs *buf, int bufsiz)
 {
 	struct statfs tmp;
 
@@ -319,7 +319,7 @@
 	tmp.f_files = sb->u.minix_sb.s_ninodes;
 	tmp.f_ffree = minix_count_free_inodes(sb);
 	tmp.f_namelen = sb->u.minix_sb.s_namelen;
-	copy_to_user(buf, &tmp, bufsiz);
+	return copy_to_user(buf, &tmp, bufsiz) ? -EFAULT : 0;
 }
 
 /*
@@ -472,7 +472,7 @@
 	}
 	*p = tmp;
 	inode->i_ctime = CURRENT_TIME;
-	inode->i_dirt = 1;
+	mark_inode_dirty(inode);
 	return result;
 }
 
@@ -585,7 +585,7 @@
 	}
 	*p = tmp;
 	inode->i_ctime = CURRENT_TIME;
-	inode->i_dirt = 1;
+	mark_inode_dirty(inode);
 	return result;
 }
 
@@ -833,14 +833,12 @@
 		printk("Bad inode number on dev %s"
 		       ": %d is out of range\n",
 			kdevname(inode->i_dev), ino);
-		inode->i_dirt = 0;
 		return 0;
 	}
 	block = 2 + inode->i_sb->u.minix_sb.s_imap_blocks + inode->i_sb->u.minix_sb.s_zmap_blocks +
 		(ino-1)/MINIX_INODES_PER_BLOCK;
 	if (!(bh=bread(inode->i_dev, block, BLOCK_SIZE))) {
 		printk("unable to read i-node block\n");
-		inode->i_dirt = 0;
 		return 0;
 	}
 	raw_inode = ((struct minix_inode *)bh->b_data) +
@@ -855,7 +853,6 @@
 		raw_inode->i_zone[0] = kdev_t_to_nr(inode->i_rdev);
 	else for (block = 0; block < 9; block++)
 		raw_inode->i_zone[block] = inode->u.minix_i.u.i1_data[block];
-	inode->i_dirt=0;
 	mark_buffer_dirty(bh, 1);
 	return bh;
 }
@@ -874,14 +871,12 @@
 		printk("Bad inode number on dev %s"
 		       ": %d is out of range\n",
 			kdevname(inode->i_dev), ino);
-		inode->i_dirt = 0;
 		return 0;
 	}
 	block = 2 + inode->i_sb->u.minix_sb.s_imap_blocks + inode->i_sb->u.minix_sb.s_zmap_blocks +
 		(ino-1)/MINIX2_INODES_PER_BLOCK;
 	if (!(bh=bread(inode->i_dev, block, BLOCK_SIZE))) {
 		printk("unable to read i-node block\n");
-		inode->i_dirt = 0;
 		return 0;
 	}
 	raw_inode = ((struct minix2_inode *)bh->b_data) +
@@ -898,7 +893,6 @@
 		raw_inode->i_zone[0] = kdev_t_to_nr(inode->i_rdev);
 	else for (block = 0; block < 10; block++)
 		raw_inode->i_zone[block] = inode->u.minix_i.u.i2_data[block];
-	inode->i_dirt=0;
 	mark_buffer_dirty(bh, 1);
 	return bh;
 }