--- linux/fs/minix/inode.c	2018/04/24 18:06:05	1.1.1.2
+++ linux/fs/minix/inode.c	2018/04/24 18:08:54	1.1.1.4
@@ -4,17 +4,24 @@
  *  (C) 1991  Linus Torvalds
  */
 
-#include <string.h>
-#include <sys/stat.h>
-
+#include <linux/string.h>
+#include <linux/stat.h>
 #include <linux/sched.h>
 #include <linux/minix_fs.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <asm/system.h>
+#include <asm/segment.h>
 
 int sync_dev(int dev);
 
+void minix_put_inode(struct inode *inode)
+{
+	inode->i_size = 0;
+	minix_truncate(inode);
+	minix_free_inode(inode);
+}
+
 void minix_put_super(struct super_block *sb)
 {
 	int i;
@@ -31,12 +38,16 @@ void minix_put_super(struct super_block
 
 static struct super_operations minix_sops = { 
 	minix_read_inode,
-	minix_put_super
+	minix_write_inode,
+	minix_put_inode,
+	minix_put_super,
+	minix_statfs
 };
 
 struct super_block *minix_read_super(struct super_block *s,void *data)
 {
 	struct buffer_head *bh;
+	struct minix_super_block *ms;
 	int i,dev=s->s_dev,block;
 
 	lock_super(s);
@@ -46,8 +57,15 @@ struct super_block *minix_read_super(str
 		printk("bread failed\n");
 		return NULL;
 	}
-	*((struct minix_super_block *) s) =
-		*((struct minix_super_block *) bh->b_data);
+	ms = (struct minix_super_block *) bh->b_data;
+	s->s_ninodes = ms->s_ninodes;
+	s->s_nzones = ms->s_nzones;
+	s->s_imap_blocks = ms->s_imap_blocks;
+	s->s_zmap_blocks = ms->s_zmap_blocks;
+	s->s_firstdatazone = ms->s_firstdatazone;
+	s->s_log_zone_size = ms->s_log_zone_size;
+	s->s_max_size = ms->s_max_size;
+	s->s_magic = ms->s_magic;
 	brelse(bh);
 	if (s->s_magic != MINIX_SUPER_MAGIC) {
 		s->s_dev = 0;
@@ -94,6 +112,21 @@ struct super_block *minix_read_super(str
 	return s;
 }
 
+void minix_statfs (struct super_block *sb, struct statfs *buf)
+{
+	long tmp;
+
+	put_fs_long(MINIX_SUPER_MAGIC, &buf->f_type);
+	put_fs_long(1024, &buf->f_bsize);
+	put_fs_long(sb->s_nzones << sb->s_log_zone_size, &buf->f_blocks);
+	tmp = minix_count_free_blocks(sb);
+	put_fs_long(tmp, &buf->f_bfree);
+	put_fs_long(tmp, &buf->f_bavail);
+	put_fs_long(sb->s_ninodes, &buf->f_files);
+	put_fs_long(minix_count_free_inodes(sb), &buf->f_ffree);
+	/* Don't know what value to put in buf->f_fsid */
+}
+
 static int _minix_bmap(struct inode * inode,int block,int create)
 {
 	struct buffer_head * bh;
@@ -199,7 +232,17 @@ void minix_read_inode(struct inode * ino
 	else for (block = 0; block < 9; block++)
 		inode->i_data[block] = raw_inode->i_zone[block];
 	brelse(bh);
-	inode->i_op = &minix_inode_operations;
+	inode->i_op = NULL;
+	if (S_ISREG(inode->i_mode))
+		inode->i_op = &minix_file_inode_operations;
+	else if (S_ISDIR(inode->i_mode))
+		inode->i_op = &minix_dir_inode_operations;
+	else if (S_ISLNK(inode->i_mode))
+		inode->i_op = &minix_symlink_inode_operations;
+	else if (S_ISCHR(inode->i_mode))
+		inode->i_op = &minix_chrdev_inode_operations;
+	else if (S_ISBLK(inode->i_mode))
+		inode->i_op = &minix_blkdev_inode_operations;
 }
 
 void minix_write_inode(struct inode * inode)