--- linux/fs/minix/inode.c	2018/04/24 18:07:15	1.1.1.3
+++ linux/fs/minix/inode.c	2018/04/24 18:10:46	1.1.1.5
@@ -5,13 +5,13 @@
  */
 
 #include <linux/string.h>
-#include <sys/stat.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);
 
@@ -40,12 +40,15 @@ static struct super_operations minix_sop
 	minix_read_inode,
 	minix_write_inode,
 	minix_put_inode,
-	minix_put_super
+	minix_put_super,
+	NULL,
+	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);
@@ -55,8 +58,15 @@ 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;
@@ -103,6 +113,21 @@ 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;
@@ -219,6 +244,13 @@ void minix_read_inode(struct inode * ino
 		inode->i_op = &minix_chrdev_inode_operations;
 	else if (S_ISBLK(inode->i_mode))
 		inode->i_op = &minix_blkdev_inode_operations;
+	else if (S_ISFIFO(inode->i_mode)) {
+		inode->i_op = &minix_fifo_inode_operations;
+		inode->i_size = 0;
+		inode->i_pipe = 1;
+		PIPE_HEAD(*inode) = PIPE_TAIL(*inode) = 0;
+		PIPE_READERS(*inode) = PIPE_WRITERS(*inode) = 0;
+	}
 }
 
 void minix_write_inode(struct inode * inode)