hpfs: don't bother with the i_version counter or f_version

HPFS does not set SB_I_VERSION and does not use the i_version counter
internally.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Reviewed-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/hpfs/dir.c

@@ -150,7 +150,6 @@ static int hpfs_readdir(struct file *file, struct dir_context *ctx)
 			if (unlikely(ret < 0))
 				goto out;
 			ctx->pos = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, hpfs_inode->i_dno) << 4) + 1;
-			file->f_version = inode->i_version;
 		}
 		next_pos = ctx->pos;
 		if (!(de = map_pos_dirent(inode, &next_pos, &qbh))) {

fs/hpfs/dnode.c

@@ -419,7 +419,6 @@ int hpfs_add_dirent(struct inode *i,
 		c = 1;
 		goto ret;
 	}	
-	i->i_version++;
 	c = hpfs_add_to_dnode(i, dno, name, namelen, new_de, 0);
 	ret:
 	return c;
@@ -726,7 +725,6 @@ int hpfs_remove_dirent(struct inode *i, dnode_secno dno, struct hpfs_dirent *de,
 			return 2;
 		}
 	}
-	i->i_version++;
 	for_all_poss(i, hpfs_pos_del, (t = get_pos(dnode, de)) + 1, 1);
 	hpfs_delete_de(i->i_sb, dnode, de);
 	hpfs_mark_4buffers_dirty(qbh);

fs/hpfs/super.c

@@ -235,7 +235,6 @@ static struct inode *hpfs_alloc_inode(struct super_block *sb)
 	ei = kmem_cache_alloc(hpfs_inode_cachep, GFP_NOFS);
 	if (!ei)
 		return NULL;
-	ei->vfs_inode.i_version = 1;
 	return &ei->vfs_inode;
 }