hostfs: drop vmtruncate

Removed vmtruncate.
Signed-off-by: NMarco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: NRichard Weinberger <richard@nod.at>

fs/hostfs/hostfs_kern.c

@@ -848,9 +848,11 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 	    attr->ia_size != i_size_read(inode)) {
 		int error;
 
-		error = vmtruncate(inode, attr->ia_size);
-		if (err)
-			return err;
+		error = inode_newsize_ok(inode, attr->ia_size);
+		if (error)
+			return error;
+
+		truncate_setsize(inode, attr->ia_size);
 	}
 
 	setattr_copy(inode, attr);