On Thu, 01 Mar 2007 13:14:32 -0800
Jeremy Fitzhardinge [off-list ref] wrote:

Amit K. Arora wrote:

quoted

+	if (inode->i_op && inode->i_op->fallocate)
+		ret = inode->i_op->fallocate(inode, offset, len);
+	else
+		ret = -ENOTTY;

You can only allocate space on typewriters? ;)

A lot of people get confused about -ENOTTY, but it is the return for
attempting to use an ioctl on the wrong type of object, so this appears
to be quite correct.