Tao Ma wrote: >> What are you using to call fiemap? Here it seems to be working: > I just wrote a simple test program by calling ioctl. It is attached. > btw, you need to call it immediately after dd so that we have a chance > that ext4 don't have time to allocate extents. ;) OK I take it back, I do see it. *cough* too many different filesystems on this box ... ;) Yes, it does look like a bug. -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html