On Fri, Jun 11, 2010 at 11:46 AM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: > 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 I'm not clear how this is supposed to work. Is this just a userspace bug in that FIEMAP_FLAG_SYNC is needed in the fiemap call, or is there a kernel bug as well? If fiemap is called with the FIEMAP_FLAG_SYNC flag is there currently a problem? Thanks Greg -- 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