Eric Sandeen wrote: > but not yet O_DIRECT, will do. dd if=/dev/zero oflag=direct of=/mnt/test/foobar bs=1024k count=8192 filefrag -v /mnt/test/foobar | grep -i extents File is stored in extents format /mnt/test/foobar: 67 extents found http://people.redhat.com/esandeen/seekwatcher/ext4-dd-write-odirect.png -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