On Thu, 25 Sep 2014 at 09:08, Andreas Dilger wrote: > It looks like your filesystem is formatted with 128-byte inodes > (i.e. ext3) instead of 256-byte inodes (i.e. ext4). The i_crtime is stored > in this extended space of the inode. You could verify this with Bingo! Thanks, that was the problem. I used a small (less than 512MB) test filesystem and inode size was indeed 128 byte. When I ran mkfs.ext4 on a 512 MB (and larger) device, 256 byte inodes were created and then crtime was indeed visible with debugfs. Or I could have used -I to force larger inodes. Thanks for the hint! Christian. > dumpe2fs -h /dev/loop0 > > and look for the "Inode size" field. > > This is a format time option. What is strange is that you have specified mkfs.ext4, so > this should be selected automatically. It may be that with very small > devices (e.g. floppy size) it defaults to 128-byte inodes. -- BOFH excuse #124: user to computer ration too low. -- 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
