On Thu, Sep 20, 2012 at 02:33:43PM +0800, Tao Ma wrote: > From: Tao Ma <boyu.mt@xxxxxxxxxx> > > update_backups is used to backup all the metadata blocks, so we should > not take it for granted that 'data' is pointed to a super block and use > ext4_superblock_csum_set to calculate the checksum there. In case > the data is a group descriptor block, it will corrupt the last group > descriptor. And e2fsck will complain it. > > As all the metadata checksum should already be OK when we do the backup, > remove the wrong ext4_superblock_csum_set and it should be just fine. > > Reported-by: "Theodore Ts'o" <tytso@xxxxxxx> > Signed-off-by: Tao Ma <boyu.mt@xxxxxxxxxx> Applied. Thanks for finding the fix!! - Ted -- 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
