# fsck.ext4 /dev/sde1
e2fsck 1.41.12 (17-May-2010)
fsck.ext4: Group descriptors look bad... trying backup blocks...
fsck.ext4: Bad magic number in super-block when using the backup blocks
fsck.ext4: going back to original superblock
fsck.ext4: Device or resource busy while trying to open /dev/sde1
Filesystem mounted or opened exclusively by another program?
What you are reporting is something else. Can you tell me what the older version of e2fsck said that it fixed?
So what has been specifically fixed is this case:
# fsck.ext4 /dev/sde1
e2fsck 1.41.12 (17-May-2010)
fsck.ext4: Group descriptors look bad... trying backup blocks...
fsck.ext4: Bad magic number in super-block when using the backup blocks
fsck.ext4: going back to original superblock
fsck.ext4: Device or resource busy while trying to open /dev/sde1
Filesystem mounted or opened exclusively by another program?
What you are reporting is something else. Can you tell me what the older version of e2fsck said that it fixed?