On Tue, Jul 25, 2017 at 03:46:04PM +0200, Pavel Machek wrote: > > Is there some field in ext2 superblock that changes every time > filesystem is changed? Is mtime changed by fsck/badblocks/...?
No, there isn't. If we were writing the superblock every time the
file system is changed it would be ***extremely*** flash unfriendly.
It would also be a scalability bottleneck, it would cause us to pay an
extra HDD seek, etc. So it's a really bad Bad BAD idea, and so we
don't do it.
Cheers,
- Ted
