le mar 23-04-2002 à 16:45, Alexander Viro a écrit :
> You _can't_ get consistent snapshots without cooperation from fs. LVM,
> EVMS, whatever. Only filesystem knows what IO needs to be pushed to
> make what we have on device consistent and what IO needs to be held
> back. Neither VFS nor device driver do not and can not have such
> knowledge - it depends both on fs layout and on implementation details.
I always thought that with a journalled fs, data was always consistent
on disk - i.e. always in a state where remounting the image (and
replaying the journal) makes it consistent.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Apr 23 2002 - 22:00:35 EST