Re: [PATCH] SMP race in ext2 - metadata corruption.

Andreas Dilger (adilger@turbolinux.com)
Sun, 6 May 2001 13:46:46 -0600 (MDT)

Alan writes:
> > an interesting task when your root lives on /dev/sda1. Ditto for destroying
> > a single partition (not mounted/used by swap/etc.) while you have some
> > other partition in use. IWBNI we had a decent API for handling partition
> > tables...
>
> Partitions are just very crude logical volumes, and ultimiately I believe
> should be handled exactly that way

Actually, the EVMS project does exactly this. All I/O is done on a full
disk basis, and essentially does block remapping for each partition. This
also solves the problem of cache inconsistency if accessing the parent
device vs. accessing the partition.

Cheers, Andreas

-- 
Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert
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