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


On Sun, 6 May 2001, Chris Wedgwood wrote:

> On Sun, May 06, 2001 at 04:50:01AM +0200, Andrea Arcangeli wrote:

> About a kernel based fsck Alexander told me he likes it, I
> personally don't care about it that much because I believe...
>
> As I said, I'm not takling about kernel based fsck, although for
> _VERY_ large filesystems even with journalling I suspect it will be
> required one day (so it can run in the background and do consistency
> checking when the machine is idle).

It's not exactly "kernel-based fsck". What I've been talking about is
secondary filesystem providing coherent access to primary fs metadata.
I.e. mount -t ext2meta -o master=/usr none /mnt and then access through
/mnt/super, /mnt/block_bitmap, etc.

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