Re: [PATCH] 3/5: Device-mapper: snapshots

[Andi Kleen]

Alasdair G Kergon <agk@xxxxxxxxxx> writes:
> +
> +/*-----------------------------------------------------------------
> + * Persistent snapshots, by persistent we mean that the snapshot
> + * will survive a reboot.
> + *---------------------------------------------------------------*/

Is this target supposed to be crash safe? What happens when
the computer crashes while writing to such a volume?

I suppose it would need barriers for that at least, which it doesn't
seem to use.

-Andi

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