Chris Mason wrote:
>
> --On 10/03/00 21:13:04 +0200 Daniel Phillips
> <[EMAIL PROTECTED]> wrote:
>
> > Chris Mason wrote:
> >> Heinz Mauelshagen and I have come up with an API for LVM to use
> >> for creating consistent snapshots. The idea is to block FS modifications
> >> while the snapshot is being created, and to give the FS the chance to
> >> flush everything (including all pending transactions) to disk before
> >> LVM starts doing copy on write.
> > [...]
> >
> >
> > What is the thinking behind having a sync_super sandwich? I've always
> > wondered about that.
> >
>
> For filesystems that don't have a write_super_lockfs call back, I wanted to
> make fsync_dev_lockfs == fsync_dev.
I was actually asking why there are two calls to sync_supers, one at the
beginning and one at the end. That sounds like one too many to me.
--
Daniel
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