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SubjectRe: [PATCH] Freeze bdevs when freezing processes.
On Tue, Oct 24, 2006 at 04:20:31PM +0000, Oleg Verych wrote:
> > Do you mean calling sys_sync() after the userspace has been frozen
> > may not be sufficient?
>
> Please see
> <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=317479;msg=105;att=0>
>
> it's bottom of
> <http://bugs.debian.org/317479>
>
> IMHO it's may be helpful.

It's not. It'sa step in the wrong direction. The only way to guarantee
a filesystem (not just xfs, _any_ filesystem - xfs is just most sensitive)
is to call the write_super_lockfs method.

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