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    SubjectRe: [PATCH] deadlock with suspend and quotas
    > >> The following patch fixes the deadlock. When the quota subsystem takes s_umount,
    > >> it checks if the filesystem is frozen. If it is, we drop s_umount, wait for
    > >> the filesystem to resume and retry.
    > >  Thanks for the patch. I'm aware of the deadlock and Val Henson is working
    > > on resolving these types of deadlocks more systematically. But since I
    > > haven't heard from her for a while, I guess I'll merge your fix and she'll
    > > update her series to reflect your change since those patches are going to
    > > go in at earliest in the next merge window.
    > >  To sum up: I've merged your patch.
    >
    > FYI, I no longer have time to consult in addition to my full-time job.
    > Canonical is taking over this patch set.
    >
    > -VAL

    Hi

    Where can I get that patch set?

    We are experiencing other similar deadlocks on RHEL-6, caused by sync or
    background writeback (these code paths take s_umount and wait trying to do
    I/O), but I wasn't able to reproduce these deadlocks on upstream kernel?
    Are there other known deadlock possibilities?

    Mikulas
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