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SubjectRe: [PATCH v4 0/2] nfs/sunrpc: allow freezing of tasks with NFS calls in flight
On Wed, Nov 30, 2011 at 08:43:13PM +0100, Rafael J. Wysocki wrote:
> On Tuesday, November 29, 2011, Jeff Layton wrote:
> > This patchset is the fourth attempt at fixing the issues with suspending
> > a machine that has an active NFS mount.
> >
> > The bug reported against Fedora is here:
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=717735
> >
> > The main difference from v3 is that I've fixed a stupid set of errors in
> > freezable_schedule_timeout_killable. The if condition was reversed from
> > what it should have been, and the code did not call freezer_count()
> > again when it was going to return early.
> >
> > Tejun has mentioned that the extra try_to_freeze() calls are unnecessary
> > on top of the pm-freezer changes, but this set should work on as
> > expected on top of 3.2-ish kernels. In the meantime, I'll look over the
> > pm-freezer changes and see whether I need to make changes in this set
> > for 3.3.
> >
> > Jeff Layton (2):
> > sunrpc: make rpc_wait_bit_killable handle freeze events
> > nfs: make TASK_KILLABLE sleeps attempt to freeze
>
> Both patches applied to linux-pm/linux-next. I'll move them to
> linux-pm/pm-freezer in a couple of days if there are no problems with
> them.

Rafael, I think the extra try_to_freeze() is actually incorrect on top
of pm-freezer. Jeff, can you please remove that?

Thanks.

--
tejun


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