On Thu, 1 Dec 2011 22:52:13 +0100
"Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
> On Thursday, December 01, 2011, Jeff Layton wrote:
> > Allow the freezer to skip wait_on_bit_killable sleeps in the sunrpc
> > layer. This should allow suspend and hibernate events to proceed, even
> > when there are RPC's pending on the wire.
> >
> > Also, wrap the TASK_KILLABLE sleeps in NFS layer in freezer_do_not_count
> > and freezer_count calls. This allows the freezer to skip tasks that are
> > sleeping while looping on EJUKEBOX or NFS4ERR_DELAY sorts of errors.
> >
> > Rafael, I've gone ahead and combined the two patches into one here
> > and rebased this on top of the pm-freezer branch. Let me know if you'd
> > prefer to keep it as two patches.
>
> One patch is just fine for me, applied to linux-pm/linux-next.
>
> Thanks,
> Rafael
>
>
-------------------[snip]----------------
> > +
> > +/* Like schedule_timeout_killable(), but should not block the freezer. */
> > +#define freezable_schedule_timeout_killable(timeout) \
> > +({ \
> > + freezer_do_not_count(); \
> > + schedule_timeout_killable(timeout); \
> > + freezer_count(); \
> > +})
> > +
Whoops...I just noticed a problem with this patch.
freezable_schedule_timeout_killable does not return the return code
from schedule_timeout_killable. Would you prefer for me to respin this
patch, or send a new patch on top of this one that just fixes that bug?
--
Jeff Layton <jlayton@xxxxxxxxxx>
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