Malahal,
This patch should go through the scsi tree. Please update the patch (so
it includes the patch header) and repost to linux-scsi.
Thanks,
Mike
On Sun, Aug 29 2010 at 4:31pm -0400,
Malahal Naineni <malahal@xxxxxxxxxx> wrote:
> Here is the missing header:
>
> no_cluster is used by device mapper (may be others) resulting in
> multipath devices setting QUEUE_FLAG_CLUSTER flag even though the
> underlying devices (e.g. open iscsi virtual adapter) don't support it.
>
> Signed-off-by: Malahal Naineni (malahal@xxxxxxxxxx)
>
> Malahal Naineni [malahal@xxxxxxxxxx] wrote:
> > diff -r 8305d08f6ecf -r 5e7598cf7714 drivers/scsi/scsi_lib.c
> > --- a/drivers/scsi/scsi_lib.c Wed Aug 25 13:44:33 2010 -0700
> > +++ b/drivers/scsi/scsi_lib.c Wed Aug 25 13:44:33 2010 -0700
> > @@ -1633,8 +1633,10 @@ struct request_queue *__scsi_alloc_queue
> > blk_queue_max_segment_size(q, dma_get_max_seg_size(dev));
> >
> > /* New queue, no concurrency on queue_flags */
> > - if (!shost->use_clustering)
> > + if (!shost->use_clustering) {
> > queue_flag_clear_unlocked(QUEUE_FLAG_CLUSTER, q);
> > + q->limits.no_cluster = 1;
> > + }
> >
> > /*
> > * set a reasonable default alignment on word boundaries: the
> >
> > --
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>
> --
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