On 06/11/2016 04:22 AM, Martin K. Petersen wrote:
"Mike" == Mike Snitzer <snit...@redhat.com> writes:
When checking a cloned request there is no need to check the overall
request size; this won't have changed even when resubmitting to
another queue. Without this patch ppc64le on ibmvfc fails to boot.
Why is the number of sectors in the request bigger than the queue limit?
Because we're checking the wrong limit.
blk_queue_get_max_sectors() is checking limits.max_sectors(), but the
requests are already fully formed and can extend up to
limits.max_hw_sectors().
Cheers,
Hannes
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Dr. Hannes Reinecke zSeries & Storage
h...@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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