Re: [PATCH 10/14] scsi: only maintain target_blocked if the driver has a target queue limit

From: Martin K. Petersen
Date: Fri Jul 25 2014 - 15:11:59 EST

>>>>> "Christoph" == Christoph Hellwig <hch@xxxxxx> writes:

Christoph> This saves us an atomic operation for each I/O submission and
Christoph> completion for the usual case where the driver doesn't set a
Christoph> per-target can_queue value. Only a few iscsi hardware
Christoph> offload drivers set the per-target can_queue value at the
Christoph> moment.

Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

Martin K. Petersen Oracle Linux Engineering
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