[PATCH 1/2] scsi: Move scsi_cmd->jiffies_at_alloc initialization to allocation time

[hch at lst.de]

On Mon, Aug 21, 2017 at 05:13:20PM -0500, Brian King wrote:
> Move the initialization of scsi_cmd->jiffies_at_alloc to allocation
> time rather than prep time. Also ensure that jiffies_at_alloc
> is preserved when we go through prep. This lets us send retries
> through prep again and not break the overall retry timer logic
> in scsi_softirq_done.
> 
> Suggested-by: Bart Van Assche <Bart.VanAssche at wdc.com>
> Signed-off-by: Brian King <brking at linux.vnet.ibm.com>

As far as I can tell this will never set jiffies_at_alloc for the
blk-mq path.