Re: [PATCH 09/17] scsi_dh_alua: switch to scsi_execute()

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On Mon, May 04, 2015 at 02:42:15PM +0200, Hannes Reinecke wrote:
> All commands are issued synchronously, so no need to open-code
> scsi_execute anymore.

Currently the alua codes doesn't set REQ_PREEMPT, and uses a GFP_NOIO
allocation.  Please document why changing these is safe/and or desirable.

Also it would be good to a change like this to the other device handlers,
as the code is copy and pasted everywhere, and only hp_sw has an asynchronous
case that can be handled separately.
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