Re: [PATCH V7 2/6] block: tracking request allocation with q_usage_counter

To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH V7 2/6] block: tracking request allocation with q_usage_counter
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 2 Oct 2017 06:32:19 -0700
Cc: Jens Axboe <axboe@xxxxxx>, linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>, "James E . J . Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>, Bart Van Assche <bart.vanassche@xxxxxxxxxxx>, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>, Johannes Thumshirn <jthumshirn@xxxxxxx>, Cathy Avery <cavery@xxxxxxxxxx>, Martin Steigerwald <martin@xxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Hannes Reinecke <hare@xxxxxxxx>, Bart Van Assche <Bart.VanAssche@xxxxxxx>
In-reply-to: <20170930061214.10622-3-ming.lei@redhat.com>
User-agent: Mutt/1.8.3 (2017-05-23)

I think I already gate it to basically the same patch as queued
up by Bart, but here again:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH V7 0/6] block/scsi: safe SCSI quiescing
  - From: Ming Lei
- [PATCH V7 2/6] block: tracking request allocation with q_usage_counter
  - From: Ming Lei