Re: [PATCH v4 1/6] blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list

To: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Subject: Re: [PATCH v4 1/6] blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 10 Apr 2017 09:10:36 +0200
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Hannes Reinecke <hare@xxxxxxxx>
In-reply-to: <20170407181654.27836-2-bart.vanassche@sandisk.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v4 0/6] Avoid that scsi-mq and dm-mq queue processing stalls sporadically
  - From: Bart Van Assche
- [PATCH v4 1/6] blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list
  - From: Bart Van Assche