Re: [PATCH V2 1/2] scsi: read host_busy via scsi_host_busy()

To: Ming Lei <ming.lei@xxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH V2 1/2] scsi: read host_busy via scsi_host_busy()
From: Bart Van Assche <bart.vanassche@xxxxxxx>
Date: Mon, 25 Jun 2018 08:37:13 -0700
Cc: Jens Axboe <axboe@xxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, Omar Sandoval <osandov@xxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, James Bottomley <james.bottomley@xxxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Don Brace <don.brace@xxxxxxxxxxxxx>, Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Hannes Reinecke <hare@xxxxxxx>, Laurence Oberman <loberman@xxxxxxxxxx>
In-reply-to: <20180624140327.28146-2-ming.lei@redhat.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0

On 06/24/18 07:04, Ming Lei wrote:

No functional change.

Just introduce scsi_host_busy() and replace the direct read of
scsi_host->host_busy with this new API.


Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxx>

References:
- [PATCH V2 0/2] scsi: scsi-mq: don't hold host_busy in IO path
  - From: Ming Lei
- [PATCH V2 1/2] scsi: read host_busy via scsi_host_busy()
  - From: Ming Lei