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From: Mike Christie <mchristi@redhat.com>
To: josef@toxicpanda.com, linux-block@vger.kernel.org
Subject: Re: [PATCH 1/4] nbd: add set cmd timeout helper
Date: Fri, 9 Aug 2019 16:32:09 -0500
Message-ID: <5D4DE659.5050909@redhat.com> (raw)
In-Reply-To: <20190809212610.19412-2-mchristi@redhat.com>

On 08/09/2019 04:26 PM, Mike Christie wrote:
>  
> +static void nbd_set_cmd_timeout(struct nbd_device *nbd, u64 timeout)
> +{
> +	nbd->tag_set.timeout = timeout * HZ;
> +	blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
> +}
> +
>  /* Must be called with config_lock held */
>  static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
>  		       unsigned int cmd, unsigned long arg)
> @@ -1275,10 +1281,8 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
>  		nbd_size_set(nbd, config->blksize, arg);
>  		return 0;
>  	case NBD_SET_TIMEOUT:
> -		if (arg) {
> -			nbd->tag_set.timeout = arg * HZ;
> -			blk_queue_rq_timeout(nbd->disk->queue, arg * HZ);
> -		}
> +		if (arg)
> +			nbd_set_cmd_timeout(nbd, arg);
>  		return 0;

Josef,

These patches still leave one regression where you used to be able to
disable the timer after it has already been set. My patches did not fix
that yet. I will fix it on the resend after you give me your comments.


  reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-09 21:26 [PATCH 0/4] nbd: cmd timeout fixes Mike Christie
2019-08-09 21:26 ` [PATCH 1/4] nbd: add set cmd timeout helper Mike Christie
2019-08-09 21:32   ` Mike Christie [this message]
2019-08-13 13:11   ` Josef Bacik
2019-08-09 21:26 ` [PATCH 2/4] nbd: add function to convert blk req op to nbd cmd Mike Christie
2019-08-13 13:11   ` Josef Bacik
2019-08-09 21:26 ` [PATCH 3/4] nbd: add missing config put Mike Christie
2019-08-13 13:11   ` Josef Bacik
2019-08-09 21:26 ` [PATCH 4/4] nbd: fix zero cmd timeout handling Mike Christie
2019-08-13 13:13   ` Josef Bacik
2019-08-13 15:45     ` Mike Christie
2019-08-13 15:54       ` Mike Christie
2019-08-13 15:59         ` Mike Christie
2019-08-13 16:15       ` Josef Bacik
2019-08-13 16:39 [PATCH 0/4] nbd: cmd timeout fixes V2 Mike Christie
2019-08-13 16:39 ` [PATCH 1/4] nbd: add set cmd timeout helper Mike Christie

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