Re: Re: [PATCH 3/3] nbd: mark sock as dead even if it's the last one

[Yao Liu <yotta.liu@ucloud.cn>]

On Fri, May 24, 2019 at 09:17:15AM -0400, Josef Bacik wrote:
> On Fri, May 24, 2019 at 05:43:56PM +0800, Yao Liu wrote:
> > When sock dead, nbd_read_stat should return a ERR_PTR and then we should
> > mark sock as dead and wait for a reconnection if the dead sock is the last
> > one, because nbd_xmit_timeout won't resubmit while num_connections <= 1.
> 
> num_connections is the total number of connections that the device was set up
> with, not how many are left.  Now since we have the dead_conn_timeout timeout
> stuff now which didn't exist when I originally wrote this code I'd be ok with
> doing that, but not the way you have it now.  It would be something more like
> 
> 	if (nbd_disconnected(config) ||
> 	    (config->num_connections <= 1 &&
> 	     !config->dead_conn_timeout)
> 
> instead.  Thanks,
> 
> Josef
> 

Your solution is better indeed.