[PATCH v3 2/3] nvme-tcp: Handle number of queue changes

[Hannes Reinecke]

On 8/29/22 10:38, Daniel Wagner wrote:
> On reconnect, the number of queues might have changed.
> 
> In the case where we have more queues available than previously we try
> to access queues which are not initialized yet.
> 
> The other case where we have less queues than previously, the
> connection attempt will fail because the target doesn't support the
> old number of queues and we end up in a reconnect loop.
> 
> Thus, only start queues which are currently present in the tagset
> limited by the number of available queues. Then we update the tagset
> and we can start any new queue.
> 
> Signed-off-by: Daniel Wagner <dwagner at suse.de>
> ---
>   drivers/nvme/host/tcp.c | 26 +++++++++++++++++++++-----
>   1 file changed, 21 insertions(+), 5 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare at suse.de			                  +49 911 74053 688
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