[PATCH] nvme: send uevent once a multipath namespace is operational again

[Hannes Reinecke]

On 3/3/21 9:39 AM, Christoph Hellwig wrote:
> On Fri, Feb 26, 2021 at 09:05:38AM +0100, Hannes Reinecke wrote:
>> In an all paths down scenario I/O will be requeued or aborted, and no
>> further I/O will be ongoing on this namespace.
>> This leaves the upper layers unable to determine if the namespace
>> becomes operational again eg. after a successful controller reset.
>> With this patch a 'change' uevent will be sent per multipathed namespace
>> once the underlying controller moved to LIVE and started I/O processing
>> by calling nvme_kick_requeue_lists().
> 
> This should use disk_uevent().
> 
Right. Will be updating the patch.

Cheers,

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