Re: [PATCH v3] multipathd: handle fpin events

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On Wed, 2022-02-09 at 19:28 -0800, Muneendra Kumar wrote:
> This patch incorporates the functionality to handle
> FPIN ELS events present as part of FCTransport daemon
> (available in EPEL8) into the multipathd. This helps us to
> reduce the response time to react and take the necessary actions
> on receiving the FPIN events.
> 
> This patch currently support FPIN-Li Events.
> 
> It adds a new thread to listen for ELS frames from driver and on
> receiving the frame payload, push the payload to a list and notify
> the
> fpin_els_li_consumer thread to process it.Once consumer thread is
> notified, it returns to listen for more ELS frames from driver.
> 
> The consumer thread process the ELS frames and moves the devices
> paths
> which are affected due to link integrity to marginal path groups.
> This also sets the associated portstate to marginal.
> The paths which are set to marginal path group will be unset
> on receiving the RSCN events
> 
> Signed-off-by: Muneendra Kumar <muneendra.kumar@xxxxxxxxxxxx>
> Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> ---

Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>

Thanks!

Martin


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