Re: [PATCH v2] libmpathpersist: set mpp->mpe before selecting reservation_key

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On Wed, 2024-07-24 at 14:17 -0400, Benjamin Marzinski wrote:
> libmpathpersist was not setting mpp->mpe before calling
> select_reservation_key(). This means that if the reservation key was
> set
> in the multipaths sections, it wasn't being selected.
> 
> This appeared to work for many commands because of an error in
> checking
> if the correct reservation key was used. If mpp->reservation key was
> unset, then it would considered to match if either the RK or SARK was
> unset in the command. mpathpersist should fail if it doesn't find a
> configured mpp->resevation key, with one exception. To make it easier
> to
> remove old keys, if --register-ignore is called, and the command SARK
> is
> 0x0 so the device is being unregistered, allow mpp->reservation_key
> to
> be unset. The code already allows mpp->reservation_key to not match
> the
> command RK in this case.
> 
> Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>

Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>






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