On Mon, Nov 09, 2020 at 05:12:42PM -0600, Benjamin Marzinski wrote:
> When the Register and Ignore command is run with sg_persist, if a 0x00
> Service Action Reservation Key is given or the --param-sark option is
> not used at all, sg_persist will clear the registration.  mpathpersist
> will fail with an error.  This patch fixes mpathpersist to work like
> sg_persist in this case.
>

NACK. This only fixes the case where "reservation_key" is set to "file".
It also needlessly clears the key in the prkeys file twice. I'll send
a fixed version.

-Ben
 
> Signed-off-by: Benjamin Marzinski <[email protected]>
> ---
>  libmpathpersist/mpath_persist.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libmpathpersist/mpath_persist.c b/libmpathpersist/mpath_persist.c
> index 79322e86..703f8e13 100644
> --- a/libmpathpersist/mpath_persist.c
> +++ b/libmpathpersist/mpath_persist.c
> @@ -289,8 +289,8 @@ int __mpath_persistent_reserve_out ( int fd, int 
> rq_servact, int rq_scope,
>       put_multipath_config(conf);
>  
>       memcpy(&prkey, paramp->sa_key, 8);
> -     if (mpp->prkey_source == PRKEY_SOURCE_FILE && prkey &&
> -         ((!get_be64(mpp->reservation_key) &&
> +     if (mpp->prkey_source == PRKEY_SOURCE_FILE &&
> +         ((!get_be64(mpp->reservation_key) && prkey &&
>             rq_servact == MPATH_PROUT_REG_SA) ||
>            rq_servact == MPATH_PROUT_REG_IGN_SA)) {
>               memcpy(&mpp->reservation_key, paramp->sa_key, 8);
> -- 
> 2.17.2
> 
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