[dm-devel] [PATCH] multipathd: disallow changing to/from fpin marginal paths on reconfig

[Martin Wilck]

On Mon, 2022-02-14 at 10:24 -0600, Benjamin Marzinski wrote:
> Setting marginal_pathgroups to fpin causes two new threads to be
> created
> when multipathd starts.  Turning it on after multipathd starts up
> won't
> cause the theads to start, and turing it off won't keep the threads
> from
> working. So disallow changing marginal_pathgroups to/from "fpin" on
> reconfigure.
> 
> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
> Cc: Muneendra Kumar <muneendra.kumar at broadcom.com>

Reviewed-by: Martin Wilck <mwilck at suse.com>