[dm-devel] dm-multipath [PATCH] multipathd adding devices.
Christophe Varoqui
christophe.varoqui at free.fr
Thu Mar 2 15:41:07 UTC 2006
On Thu, Mar 02, 2006 at 12:09:31PM +0100, Christophe Varoqui wrote:
> On Fri, Feb 24, 2006 at 08:33:29PM -0600, Benjamin Marzinski wrote:
> > The way multipathd currently works, if you add a map that isn't known to
> > device mapper from multipathd, the first time you run the command, it won't
> > add the map to the mpvec vector. With the attached patch, multipathd will
> > initialize the map and add it to the mpvec vector.
> >
> How does the current behaviour affects you ?
> Is this about races between DM and netlink events ?
>
To be more specific, I think the current code rely on the netlink "map add" event triggered by coalesce_paths() to feed the mpvec asynchronously.
... which seems ok to me, but I may miss a point.
Regards,
cvaroqui
More information about the dm-devel
mailing list