[lvm-devel] [PATCH] Ignore _mlog name restriction for lvconvert repair

[malahal at us.ibm.com]

Takahiro Yasui [tyasui at redhat.com] wrote:
> Malahal Naineni wrote:
> > lvconvert --repair is done on _mlog mirrored log logical volumes from
> > dmeventd if something fails.
> > 
> > diff -r 86200db56a7c -r 471e224a5713 tools/lvconvert.c
> > --- a/tools/lvconvert.c	Tue Feb 09 17:49:50 2010 -0800
> > +++ b/tools/lvconvert.c	Wed Feb 10 09:12:11 2010 -0800
> > @@ -105,8 +105,12 @@ static int _lvconvert_name_params(struct
> >  	if ((ptr = strrchr(lp->lv_name_full, '/')))
> >  		lp->lv_name = ptr + 1;
> >  
> > -	if (!apply_lvname_restrictions(lp->lv_name))
> > -		return_0;
> > +	/* _mlog is an internal name, but it could be mirrored, so
> > +	 * allow repairing it.
> > +	 */
> > +	if (!arg_count(cmd, repair_ARG) || !strstr(lp->lv_name, "_mlog"))
> > +		if (!apply_lvname_restrictions(lp->lv_name))
> > +			return_0;
> >  
> >  	if (*pargc && lp->snapshot) {
> >  		log_error("Too many arguments provided for snapshots");
> 
> lvname is better to be checked if a logical volume is not mirrored log
> but simple logical volume. How about using (lv->status & MIRRORED) for
> the check?

I thought about it but such details are not available at that point. All
the information available at that point is derived from the command line
arguments!

Thanks, Malahal.