[PATCH] Ignore _mlog name restriction for lvconvert repair

[Takahiro Yasui <tyasui@redhat.com>]

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?

Thanks,
Taka