Attachment 595823 Details for Bug 834703 – Patch that fixes problem

[patch] Patch that fixes problem

resize-raid456.patch (text/plain), 1.24 KB, created by Jonathan Earl Brassow on 2012-07-02 22:54:39 UTC

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Creator: Jonathan Earl Brassow

Created: 2012-07-02 22:54:39 UTC

Size: 1.24 KB

patch

obsolete

>Index: lvm2/lib/metadata/lv_manip.c
>===================================================================
>--- lvm2.orig/lib/metadata/lv_manip.c
>+++ lvm2/lib/metadata/lv_manip.c
>@@ -697,6 +697,10 @@ static uint32_t _calc_area_multiple(cons
> 	if (segtype_is_striped(segtype))
> 		return area_count;
> 
>+	/* Parity RAID (e.g. RAID 4/5/6) */
>+	if (segtype_is_raid(segtype) && segtype->parity_devs)
>+		return area_count - segtype->parity_devs;
>+
> 	/* Mirrored stripes */
> 	if (stripes)
> 		return stripes;
>Index: lvm2/tools/lvresize.c
>===================================================================
>--- lvm2.orig/tools/lvresize.c
>+++ lvm2/tools/lvresize.c
>@@ -598,11 +598,12 @@ static int _lvresize(struct cmd_context
> 		 *       and data LV could be any type (i.e. mirror)) */
> 		dm_list_iterate_items(seg, seg_mirrors ? &seg_lv(mirr_seg, 0)->segments :
> 				      lv_is_thin_pool(lv) ? &seg_lv(first_seg(lv), 0)->segments : &lv->segments) {
>-			if (!seg_is_striped(seg))
>+			if (!seg_is_striped(seg) &&
>+			    (!seg_is_raid(seg) || seg_is_mirrored(seg)))
> 				continue;
> 
> 			sz = seg->stripe_size;
>-			str = seg->area_count;
>+			str = seg->area_count - lp->segtype->parity_devs;
> 
> 			if ((seg_stripesize && seg_stripesize != sz &&
> 			     sz && !lp->stripe_size) ||

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