From db7bfaa8ceb90f47f6d56dc98243b23b5dcf42d4 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 19 Mar 2013 14:50:24 +0000
Subject: [PATCH] The geom_part provider supports unmapped bio iff the
 underlying provider does so, since geom_part never inspects the bio_data.

Sponsored by:	The FreeBSD Foundation
Tested by:	pho
---
 sys/geom/part/g_part.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/geom/part/g_part.c b/sys/geom/part/g_part.c
index f7f6f5567ae..1583122e944 100644
--- a/sys/geom/part/g_part.c
+++ b/sys/geom/part/g_part.c
@@ -428,6 +428,7 @@ g_part_new_provider(struct g_geom *gp, struct g_part_table *table,
 	entry->gpe_pp->stripeoffset = pp->stripeoffset + entry->gpe_offset;
 	if (pp->stripesize > 0)
 		entry->gpe_pp->stripeoffset %= pp->stripesize;
+	entry->gpe_pp->flags |= pp->flags & G_PF_ACCEPT_UNMAPPED;
 	g_error_provider(entry->gpe_pp, 0);
 }