---

yaml
---
r: 73104
b: refs/heads/master
c: 5ec140e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6f5d8aa6382eef2b26032c88656270bdae7f0c42
+refs/heads/master: 5ec140e600b7d6624c657f008833f0e71bd5ef48

trunk/drivers/md/dm-table.c

@@ -102,6 +102,8 @@ static void combine_restrictions_low(struct io_restrictions *lhs,
 	lhs->seg_boundary_mask =
 		min_not_zero(lhs->seg_boundary_mask, rhs->seg_boundary_mask);
 
+	lhs->bounce_pfn = min_not_zero(lhs->bounce_pfn, rhs->bounce_pfn);
+
 	lhs->no_cluster |= rhs->no_cluster;
 }
 
@@ -566,6 +568,8 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev)
 		min_not_zero(rs->seg_boundary_mask,
 			     q->seg_boundary_mask);
 
+	rs->bounce_pfn = min_not_zero(rs->bounce_pfn, q->bounce_pfn);
+
 	rs->no_cluster |= !test_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);
 }
 EXPORT_SYMBOL_GPL(dm_set_device_limits);
@@ -707,6 +711,8 @@ static void check_for_valid_limits(struct io_restrictions *rs)
 		rs->max_segment_size = MAX_SEGMENT_SIZE;
 	if (!rs->seg_boundary_mask)
 		rs->seg_boundary_mask = -1;
+	if (!rs->bounce_pfn)
+		rs->bounce_pfn = -1;
 }
 
 int dm_table_add_target(struct dm_table *t, const char *type,
@@ -891,6 +897,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q)
 	q->hardsect_size = t->limits.hardsect_size;
 	q->max_segment_size = t->limits.max_segment_size;
 	q->seg_boundary_mask = t->limits.seg_boundary_mask;
+	q->bounce_pfn = t->limits.bounce_pfn;
 	if (t->limits.no_cluster)
 		q->queue_flags &= ~(1 << QUEUE_FLAG_CLUSTER);
 	else

trunk/include/linux/device-mapper.h

@@ -116,6 +116,7 @@ struct io_restrictions {
 	unsigned short		hardsect_size;
 	unsigned int		max_segment_size;
 	unsigned long		seg_boundary_mask;
+	unsigned long		bounce_pfn;
 	unsigned char		no_cluster; /* inverted so that 0 is default */
 };