---

yaml
---
r: 75105
b: refs/heads/master
c: 9121250
h: refs/heads/master
i:
  75103: 7ad599a
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 69267a30bed1fabec658058c63845528a8b813d4
+refs/heads/master: 91212507f93778c09d4c1335207b6f4b995f5ad1

trunk/drivers/md/dm-table.c

@@ -99,6 +99,9 @@ static void combine_restrictions_low(struct io_restrictions *lhs,
 	lhs->max_segment_size =
 		min_not_zero(lhs->max_segment_size, rhs->max_segment_size);
 
+	lhs->max_hw_sectors =
+		min_not_zero(lhs->max_hw_sectors, rhs->max_hw_sectors);
+
 	lhs->seg_boundary_mask =
 		min_not_zero(lhs->seg_boundary_mask, rhs->seg_boundary_mask);
 
@@ -566,6 +569,9 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev)
 	rs->max_segment_size =
 		min_not_zero(rs->max_segment_size, q->max_segment_size);
 
+	rs->max_hw_sectors =
+		min_not_zero(rs->max_hw_sectors, q->max_hw_sectors);
+
 	rs->seg_boundary_mask =
 		min_not_zero(rs->seg_boundary_mask,
 			     q->seg_boundary_mask);
@@ -703,6 +709,8 @@ static void check_for_valid_limits(struct io_restrictions *rs)
 {
 	if (!rs->max_sectors)
 		rs->max_sectors = SAFE_MAX_SECTORS;
+	if (!rs->max_hw_sectors)
+		rs->max_hw_sectors = SAFE_MAX_SECTORS;
 	if (!rs->max_phys_segments)
 		rs->max_phys_segments = MAX_PHYS_SEGMENTS;
 	if (!rs->max_hw_segments)
@@ -901,6 +909,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q)
 	q->max_hw_segments = t->limits.max_hw_segments;
 	q->hardsect_size = t->limits.hardsect_size;
 	q->max_segment_size = t->limits.max_segment_size;
+	q->max_hw_sectors = t->limits.max_hw_sectors;
 	q->seg_boundary_mask = t->limits.seg_boundary_mask;
 	q->bounce_pfn = t->limits.bounce_pfn;
 	if (t->limits.no_cluster)

trunk/include/linux/device-mapper.h

@@ -115,6 +115,7 @@ struct io_restrictions {
 	unsigned short		max_hw_segments;
 	unsigned short		hardsect_size;
 	unsigned int		max_segment_size;
+	unsigned int		max_hw_sectors;
 	unsigned long		seg_boundary_mask;
 	unsigned long		bounce_pfn;
 	unsigned char		no_cluster; /* inverted so that 0 is default */