diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-table.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index f3f952e347ed..47818d8249cb 100644 --- a/drivers/md/dm-table.c +++ b/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) |