block/scsi: Provide a limit on the number of integrity segments

[deliverable/linux.git] / block / blk-settings.c

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 8d592b559bd30ba1fc0be80f0ba7f2970f74caf9..f8f2ddf20613701bf4a8130c305bceff09863178 100644 (file)
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -111,6 +111,7 @@ EXPORT_SYMBOL_GPL(blk_queue_lld_busy);
 void blk_set_default_limits(struct queue_limits *lim)
 {
        lim->max_segments = BLK_MAX_SEGMENTS;
+       lim->max_integrity_segments = 0;
        lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK;
        lim->max_segment_size = BLK_MAX_SEGMENT_SIZE;
        lim->max_sectors = BLK_DEF_MAX_SECTORS;
@@ -509,6 +510,8 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
                                            b->seg_boundary_mask);
 
        t->max_segments = min_not_zero(t->max_segments, b->max_segments);
+       t->max_integrity_segments = min_not_zero(t->max_integrity_segments,
+                                                b->max_integrity_segments);
 
        t->max_segment_size = min_not_zero(t->max_segment_size,
                                           b->max_segment_size);