1 files changed, 2 insertions, 0 deletions

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 1ebc1fdb9144..dd1f1e0e196f 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -101,6 +101,7 @@ void blk_set_default_limits(struct queue_limits *lim)
         lim->discard_granularity = 0;
         lim->discard_alignment = 0;
         lim->discard_misaligned = 0;
+        lim->discard_zeroes_data = -1;
         lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;
         lim->bounce_pfn = (unsigned long)(BLK_BOUNCE_ANY >> PAGE_SHIFT);
         lim->alignment_offset = 0;
@@ -544,6 +545,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
 
         t->io_min = max(t->io_min, b->io_min);
         t->no_cluster |= b->no_cluster;
+        t->discard_zeroes_data &= b->discard_zeroes_data;
 
         /* Bottom device offset aligned? */
         if (offset &&