1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 5136e11eadb0..fb343276beef 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -843,6 +843,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size,
         q->limits.max_segment_size      = UINT_MAX;
         q->limits.max_segments          = BIO_MAX_PAGES;
         q->limits.max_discard_sectors   = UINT_MAX;
+        q->limits.discard_granularity   = 512;
         q->limits.io_min                = block_size;
         q->limits.logical_block_size    = block_size;
         q->limits.physical_block_size   = block_size;