dm crypt: always disable discard_zeroes_data

[karo-tx-linux.git] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 49da55c1528aa01137a61c98d6033c9b84dc2e05..8c2a000cf3f5c2f887f7097cb866d0c3e41f2d7d 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1698,6 +1698,8 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
        }
 
        ti->num_flush_requests = 1;
+       ti->discard_zeroes_data_unsupported = 1;
+
        return 0;
 
 bad: