drbd: Make sure to resync all of the new storage upon online resize
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 695fb64..178cf16 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -84,6 +84,9 @@
#define BM_MD_IO_ERROR 1
#define BM_P_VMALLOCED 2
+int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
+ unsigned long e, int val, const enum km_type km);
+
static int bm_is_locked(struct drbd_bitmap *b)
{
return test_bit(BM_LOCKED, &b->bm_flags);
@@ -529,6 +532,9 @@
if (set_new_bits) {
bm_memset(b, owords, 0xff, words-owords);
b->bm_set += bits - obits;
+ __bm_change_bits_to(mdev, obits,
+ ALIGN(obits, BITS_PER_LONG),
+ 1, KM_IRQ1);
} else
bm_memset(b, owords, 0x00, words-owords);