Signed-off-by: Ming Lei <[email protected]>
---
drivers/block/drbd/drbd_bitmap.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index ab62b81c2ca7..ce9506da30ad 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -953,6 +953,7 @@ static void drbd_bm_endio(struct bio *bio)
struct drbd_bm_aio_ctx *ctx = bio->bi_private;
struct drbd_device *device = ctx->device;
struct drbd_bitmap *b = device->bitmap;
+ /* single page bio, safe for multipage bvec */
unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page);
if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 &&
--
2.7.4
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