drbd: Fix: drbd_bitmap_io does not return an enum determine_dev_size

I guess bitmap I/O errors are supposed to cause drbd_determin_dev_size
to return dev_size_error.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index ada5483f7e56..2f0724982143 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -643,11 +643,17 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, enum dds_
                 || prev_size       != mdev->ldev->md.md_size_sect;
 
         if (la_size_changed || md_moved) {
+                int err;
+
                 drbd_al_shrink(mdev); /* All extents inactive. */
                 dev_info(DEV, "Writing the whole bitmap, %s\n",
                          la_size_changed && md_moved ? "size changed and md moved" :
                          la_size_changed ? "size changed" : "md moved");
-                rv = drbd_bitmap_io(mdev, &drbd_bm_write, "size changed"); /* does drbd_resume_io() ! */
+                err = drbd_bitmap_io(mdev, &drbd_bm_write, "size changed"); /* does drbd_resume_io() ! */
+                if (err) {
+                        rv = dev_size_error;
+                        goto out;
+                }
                 drbd_md_mark_dirty(mdev);
         }