diff options
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index a04ec01ab3ce..461d9872d4d3 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1150,6 +1150,17 @@ int drbd_submit_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e, unsigned n_bios = 0; unsigned nr_pages = (ds + PAGE_SIZE -1) >> PAGE_SHIFT; + if (atomic_read(&mdev->new_c_uuid)) { + if (atomic_add_unless(&mdev->new_c_uuid, -1, 1)) { + drbd_uuid_new_current(mdev); + drbd_md_sync(mdev); + + atomic_dec(&mdev->new_c_uuid); + wake_up(&mdev->misc_wait); + } + wait_event(mdev->misc_wait, !atomic_read(&mdev->new_c_uuid)); + } + /* In most cases, we will only need one bio. But in case the lower * level restrictions happen to be different at this offset on this * side than those of the sending peer, we may need to submit the |