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path: root/drivers/block/drbd/drbd_actlog.c
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Diffstat (limited to 'drivers/block/drbd/drbd_actlog.c')
-rw-r--r--drivers/block/drbd/drbd_actlog.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index 9eae2894431..83d48d210b6 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -276,8 +276,16 @@ void drbd_al_begin_io(struct drbd_conf *mdev, struct drbd_interval *i)
/* Double check: it may have been committed by someone else,
* while we have been waiting for the lock. */
if (mdev->act_log->pending_changes) {
- al_write_transaction(mdev);
- mdev->al_writ_cnt++;
+ bool write_al_updates;
+
+ rcu_read_lock();
+ write_al_updates = rcu_dereference(mdev->ldev->disk_conf)->al_updates;
+ rcu_read_unlock();
+
+ if (write_al_updates) {
+ al_write_transaction(mdev);
+ mdev->al_writ_cnt++;
+ }
spin_lock_irq(&mdev->al_lock);
/* FIXME