drbd: Allow attach while IO is suspended
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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@ -954,7 +954,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
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drbd_suspend_io(mdev);
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/* also wait for the last barrier ack. */
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wait_event(mdev->misc_wait, !atomic_read(&mdev->ap_pending_cnt));
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wait_event(mdev->misc_wait, !atomic_read(&mdev->ap_pending_cnt) || mdev->state.susp);
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/* and for any other previously queued work */
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drbd_flush_workqueue(mdev);
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