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drbd: Make sure we do not send state updates during an empty resync [Bugz 271] 

This is a race condition that existed for ages.
The previous commit reduces the window, this one closes it.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-03-02 15:06:45 +01:00
parent 309d1608cc
commit d0c3f60f36
1 changed files with 1 additions and 2 deletions
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3
drivers/block/drbd/drbd_worker.c
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@ -1380,7 +1380,6 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side)
_drbd_pause_after(mdev);
}
write_unlock_irq(&global_state_lock);
drbd_state_unlock(mdev);
put_ldev(mdev);
if (r == SS_SUCCESS) {
@ -1393,7 +1392,6 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side)
/* Peer still reachable? Beware of failing before-resync-target handlers! */
ping_peer(mdev);
drbd_resync_finished(mdev);
return;
}
/* ns.conn may already be != mdev->state.conn,
@ -1405,6 +1403,7 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side)
drbd_md_sync(mdev);
}
drbd_state_unlock(mdev);
}
int drbd_worker(struct drbd_thread *thi)