by ldlm_cancel_shrink_policy() to estimate lock "value", instead of
hard-coded `number of pages' logic.
+Severity : normal
+Bugzilla : 16450
+Description: Add lockdep annotations to llog code.
+Details : Use appropriately tagged _nested() locking calls in the places
+ where llog takes more than one ->lgh_lock lock.
+
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2007-08-10 Cluster File Systems, Inc. <info@clusterfs.com>