locking: Schedule a new lock request everytime a lock is released

Since the number of active lock requests is limited to
MAX_LOCK_PROCESSES_PER_DB (= 100), any new requests won't get scheduled
when they are created. So schedule a pending request once current active
request is done.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>

diff --git a/server/ctdb_lock.c b/server/ctdb_lock.c
index 001fad5ae324ae5a88ada3ce2a739c5f91d4f5a5..667c11791c3942dbf8f8ebccfc0c18676549f070 100644 (file)
--- a/server/ctdb_lock.c
+++ b/server/ctdb_lock.c
@@ -318,6 +318,7 @@ void ctdb_unlock_item(struct lock_context *lock_ctx)
        }
 }
 
+static void ctdb_lock_schedule(struct ctdb_context *ctdb);
 
 /*
  * Destructor to kill the child locking process
@@ -340,6 +341,9 @@ static int ctdb_lock_context_destructor(struct lock_context *lock_ctx)
                        CTDB_DECREMENT_DB_STAT(lock_ctx->ctdb_db, locks.num_pending);
                }
        }
+
+       ctdb_lock_schedule(lock_ctx->ctdb);
+
        return 0;
 }