cleanup empty locks

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/private/lock/dblockingprovider.php b/lib/private/lock/dblockingprovider.php
index 60d516e17c0..5480a6e53af 100644
--- a/lib/private/lock/dblockingprovider.php
+++ b/lib/private/lock/dblockingprovider.php
@@ -105,6 +105,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 				[$path]
 			);
 		}
+
 		$this->markRelease($path, $type);
 	}
 
@@ -133,4 +134,17 @@ class DBLockingProvider extends AbstractLockingProvider {
 		}
 		$this->markChange($path, $targetType);
 	}
+
+	/**
+	 * cleanup empty locks
+	 */
+	public function cleanEmptyLocks() {
+		$this->connection->executeUpdate(
+			'DELETE FROM `*PREFIX*file_locks` WHERE `lock` = 0'
+		);
+	}
+
+	public function __destruct() {
+		$this->cleanEmptyLocks();
+	}
 }