bk commit into 5.1 tree (pekka:1.2132)

[pekka]

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ChangeSet
  1.2132 06/02/05 23:51:47 pekka@stripped +1 -0
  ndb - TUP scan: unlock outstanding locks on scan close (lost+found patch)

  storage/ndb/src/kernel/blocks/dbtup/DbtupScan.cpp
    1.8 06/02/05 23:50:33 pekka@stripped +17 -0
    unlock outstanding locks on scan close

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	pekka
# Host:	orca.ndb.mysql.com
# Root:	/space/pekka/ndb/version/my51

--- 1.7/storage/ndb/src/kernel/blocks/dbtup/DbtupScan.cpp	2006-01-11 09:26:03 +01:00
+++ 1.8/storage/ndb/src/kernel/blocks/dbtup/DbtupScan.cpp	2006-02-05 23:50:33 +01:00
@@ -895,6 +895,23 @@
 void
 Dbtup::scanClose(Signal* signal, ScanOpPtr scanPtr)
 {
+  ScanOp& scan = *scanPtr.p;
+  ndbrequire(! (scan.m_bits & ScanOp::SCAN_LOCK_WAIT) && scan.m_accLockOp == RNIL);
+  // unlock all not unlocked by LQH
+  LocalDLFifoList<ScanLock> list(c_scanLockPool, scan.m_accLockOps);
+  ScanLockPtr lockPtr;
+  while (list.first(lockPtr)) {
+    jam();
+    AccLockReq* const lockReq = (AccLockReq*)signal->getDataPtrSend();
+    lockReq->returnCode = RNIL;
+    lockReq->requestInfo = AccLockReq::Abort;
+    lockReq->accOpPtr = lockPtr.p->m_accLockOp;
+    EXECUTE_DIRECT(DBACC, GSN_ACC_LOCKREQ, signal, AccLockReq::UndoSignalLength);
+    jamEntry();
+    ndbrequire(lockReq->returnCode == AccLockReq::Success);
+    list.release(lockPtr);
+  }
+  // send conf
   NextScanConf* const conf = (NextScanConf*)signal->getDataPtrSend();
   conf->scanPtr = scanPtr.p->m_userPtr;
   conf->accOperationPtr = RNIL;