[sginsberg] 36139: - IoAcquire/ReleaseVpbSpinLock: Use the queued IopVpbSpinLock spinlock instead of a regular "IoVpbLock" spinlock

Author: sginsberg
Date: Thu Sep 11 11:53:36 2008
New Revision: 36139

URL: http://svn.reactos.org/svn/reactos?rev=36139&view=rev
Log:
- IoAcquire/ReleaseVpbSpinLock: Use the queued IopVpbSpinLock spinlock instead of a regular "IoVpbLock" spinlock

Modified:
    trunk/reactos/ntoskrnl/io/iomgr/iomgr.c
    trunk/reactos/ntoskrnl/io/iomgr/volume.c

Modified: trunk/reactos/ntoskrnl/io/iomgr/iomgr.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/iomgr.c?r...
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/iomgr.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/iomgr.c [iso-8859-1] Thu Sep 11 11:53:36 2008
@@ -68,7 +68,6 @@
 extern LIST_ENTRY IopTimerQueueHead;
 extern KDPC IopTimerDpc;
 extern KTIMER IopTimer;
-extern KSPIN_LOCK IoVpbLock;
 extern KSPIN_LOCK IoStatisticsLock;
 extern KSPIN_LOCK DriverReinitListLock;
 extern KSPIN_LOCK DriverBootReinitListLock;
@@ -462,7 +461,6 @@
     InitializeListHead(&LastChanceShutdownListHead);
     InitializeListHead(&FsChangeNotifyListHead);
     InitializeListHead(&IopErrorLogListHead);
-    KeInitializeSpinLock(&IoVpbLock);
     KeInitializeSpinLock(&IoStatisticsLock);
     KeInitializeSpinLock(&DriverReinitListLock);
     KeInitializeSpinLock(&DriverBootReinitListLock);

Modified: trunk/reactos/ntoskrnl/io/iomgr/volume.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/volume.c?...
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/volume.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/volume.c [iso-8859-1] Thu Sep 11 11:53:36 2008
@@ -26,7 +26,6 @@
 LIST_ENTRY IopCdRomFsListHead, IopTapeFsListHead;
 KGUARDED_MUTEX FsChangeNotifyListLock;
 LIST_ENTRY FsChangeNotifyListHead;
-KSPIN_LOCK IoVpbLock;

/* PRIVATE FUNCTIONS *********************************************************/

@@ -923,7 +922,7 @@
 IoAcquireVpbSpinLock(OUT PKIRQL Irql)
 {
     /* Simply acquire the lock */
-    KeAcquireSpinLock(&IoVpbLock, Irql);
+    *Irql = KeAcquireQueuedSpinLock(LockQueueIoVpbLock);
 }

/*
@@ -934,7 +933,7 @@
 IoReleaseVpbSpinLock(IN KIRQL Irql)
 {
     /* Just release the lock */
-    KeReleaseSpinLock(&IoVpbLock, Irql);
+    KeReleaseQueuedSpinLock(LockQueueIoVpbLock, Irql);
 }

/*