From 938228918eabeb355d2d74ad89fcccf30119b5bb Mon Sep 17 00:00:00 2001
From: Stefan Ginsberg <stefanginsberg@gmail.com>
Date: Thu, 11 Sep 2008 16:53:36 +0000
Subject: [PATCH] - IoAcquire/ReleaseVpbSpinLock: Use the queued IopVpbSpinLock
 spinlock instead of a regular "IoVpbLock" spinlock

svn path=/trunk/; revision=36139
---
 reactos/ntoskrnl/io/iomgr/iomgr.c  | 2 --
 reactos/ntoskrnl/io/iomgr/volume.c | 5 ++---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/reactos/ntoskrnl/io/iomgr/iomgr.c b/reactos/ntoskrnl/io/iomgr/iomgr.c
index 015018e38db..11c223b2a3a 100644
--- a/reactos/ntoskrnl/io/iomgr/iomgr.c
+++ b/reactos/ntoskrnl/io/iomgr/iomgr.c
@@ -68,7 +68,6 @@ extern LIST_ENTRY IopErrorLogListHead;
 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 @@ IoInitSystem(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
     InitializeListHead(&LastChanceShutdownListHead);
     InitializeListHead(&FsChangeNotifyListHead);
     InitializeListHead(&IopErrorLogListHead);
-    KeInitializeSpinLock(&IoVpbLock);
     KeInitializeSpinLock(&IoStatisticsLock);
     KeInitializeSpinLock(&DriverReinitListLock);
     KeInitializeSpinLock(&DriverBootReinitListLock);
diff --git a/reactos/ntoskrnl/io/iomgr/volume.c b/reactos/ntoskrnl/io/iomgr/volume.c
index 56d7d06856d..7b47305e5f6 100644
--- a/reactos/ntoskrnl/io/iomgr/volume.c
+++ b/reactos/ntoskrnl/io/iomgr/volume.c
@@ -26,7 +26,6 @@ LIST_ENTRY IopDiskFsListHead, IopNetworkFsListHead;
 LIST_ENTRY IopCdRomFsListHead, IopTapeFsListHead;
 KGUARDED_MUTEX FsChangeNotifyListLock;
 LIST_ENTRY FsChangeNotifyListHead;
-KSPIN_LOCK IoVpbLock;
 
 /* PRIVATE FUNCTIONS *********************************************************/
 
@@ -923,7 +922,7 @@ NTAPI
 IoAcquireVpbSpinLock(OUT PKIRQL Irql)
 {
     /* Simply acquire the lock */
-    KeAcquireSpinLock(&IoVpbLock, Irql);
+    *Irql = KeAcquireQueuedSpinLock(LockQueueIoVpbLock);
 }
 
 /*
@@ -934,7 +933,7 @@ NTAPI
 IoReleaseVpbSpinLock(IN KIRQL Irql)
 {
     /* Just release the lock */
-    KeReleaseSpinLock(&IoVpbLock, Irql);
+    KeReleaseQueuedSpinLock(LockQueueIoVpbLock, Irql);
 }
 
 /*