[pschweitzer] 68106: [NTFS] - Use a lookaside list for FCB allocation - Properly delete FCB in NtfsMountVolume()

Author: pschweitzer
Date: Thu Jun 11 20:54:01 2015
New Revision: 68106

URL: http://svn.reactos.org/svn/reactos?rev=68106&view=rev
Log:
[NTFS]
- Use a lookaside list for FCB allocation
- Properly delete FCB in NtfsMountVolume()

Modified:
    trunk/reactos/drivers/filesystems/ntfs/fcb.c
    trunk/reactos/drivers/filesystems/ntfs/fsctl.c
    trunk/reactos/drivers/filesystems/ntfs/ntfs.c
    trunk/reactos/drivers/filesystems/ntfs/ntfs.h

Modified: trunk/reactos/drivers/filesystems/ntfs/fcb.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/fc...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/fcb.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/fcb.c	[iso-8859-1] Thu Jun 11 20:54:01 2015
@@ -32,10 +32,6 @@
 #define NDEBUG
 #include <debug.h>

-/* MACROS *******************************************************************/
-
-#define TAG_FCB 'BCFI'
-
 /* FUNCTIONS ****************************************************************/

static
@@ -76,7 +72,7 @@
     ASSERT(Vcb);
     ASSERT(Vcb->Identifier.Type == NTFS_TYPE_VCB);

-    Fcb = ExAllocatePoolWithTag(NonPagedPool, sizeof(NTFS_FCB), TAG_FCB);
+    Fcb = ExAllocateFromNPagedLookasideList(&NtfsGlobalData->FcbLookasideList);
     RtlZeroMemory(Fcb, sizeof(NTFS_FCB));

Fcb->Identifier.Type = NTFS_TYPE_FCB;
@@ -113,7 +109,7 @@

ExDeleteResourceLite(&Fcb->MainResource);

-    ExFreePool(Fcb);
+    ExFreeToNPagedLookasideList(&NtfsGlobalData->FcbLookasideList, Fcb);
 }

Modified: trunk/reactos/drivers/filesystems/ntfs/fsctl.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/fs...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/fsctl.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/fsctl.c	[iso-8859-1] Thu Jun 11 20:54:01 2015
@@ -524,7 +524,7 @@
             ObDereferenceObject(Vcb->StreamFileObject);

if (Fcb)
-            ExFreePool(Fcb);
+            NtfsDestroyFCB(Fcb);

if (Ccb)
             ExFreePool(Ccb);

Modified: trunk/reactos/drivers/filesystems/ntfs/ntfs.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/nt...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/ntfs.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/ntfs.c	[iso-8859-1] Thu Jun 11 20:54:01 2015
@@ -99,6 +99,9 @@
     /* Initialize lookaside list for IRP contexts */
     ExInitializeNPagedLookasideList(&NtfsGlobalData->IrpContextLookasideList,
                                     NULL, NULL, 0, sizeof(NTFS_IRP_CONTEXT), 'PRIN', 0);
+    /* Initialize lookaside list for FCBs */
+    ExInitializeNPagedLookasideList(&NtfsGlobalData->FcbLookasideList,
+                                    NULL, NULL, 0, sizeof(NTFS_FCB), TAG_FCB, 0);

/* Driver can't be unloaded */
     DriverObject->DriverUnload = NULL;

Modified: trunk/reactos/drivers/filesystems/ntfs/ntfs.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/nt...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/ntfs.h	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/ntfs.h	[iso-8859-1] Thu Jun 11 20:54:01 2015
@@ -127,6 +127,7 @@
 } NTFS_CCB, *PNTFS_CCB;

#define TAG_CCB 'BCCI'
+#define TAG_FCB 'BCFI'

typedef struct
 {
@@ -138,6 +139,7 @@
     ULONG Flags;
     FAST_IO_DISPATCH FastIoDispatch;
     NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
+    NPAGED_LOOKASIDE_LIST FcbLookasideList;
 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;