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Started using lookaside lists for SRBs.

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Fixed a typo.

svn path=/trunk/; revision=2769
This commit is contained in:
Eric Kohl 2002-03-22 23:06:58 +00:00
parent a97f4f1164
commit 4fd3b07f1d
1 changed files with 32 additions and 3 deletions
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35
reactos/drivers/storage/class2/class2.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: class2.c,v 1.12 2002/03/22 20:34:15 ekohl Exp $ /* $Id: class2.c,v 1.13 2002/03/22 23:06:58 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -42,6 +42,8 @@
#define VERSION "0.0.1" #define VERSION "0.0.1"
#define TAG_SRBT TAG('S', 'r', 'b', 'T')
#define INQUIRY_DATA_SIZE 2048 #define INQUIRY_DATA_SIZE 2048
@ -671,11 +673,38 @@ ScsiClassInitialize(PVOID Argument1,
} }
/**********************************************************************
* NAME EXPORTED
* ScsiClassInitializeSrbLookasideList
*
* DESCRIPTION
* Initializes a lookaside list for SRBs.
*
* RUN LEVEL
* PASSIVE_LEVEL
*
* ARGUMENTS
* DeviceExtension
* Class specific device extension.
*
* NumberElements
* Maximum number of elements of the lookaside list.
*
* RETURN VALUE
* None.
*/
VOID STDCALL VOID STDCALL
ScsiClassInitializeSrbLookasideList(PDEVICE_EXTENSION DeviceExtension, ScsiClassInitializeSrbLookasideList(PDEVICE_EXTENSION DeviceExtension,
ULONG NumberElements) ULONG NumberElements)
{ {
UNIMPLEMENTED; ExInitializeNPagedLookasideList(&DeviceExtension->SrbLookasideListHead,
NULL,
NULL,
NonPagedPool,
sizeof(SCSI_REQUEST_BLOCK),
TAG_SRBT,
(USHORT)NumberElements);
} }
@ -879,7 +908,7 @@ ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject)
sizeof(DISK_GEOMETRY)); sizeof(DISK_GEOMETRY));
DeviceExtension->DiskGeometry->BytesPerSector = 512; DeviceExtension->DiskGeometry->BytesPerSector = 512;
DeviceExtension->SectorShift = 9; DeviceExtension->SectorShift = 9;
DeviceExtension->Partitionlength.QuadPart = 0; DeviceExtension->PartitionLength.QuadPart = 0;
if (DeviceObject->Characteristics & FILE_REMOVABLE_MEDIA) if (DeviceObject->Characteristics & FILE_REMOVABLE_MEDIA)
{ {