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- Finish implementing RamdiskCreateDiskDevice -- we should now have a working ramdisk drive that should receive read/write requests.

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svn path=/trunk/; revision=34602
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ReactOS Portable Systems Group 2008-07-20 04:39:01 +00:00
parent 54694096a1
commit 14ea158446
1 changed files with 40 additions and 1 deletions
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41
reactos/drivers/storage/class/ramdisk/ramdisk.c
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@ -81,6 +81,9 @@ typedef struct _RAMDISK_DRIVE_EXTENSION
LONGLONG DiskLength;
LONG DiskOffset;
WCHAR DriveLetter;
ULONG BytesPerSector;
ULONG SectorsPerTrack;
ULONG NumberOfHeads;
} RAMDISK_DRIVE_EXTENSION, *PRAMDISK_DRIVE_EXTENSION;
ULONG MaximumViewLength;
@ -491,7 +494,43 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
DeviceName.Buffer = NULL;
SymbolicLinkName.Buffer = NULL;
GuidString.Buffer = NULL;
}
//
// Only support ISO stuff for now
//
ASSERT(Input->Options.ExportAsCd == TRUE);
ASSERT(Input->DiskType == FILE_DEVICE_CD_ROM_FILE_SYSTEM);
//
// Setup partition parameters
//
DriveExtension->BytesPerSector = 2048; // 512 for Disk
DriveExtension->SectorsPerTrack = 32; // 128 for disk
DriveExtension->NumberOfHeads = 64; // 16 for disk
//
// Acquire the disk lock
//
KeEnterCriticalRegion();
ExAcquireFastMutex(&DeviceExtension->DiskListLock);
//
// Insert us
//
InsertTailList(&DeviceExtension->DiskList, &DriveExtension->DiskList);
//
// Release the lock
//
ExReleaseFastMutex(&DeviceExtension->DiskListLock);
KeLeaveCriticalRegion();
//
// Clear init flag
//
DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
return STATUS_SUCCESS;
}
FailCreate:
UNIMPLEMENTED;