Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-22 16:36:33 +00:00
Code Issues Projects Releases Packages Wiki Activity

(Jason) added sector count to blockdev interface

Browse source 
svn path=/trunk/; revision=82
This commit is contained in:
Rex Jolliff 1998-10-31 15:52:45 +00:00
parent 8134515a1a
commit b5be07756f
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
reactos/drivers/fs/vfat/blockdev.c
View file

@ -19,8 +19,9 @@
/* FUNCTIONS ***************************************************************/
BOOLEAN VFATReadSector(IN PDEVICE_OBJECT pDeviceObject,
BOOLEAN VFATReadSectors(IN PDEVICE_OBJECT pDeviceObject,
IN ULONG DiskSector,
IN ULONG SectorCount,
IN UCHAR* Buffer)
{
LARGE_INTEGER sectorNumber;
@ -40,7 +41,7 @@ BOOLEAN VFATReadSector(IN PDEVICE_OBJECT pDeviceObject,
KeInitializeEvent(&event, NotificationEvent, FALSE);
sectorSize = BLOCKSIZE;
sectorSize = BLOCKSIZE*SectorCount;
mbr = ExAllocatePool(NonPagedPool, sectorSize);
@ -49,6 +50,7 @@ BOOLEAN VFATReadSector(IN PDEVICE_OBJECT pDeviceObject,
}
DPRINT("Building synchronous FSD Request...\n");
irp = IoBuildSynchronousFsdRequest(IRP_MJ_READ,
pDeviceObject,
mbr,
@ -63,28 +65,31 @@ BOOLEAN VFATReadSector(IN PDEVICE_OBJECT pDeviceObject,
return FALSE;
}
DPRINT("Calling IO Driver...\n");
status = IoCallDriver(pDeviceObject,
irp);
DPRINT("Waiting for IO Operation...\n");
if (status == STATUS_PENDING) {
KeWaitForSingleObject(&event,
Suspended,
KernelMode,
FALSE,
NULL);
DPRINT("Getting IO Status...\n");
status = ioStatus.Status;
}
if (!NT_SUCCESS(status)) {
DbgPrint("IO failed!!! Error code: %x\n", status);
DbgPrint("IO failed!!! Error code: %d\n", status);
ExFreePool(mbr);
return FALSE;
}
DPRINT("Copying memory...\n");
RtlCopyMemory(Buffer,mbr,sectorSize);
ExFreePool(mbr);
DPRINT("Block request succeeded\n");
return TRUE;
}