mirror of
https://github.com/reactos/reactos.git
synced 2024-07-05 12:15:46 +00:00
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: drivers/filesystems/cdfs/fastio.c
|
|
* PURPOSE: CDROM (ISO 9660) filesystem driver
|
|
* PROGRAMMER: Pierre Schweitzer
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include "cdfs.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* FUNCTIONS ****************************************************************/
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
CdfsAcquireForLazyWrite(
|
|
_In_ PVOID Context,
|
|
_In_ BOOLEAN Wait)
|
|
{
|
|
PFCB Fcb = (PFCB)Context;
|
|
ASSERT(Fcb);
|
|
DPRINT("CdfsAcquireForLazyWrite(): Fcb %p\n", Fcb);
|
|
|
|
if (!ExAcquireResourceExclusiveLite(&(Fcb->MainResource), Wait))
|
|
{
|
|
DPRINT("CdfsAcquireForLazyWrite(): ExReleaseResourceLite failed.\n");
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
CdfsReleaseFromLazyWrite(
|
|
_In_ PVOID Context)
|
|
{
|
|
PFCB Fcb = (PFCB)Context;
|
|
ASSERT(Fcb);
|
|
DPRINT("CdfsReleaseFromLazyWrite(): Fcb %p\n", Fcb);
|
|
|
|
ExReleaseResourceLite(&(Fcb->MainResource));
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
CdfsFastIoCheckIfPossible(
|
|
_In_ PFILE_OBJECT FileObject,
|
|
_In_ PLARGE_INTEGER FileOffset,
|
|
_In_ ULONG Length,
|
|
_In_ BOOLEAN Wait,
|
|
_In_ ULONG LockKey,
|
|
_In_ BOOLEAN CheckForReadOperation,
|
|
_Out_ PIO_STATUS_BLOCK IoStatus,
|
|
_In_ PDEVICE_OBJECT DeviceObject)
|
|
{
|
|
/* Deny FastIo */
|
|
UNREFERENCED_PARAMETER(FileObject);
|
|
UNREFERENCED_PARAMETER(FileOffset);
|
|
UNREFERENCED_PARAMETER(Length);
|
|
UNREFERENCED_PARAMETER(Wait);
|
|
UNREFERENCED_PARAMETER(LockKey);
|
|
UNREFERENCED_PARAMETER(CheckForReadOperation);
|
|
UNREFERENCED_PARAMETER(IoStatus);
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
return FALSE;
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
CdfsFastIoRead(
|
|
_In_ PFILE_OBJECT FileObject,
|
|
_In_ PLARGE_INTEGER FileOffset,
|
|
_In_ ULONG Length,
|
|
_In_ BOOLEAN Wait,
|
|
_In_ ULONG LockKey,
|
|
_Out_ PVOID Buffer,
|
|
_Out_ PIO_STATUS_BLOCK IoStatus,
|
|
_In_ PDEVICE_OBJECT DeviceObject)
|
|
{
|
|
DBG_UNREFERENCED_PARAMETER(FileObject);
|
|
DBG_UNREFERENCED_PARAMETER(FileOffset);
|
|
DBG_UNREFERENCED_PARAMETER(Length);
|
|
DBG_UNREFERENCED_PARAMETER(Wait);
|
|
DBG_UNREFERENCED_PARAMETER(LockKey);
|
|
DBG_UNREFERENCED_PARAMETER(Buffer);
|
|
DBG_UNREFERENCED_PARAMETER(IoStatus);
|
|
DBG_UNREFERENCED_PARAMETER(DeviceObject);
|
|
return FALSE;
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
CdfsFastIoWrite(
|
|
_In_ PFILE_OBJECT FileObject,
|
|
_In_ PLARGE_INTEGER FileOffset,
|
|
_In_ ULONG Length,
|
|
_In_ BOOLEAN Wait,
|
|
_In_ ULONG LockKey,
|
|
_In_ PVOID Buffer,
|
|
_Out_ PIO_STATUS_BLOCK IoStatus,
|
|
_In_ PDEVICE_OBJECT DeviceObject)
|
|
{
|
|
DBG_UNREFERENCED_PARAMETER(FileObject);
|
|
DBG_UNREFERENCED_PARAMETER(FileOffset);
|
|
DBG_UNREFERENCED_PARAMETER(Length);
|
|
DBG_UNREFERENCED_PARAMETER(Wait);
|
|
DBG_UNREFERENCED_PARAMETER(LockKey);
|
|
DBG_UNREFERENCED_PARAMETER(Buffer);
|
|
DBG_UNREFERENCED_PARAMETER(IoStatus);
|
|
DBG_UNREFERENCED_PARAMETER(DeviceObject);
|
|
return FALSE;
|
|
}
|