lockctrl.c File Reference

#include "ntfs.h"
#include <debug.h>

Include dependency graph for lockctrl.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS NTAPI	NtfsLockControl (_In_ PNTFS_IRP_CONTEXT IrpContext)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 12 of file lockctrl.c.

Function Documentation

NtfsLockControl()

NTSTATUS NTAPI NtfsLockControl

(

_In_ PNTFS_IRP_CONTEXT

IrpContext

)

Definition at line 19 of file lockctrl.c.

{
    PNTFS_FCB Fcb;
 
    DPRINT("NtfsLockControl(%p)\n", IrpContext);
 
    if (IrpContext->DeviceObject == NtfsGlobalData->DeviceObject)
        return STATUS_INVALID_DEVICE_REQUEST;
 
    /* Only the data of regular files can be locked */
    if (!NtfsIsRegularFileObject(IrpContext->FileObject))
        return STATUS_INVALID_PARAMETER;
 
    Fcb = (PNTFS_FCB)IrpContext->FileObject->FsContext;
 
    /* FsRtl completes the IRP, or keeps it until a conflicting lock goes away */
    IrpContext->Flags &= ~IRPCONTEXT_COMPLETE;
 
    return FsRtlProcessFileLock(&Fcb->FileLock, IrpContext->Irp, NULL);
}

Referenced by NtfsDispatch().