close.c File Reference

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

Include dependency graph for close.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS	NtfsCloseFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject)
NTSTATUS	NtfsClose (PNTFS_IRP_CONTEXT IrpContext)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 31 of file close.c.

Function Documentation

NtfsClose()

NTSTATUS NtfsClose

(

PNTFS_IRP_CONTEXT

IrpContext

)

Definition at line 87 of file close.c.

{
    PDEVICE_EXTENSION DeviceExtension;
    PFILE_OBJECT FileObject;
    NTSTATUS Status;
    PDEVICE_OBJECT DeviceObject;
 
    DPRINT("NtfsClose() called\n");
 
    DeviceObject = IrpContext->DeviceObject;
    if (DeviceObject == NtfsGlobalData->DeviceObject)
    {
        DPRINT("Closing file system\n");
        IrpContext->Irp->IoStatus.Information = 0;
        return STATUS_SUCCESS;
    }
 
    FileObject = IrpContext->FileObject;
    DeviceExtension = DeviceObject->DeviceExtension;
 
    if (!ExAcquireResourceExclusiveLite(&DeviceExtension->DirResource,
                                        BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
    {
        return NtfsMarkIrpContextForQueue(IrpContext);
    }
 
    Status = NtfsCloseFile(DeviceExtension, FileObject);
 
    ExReleaseResourceLite(&DeviceExtension->DirResource);
 
    if (Status == STATUS_PENDING)
    {
        return NtfsMarkIrpContextForQueue(IrpContext);
    }
 
    IrpContext->Irp->IoStatus.Information = 0;
    return Status;
}

NtfsCloseFile()

NTSTATUS NtfsCloseFile	(	PDEVICE_EXTENSION	DeviceExt,
		PFILE_OBJECT	FileObject
	)

Definition at line 40 of file close.c.

{
    PNTFS_CCB Ccb;
    PNTFS_FCB Fcb;
 
    DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
           DeviceExt,
           FileObject);
 
    Ccb = (PNTFS_CCB)(FileObject->FsContext2);
    Fcb = (PNTFS_FCB)(FileObject->FsContext);
 
    DPRINT("Ccb %p\n", Ccb);
    if (Ccb == NULL)
    {
        return STATUS_SUCCESS;
    }
 
    FileObject->FsContext2 = NULL;
    FileObject->FsContext = NULL;
 
    /* SectionObjectPointer is deliberately left alone. Mm reaches the file's section object
     * pointers through it for as long as a section exists, which outlasts the handle. */
 
    DeviceExt->OpenHandleCount--;
 
    if (FileObject->FileName.Buffer)
    {
        // This a FO, that was created outside from FSD.
        // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
        // This FO's don't have a FileName.
        NtfsReleaseFCB(DeviceExt, Fcb);
    }
 
    if (Ccb->DirectorySearchPattern)
    {
        ExFreePool(Ccb->DirectorySearchPattern);
    }
 
    ExFreePool(Ccb);
 
    return STATUS_SUCCESS;
}

Referenced by NtfsClose(), and NtfsCreateFile().