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[NTOSKRNL]

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Implement volume mount notification in RawFS

svn path=/trunk/; revision=47965
This commit is contained in:
Pierre Schweitzer 2010-07-07 20:27:04 +00:00
parent 358331354d
commit 1781e13d31
1 changed files with 31 additions and 0 deletions
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31
reactos/ntoskrnl/io/iomgr/rawfs.c
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@ -312,6 +312,7 @@ RawMountVolume(IN PIO_STACK_LOCATION IoStackLocation)
NTSTATUS Status;
PDEVICE_OBJECT DeviceObject;
PVOLUME_DEVICE_OBJECT Volume;
PFILE_OBJECT FileObject = NULL;
PAGED_CODE();
/* Remember our owner */
@ -349,6 +350,36 @@ RawMountVolume(IN PIO_STACK_LOCATION IoStackLocation)
Volume->DeviceObject.SectorSize = DeviceObject->SectorSize;
Volume->DeviceObject.Flags |= DO_DIRECT_IO;
Volume->DeviceObject.Flags &= ~DO_DEVICE_INITIALIZING;
/* Try to get associated FO (for notification) */
_SEH2_TRY
{
FileObject = IoCreateStreamFileObjectLite(NULL,
&(Volume->DeviceObject));
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Get the exception code */
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
/* If failed, delete devive */
if (!NT_SUCCESS(Status))
{
IoDeleteDevice((PDEVICE_OBJECT)Volume);
return Status;
}
/* Increment OpenCount by two to avoid dismount when RawClose() will be called on ObDereferenceObject() */
Volume->Vcb.OpenCount += 2;
/* Notify for sucessful mount */
FsRtlNotifyVolumeEvent(FileObject, FSRTL_VOLUME_MOUNT);
/* Decrease refcount to 0 to make FileObject being released */
ObDereferenceObject(FileObject);
/* It's not open anymore, go back to 0 */
Volume->Vcb.OpenCount -= 2;
return Status;
}