Re: 2.4 in-kernel file opening

From: linux-os (Dick Johnson)
Date: Tue Oct 04 2005 - 13:11:27 EST



On Tue, 4 Oct 2005, Martin Drab wrote:

> On Tue, 4 Oct 2005, Martin Drab wrote:
>
>> On Tue, 4 Oct 2005, Martin Drab wrote:
>> ...
>>> things within the driver before the mmap() - I guess that should be
>>> possibble to do from within the fops->mmap(), but I also need to do
>>> something upon munmap()ping. Where should I place that? There doesn't seem
>>> to be any function that would be called upon user munmap(). :(
>>
>> Should this be placed at vmops->close()?
>
> Or does there have to be a separate ioctl call for that after the munmap()
> anyway?
>
> Martin

Just grin and bear it. Do the right things at the right time. If you
need ioctl() just do it. It will save you loads of development and
debugging time. Further, somebody else will be able to maintain the
code when you get promoted.

Cheers,
Dick Johnson
Penguin : Linux version 2.6.13 on an i686 machine (5589.55 BogoMips).
Warning : 98.36% of all statistics are fiction.

****************************************************************
The information transmitted in this message is confidential and may be privileged. Any review, retransmission, dissemination, or other use of this information by persons or entities other than the intended recipient is prohibited. If you are not the intended recipient, please notify Analogic Corporation immediately - by replying to this message or by sending an email to DeliveryErrors@xxxxxxxxxxxx - and destroy all copies of this information, including any attachments, without reading or disclosing them.

Thank you.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/