Re: [PATCH 2/2] uio: do not expose inode to uio open/release hooks

From: Benedikt Spranger
Date: Wed Dec 12 2012 - 03:58:26 EST


Am Wed, 12 Dec 2012 09:50:54 +0100
schrieb "Hans J. Koch" <hjk@xxxxxxxxxxxx>:

> On Tue, Dec 11, 2012 at 08:46:48PM -0800, Greg KH wrote:
> > Yes, but what does that have to do with this in-kernel, internal api?
>
> Ah, OK. You're right, the commit message is confusing.
>
> Bene, it's enough to say we drop the inode parameter because nobody
> ever needed it.
I am fine with that.

> I cannot see why this also helps with the other problem.
It would help, because we can defer calling the release hook until the
last mmap user is gone. In this case the inode pointer may not be valid
anymore.

Regards
Bene
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