From: Richard Gooch <rgooch@ras.ucalgary.ca>
To: Alexander Viro <viro@math.psu.edu>
Cc: linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@transmeta.com>
Subject: Re: more devfs fun
Date: Mon, 5 Nov 2001 22:06:22 -0700 [thread overview]
Message-ID: <200111060506.fA656Mq18958@vindaloo.ras.ucalgary.ca> (raw)
In-Reply-To: <Pine.GSO.4.21.0110271458300.21545-100000@weyl.math.psu.edu>
In-Reply-To: <Pine.GSO.4.21.0110271422520.21545-100000@weyl.math.psu.edu> <Pine.GSO.4.21.0110271458300.21545-100000@weyl.math.psu.edu>
Alexander Viro writes:
> BTW, what the hell is that?
> /*
> * hwgraph_bdevsw_get - returns the fops of the given devfs entry.
> */
> struct file_operations *
> hwgraph_bdevsw_get(devfs_handle_t de)
> {
> return(devfs_get_ops(de));
> }
>
> It's arch/ia64/sn/io/hcl.c. The funny thing being, the thing
> you will get from devfs_get_ops() will _not_ be struct
> file_operations *. And that's aside of the fact that any use of
> that function is very likely to be racy as hell. Sigh...
Sigh indeed. I didn't write that code. Looks like someone is (ab)using
the devfs API. Contact the maintainer of that code for insight.
Regards,
Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
next prev parent reply other threads:[~2001-11-06 5:07 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-27 15:00 Poor floppy performance in kernel 2.4.10 Alain Knaff
2001-10-27 15:15 ` Alexander Viro
2001-10-27 17:12 ` Alain Knaff
2001-10-27 17:42 ` Alexander Viro
2001-10-27 18:00 ` Alain Knaff
2001-10-27 18:13 ` Alexander Viro
2001-10-27 18:26 ` Alexander Viro
2001-10-27 19:02 ` more devfs fun Alexander Viro
2001-10-27 19:16 ` Alexander Viro
2001-10-27 19:50 ` more devfs fun (Piled Higher and Deeper) Alexander Viro
2001-10-27 20:06 ` Alexander Viro
2001-10-27 21:09 ` Ryan Cumming
2001-10-27 21:22 ` Alexander Viro
2001-10-28 1:00 ` Rik van Riel
2001-10-28 8:45 ` Richard Gooch
2001-10-28 9:54 ` Alexander Viro
2001-10-28 12:27 ` Roman Zippel
2001-10-28 13:16 ` Alexander Viro
2001-10-28 22:31 ` Richard Gooch
2001-10-28 23:11 ` Alexander Viro
2001-10-27 21:01 ` Alexander Viro
2001-11-06 6:35 ` Richard Gooch
2001-11-06 7:10 ` Alexander Viro
2001-11-06 7:14 ` Richard Gooch
2001-11-06 7:17 ` Alexander Viro
2001-11-06 20:14 ` Richard Gooch
2001-10-28 10:06 ` Lorenzo Allegrucci
2001-11-06 5:21 ` Richard Gooch
2001-11-06 5:17 ` more devfs fun Richard Gooch
2001-11-06 5:06 ` Richard Gooch [this message]
2001-11-06 7:01 ` Poor floppy performance in kernel 2.4.10 Richard Gooch
2001-11-06 7:03 ` Alexander Viro
2001-12-09 5:38 ` Devfs races with block devices Richard Gooch
2001-11-06 7:19 ` Poor floppy performance in kernel 2.4.10 Richard Gooch
2001-11-06 7:22 ` Alexander Viro
2001-10-27 19:13 ` Alain Knaff
2001-10-27 19:19 ` Alexander Viro
2001-10-27 19:26 ` Alain Knaff
2001-10-28 20:40 ` Alain Knaff
2001-10-28 20:57 ` Peter T. Breuer
2001-10-29 5:38 ` Alain Knaff
2001-10-29 6:07 ` Alexander Viro
2001-10-29 6:34 ` Alain Knaff
2001-10-28 21:42 ` Alexander Viro
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