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From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
Cc: Axel Kittenberger <Axel.Kittenberger@maxxio.at>,
	linux-kernel@vger.kernel.org,
	Marcelo Tosatti <marcelo@conectiva.com.br>
Subject: Re: Patch, forward release() return values to the close() call
Date: Thu, 21 Mar 2002 04:18:05 -0500	[thread overview]
Message-ID: <3C99A54D.1050206@mandrakesoft.com> (raw)
In-Reply-To: <200203210747.IAA25949@merlin.gams.co.at> <3C99997C.6030202@mandrakesoft.com> <16nyaE-1ala7MC@fmrl01.sul.t-online.com>

Oliver Neukum wrote:

>On Thursday 21 March 2002 09:27, Jeff Garzik wrote:
>
>>Whoops, my apologies.  The patch looks ok to me.
>>
>>I read your text closely and the patch not close enough.  As I said, it
>>is indeed wrong for a device driver to fail f_op->release(), "fail"
>>being defined as leaving fd state lying around, assuming that the system
>>will fail the fput().
>>
>>But your patch merely propagates a return value, not change behavior,
>>which seems sane to me.
>>
>
>Hi,
>
>close() does not directly map to release().
>If you want your device to return error
>information reliably, you need to implement flush().
>

Agreed.

I still think propagating f_op->release's return value is a good idea, 
though.

    Jeff




  reply	other threads:[~2002-03-21  9:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-21  7:47 Patch, forward release() return values to the close() call Axel Kittenberger
2002-03-21  8:13 ` Jeff Garzik
2002-03-21 16:32   ` David Brown
2002-03-22  7:58     ` Axel Kittenberger
2002-03-22 13:51       ` David Brown
2002-03-25  9:50         ` Axel Kittenberger
2002-03-25 13:33           ` David Brown
2002-03-26  8:52             ` Axel Kittenberger
2002-03-21  8:21 ` Jeff Garzik
2002-03-21  8:27 ` Jeff Garzik
2002-03-21  9:10   ` Oliver Neukum
2002-03-21  9:18     ` Jeff Garzik [this message]
2002-03-21 10:14       ` Oliver.Neukum
     [not found] <mailman.1016697001.29134.linux-kernel2news@redhat.com>
     [not found] ` <200203211845.g2LIjTu22218@devserv.devel.redhat.com>
2002-03-22  8:06   ` Axel Kittenberger
2002-03-22  8:53     ` Pete Zaitcev

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