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From: "H. Peter Anvin" <hpa@zytor.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>,
	linux-kernel@vger.kernel.org, cotte@de.ibm.com, hugh@veritas.com,
	neilb@suse.de, zanussi@us.ibm.com,
	Linus Torvalds <torvalds@osdl.org>,
	hch@infradead.org
Subject: Re: [PATCH] sendfile removal
Date: Thu, 31 May 2007 22:50:37 -0700	[thread overview]
Message-ID: <465FB3AD.5030807@zytor.com> (raw)
In-Reply-To: <20070601054120.GI32105@kernel.dk>

Jens Axboe wrote:
>>>
>> I would personally argue that sendfile() blocking on an O_NONBLOCK
>> desriptor, as opposed to returning EAGAIN, is a bug, and a fairly
>> serious such.
> 
> I agree, but it's still a change in behaviour. Even if we consider the
> app buggy (it is), can we potentially break it?
> 

It depends on which app it is, of course.  However, I think we have to
smoke that out the hard way.  I don't think we should retain a bug in
the kernel just because some unknown app might depend on that bug --
taking that to the extreme  we could never fix bugs at all...

	-hpa

  reply	other threads:[~2007-06-01  5:54 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-31 10:33 [PATCH] sendfile removal Jens Axboe
2007-05-31 10:47 ` Jens Axboe
2007-05-31 10:47 ` Eric Dumazet
2007-05-31 10:53   ` Jens Axboe
2007-06-01  4:09     ` H. Peter Anvin
2007-06-01  5:41       ` Jens Axboe
2007-06-01  5:50         ` H. Peter Anvin [this message]
2007-06-01  7:22           ` Eric Dumazet
2007-06-01 15:52             ` H. Peter Anvin
2007-06-01 16:18               ` Linus Torvalds
2007-06-01 16:47                 ` Eric Dumazet
2007-06-01 16:53                 ` H. Peter Anvin
2007-06-02 15:02                   ` Jens Axboe
2007-06-02 15:01                 ` Jens Axboe
2007-06-02 15:40                   ` Linus Torvalds
2007-06-02 16:35                     ` Jens Axboe
2007-06-03 13:05                     ` Fengguang Wu
2007-06-03 13:05                       ` Fengguang Wu
2007-06-03 14:29                       ` Fengguang Wu
2007-06-03 14:29                         ` Fengguang Wu
2007-06-04  0:46                         ` Fengguang Wu
2007-06-04  0:46                           ` Fengguang Wu
2007-06-04  8:05                           ` Jens Axboe
2007-06-04 11:22                             ` Fengguang Wu
2007-06-04 11:22                               ` Fengguang Wu
2007-06-01 16:22               ` Pádraig Brady
2007-05-31 10:55 ` Christoph Hellwig
2007-05-31 11:05   ` Jens Axboe
2007-05-31 12:26     ` Neil Brown
2007-05-31 12:27       ` Jens Axboe
2007-06-01  2:44         ` [PATCH] sendfile removal (nfsd update) Neil Brown
2007-06-01  5:44           ` Jens Axboe
2007-06-01  8:01             ` Jens Axboe
2007-06-01  8:15     ` [PATCH] sendfile removal Jens Axboe
2007-05-31 11:04 ` Carsten Otte
2007-05-31 11:06   ` Jens Axboe
2007-05-31 15:33 ` Tom Zanussi
2007-05-31 19:01   ` Jens Axboe
2007-05-31 17:06 ` Hugh Dickins
2007-05-31 17:31   ` Christoph Hellwig
2007-05-31 19:03   ` Jens Axboe

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