From: Christoph Rohland <cr@sap.com>
To: Pierre Etchemaite <petchema@concept-micro.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: tmpfs + sendfile bug ?
Date: 21 May 2001 18:57:07 +0200 [thread overview]
Message-ID: <m3bsomwsgs.fsf@linux.local> (raw)
In-Reply-To: <XFMail.20010521183553.petchema@concept-micro.com>
In-Reply-To: <XFMail.20010521183553.petchema@concept-micro.com>
Hi Pierre,
On Mon, 21 May 2001, Pierre Etchemaite wrote:
> I just found a problem GETting a file stored in tmpfs using proftpd;
> I always get a "426 Transfer aborted. Data connection closed."
>
> That could be a bug with tmpfs and sendfile in 2.4.5-pre4 :
>
> [...]
> read(8, "%PDF-1.4\r%\342\343\317\323\r\n870 0 obj\r<< \r/L"..., 8192) = 8192
> shmat(11, 0x4cfe65, 0x3) = 0xbffff4d4
> sendfile(11, 8, [0], 5045861) = -1 EINVAL (Invalid argument)
> [...]
>
> Any idea ?
That's probably the same reason why tmpfs and loopback do not work
together:
tmpfs does not provide the necessary functions for sendfile and lo:
readpage, prepare_write and commitwrite.
And I do not see a way how to provide readpage in tmpfs :-(
Greetings
Christoph
next prev parent reply other threads:[~2001-05-21 16:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-21 16:35 tmpfs + sendfile bug ? Pierre Etchemaite
2001-05-21 16:57 ` Christoph Rohland [this message]
2001-05-21 22:01 ` Linus Torvalds
[not found] ` <200105212201.PAA17247@penguin.transmeta.com>
2001-05-22 6:50 ` Christoph Rohland
2001-05-21 18:49 ` David Schwartz
2001-05-21 22:44 ` Pierre Etchemaite
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