From: David Woodhouse <dwmw2@infradead.org>
To: "dibacco@inwind.it" <dibacco@inwind.it>
Cc: linux-mtd <linux-mtd@lists.infradead.org>
Subject: Re: mmap on jffs2
Date: Wed, 21 Jul 2004 14:37:19 -0400 [thread overview]
Message-ID: <1090435039.4245.11.camel@localhost.localdomain> (raw)
In-Reply-To: <I17SEM$1DC26B36820863BFFC1F5CC60A6B7223@libero.it>
On Wed, 2004-07-21 at 20:23 +0200, dibacco@inwind.it wrote:
> Hi,
>
> I have a problem mapping a file opened with flag O_RDWR. This file is
> housed on a jffs2 file system that currently lives on simple ram.
> Could you give me an hint where to search for a possible solution? If
> I open the file in O_RDONLY mode the mapping is done, instead with
> O_RDWR mmap returns -EINVAL.
JFFS2 does not support shared writable mapping. This is a feature :)
Use MAP_PRIVATE instead of MAP_SHARED.
--
dwmw2
next prev parent reply other threads:[~2004-07-21 18:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-21 18:23 mmap on jffs2 dibacco
2004-07-21 12:52 ` Carlos Manuel Duclos Vergara
2004-07-21 18:37 ` David Woodhouse [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-04-20 14:00 leeyang
2003-04-22 9:33 ` Jörn Engel
2003-04-23 7:30 ` David Woodhouse
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