From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Franck Jullien <franck.jullien@gmail.com>
Cc: barebox <barebox@lists.infradead.org>
Subject: Re: [RFC][FAT] Handle MBR on the first sector
Date: Fri, 14 Sep 2012 11:04:29 +0200 [thread overview]
Message-ID: <20120914090429.GB25990@game.jcrosoft.org> (raw)
In-Reply-To: <CAJfOKBydgM3oTtHM-J+0i6n4kCiEz1jxp+2FhYnn+fC2Mou5Tg@mail.gmail.com>
On 11:02 Fri 14 Sep , Franck Jullien wrote:
>
> 2012/9/14 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>:
> >
> > On 10:47 Fri 14 Sep , Franck Jullien wrote:
> >>
> >> 2012/9/14 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>:
> >> >
> >> > On 09:25 Fri 14 Sep , Sascha Hauer wrote:
> >> >>
> >> >> On Fri, Sep 14, 2012 at 09:22:07AM +0200, Franck Jullien wrote:
> >> >> > 2012/9/14 Sascha Hauer <s.hauer@pengutronix.de>:
> >> >> > > Hi Franck,
> >> >> > >
> >> >> > > On Thu, Sep 13, 2012 at 02:13:29PM +0200, Franck Jullien wrote:
> >> >> > >> *** Did not send this email with git because it's no working where I am **
> >> >> > >>
> >> >> > >> We may have some disk with MBR as a first sector. In this case, the
> >> >> > >> current FAT check returns an error. However, the FAT sector exist and
> >> >> > >> the MBR can tell us where it is.
> >> >> > >>
> >> >> > >> This patch make the FAT fs try to find the FAT boot sector on the first
> >> >> > >> sector of the first partition in case it is not on sector 0.
> >> >> > >
> >> >> > > The patch looks good. Not applying it because it's RFC, but I would if
> >> >> > > you give your ok.
> >> >> > >
> >> >> >
> >> >> > You have it.
> >> >>
> >> >> Thanks, applied
> >> >
> >> > Does this work with the fat autodetection
> >> >
> >> > Best Regards,
> >> > J.
> >>
> >> What do you mean ?
> >>
> >> It works when you mount your device as FAT. The FAT fs check is the
> >> first sector is FAT boot sector. If not, it suppose it is an MBR and
> >> the FAT boot sector is in the first partition.
> > check the the next branch
> >
> > I add the fs detection to do not specify the filesystem type anymore in mount
> >
> > Best Regards,
> > J.
>
> It won't. We need to check if it is an MBR here too (static int
> is_fat(u8 *buf)) ....
please fix it there too
Best Regards,
J.
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next prev parent reply other threads:[~2012-09-14 9:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 12:13 Franck Jullien
2012-09-14 7:18 ` Sascha Hauer
2012-09-14 7:22 ` Franck Jullien
2012-09-14 7:25 ` Sascha Hauer
2012-09-14 7:44 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-14 8:47 ` Franck Jullien
2012-09-14 8:50 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-14 9:02 ` Franck Jullien
2012-09-14 9:04 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-09-14 9:06 ` Franck Jullien
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