From: Artem Bityutskiy <dedekind1@gmail.com>
To: Jon Ringle <jon@ringle.org>
Cc: linux-mtd@lists.infradead.org
Subject: Re: detecting that ubifs switched to ro after problem
Date: Sun, 13 Jun 2010 13:07:03 +0300 [thread overview]
Message-ID: <1276423623.19028.213.camel@localhost> (raw)
In-Reply-To: <1276422454.19028.209.camel@localhost>
On Sun, 2010-06-13 at 12:47 +0300, Artem Bityutskiy wrote:
> On Fri, 2010-06-11 at 22:46 -0400, Jon Ringle wrote:
> > Hi,
> >
> > I'd like to be able to somehow detect that ubifs has taken the action
> > of switching from rw to ro due to some error detected in the ubifs
> > filesystem. If I can detect this then maybe I can do something about
> > it, such as copying the ubifs contents to a .tar.bz2 in /tmp,
> > mkfs.ubifs, and restore .tar.bz2 back again.
> >
> > Is there a way I can do this?
>
> I think with 2fde99cb55fb9d9b88180512a5e8a5d939d27fec you can check for
> R/O state from /proc/mounts. Also, you can use something like inotify to
> watch /proc/mounts changes and react if UBIFS became r/o.
Just added:
http://www.linux-mtd.infradead.org/faq/ubifs.html#L_detect_ro
for your convenience.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2010-06-13 10:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-12 2:46 detecting that ubifs switched to ro after problem Jon Ringle
2010-06-13 9:47 ` Artem Bityutskiy
2010-06-13 10:07 ` Artem Bityutskiy [this message]
2010-06-14 15:15 ` Jon Ringle
2010-06-16 6:44 ` Artem Bityutskiy
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