From: Artem Bityutskiy <dedekind1@gmail.com>
To: Daniel Mack <daniel@caiaq.de>
Cc: linux-kernel@vger.kernel.org,
Artem Bityutskiy <dedekind@infradead.org>,
Adrian Hunter <ext-adrian.hunter@nokia.com>,
linux-mtd@lists.infradead.org
Subject: Re: [PATCH] ubifs: allow more than one volume to be mounted
Date: Thu, 02 Jul 2009 18:17:45 +0300 [thread overview]
Message-ID: <4A4CCF99.30104@gmail.com> (raw)
In-Reply-To: <1246547747-13366-1-git-send-email-daniel@caiaq.de>
Daniel Mack wrote:
> UBIFS uses a bdi device per volume, but does not care to hand out unique
> names to each of them. This causes an error when trying to mount more
> than one volumes.
>
> [ 239.277407] kobject_add_internal failed for ubifs with -EEXIST, don't try to register things with the same name in the same directory.
> [ 239.289618] [<c002a45c>] (unwind_backtrace+0x0/0xdc) from [<c0160628>] (kobject_add_internal+0x188/0x1b8)
> [ 239.299445] [<c0160628>] (kobject_add_internal+0x188/0x1b8) from [<c01607d8>] (kobject_add+0x48/0x5c)
> [ 239.308896] [<c01607d8>] (kobject_add+0x48/0x5c) from [<c019d96c>] (device_add+0xac/0x510)
> [ 239.317392] [<c019d96c>] (device_add+0xac/0x510) from [<c019de58>] (device_create_vargs+0x70/0xa4)
> [ 239.326589] [<c019de58>] (device_create_vargs+0x70/0xa4) from [<c0073138>] (bdi_register+0x44/0x64)
> [ 239.335854] [<c0073138>] (bdi_register+0x44/0x64) from [<c01249f0>] (ubifs_get_sb+0x3c8/0x10cc)
> [ 239.344769] [<c01249f0>] (ubifs_get_sb+0x3c8/0x10cc) from [<c008b054>] (vfs_kern_mount+0x50/0xa8)
> [ 239.353867] [<c008b054>] (vfs_kern_mount+0x50/0xa8) from [<c008b0f0>] (do_kern_mount+0x34/0xd0)
> [ 239.362799] [<c008b0f0>] (do_kern_mount+0x34/0xd0) from [<c009f7b4>] (do_mount+0x644/0x6b4)
> [ 239.371377] [<c009f7b4>] (do_mount+0x644/0x6b4) from [<c009f8a8>] (sys_mount+0x84/0xcc)
> [ 239.379538] [<c009f8a8>] (sys_mount+0x84/0xcc) from [<c0025e80>] (ret_fast_syscall+0x0/0x2c)
>
> Append the UBI volume and device ID to avoid that.
>
> Signed-off-by: Daniel Mack <daniel@caiaq.de>
> Cc: Artem Bityutskiy <dedekind@infradead.org>
> Cc: Adrian Hunter <ext-adrian.hunter@nokia.com>
> Cc: linux-mtd@lists.infradead.org
Thanks, I'll look at this tomorrow and try to sent it to Linus
ASAP.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2009-07-02 15:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-02 15:15 [PATCH] ubifs: allow more than one volume to be mounted Daniel Mack
2009-07-02 15:17 ` Artem Bityutskiy [this message]
2009-07-02 15:27 ` Daniel Mack
2009-07-02 15:34 ` Artem Bityutskiy
2009-07-03 6:48 ` Artem Bityutskiy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A4CCF99.30104@gmail.com \
--to=dedekind1@gmail.com \
--cc=daniel@caiaq.de \
--cc=dedekind@infradead.org \
--cc=ext-adrian.hunter@nokia.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox