From: Martin Schewe <m@xsms.de>
To: Jeff Meininger <jeffm@boxybutgood.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: how to map "/dev/root" to "/proc/partitions" entry in user prog?
Date: Wed, 15 May 2002 17:33:49 +0200 [thread overview]
Message-ID: <20020515153349.GA27312@linux01.gwdg.de> (raw)
In-Reply-To: <Pine.LNX.4.44.0205141554240.2160-100000@spaz.localdomain>
[-- Attachment #1: Type: text/plain, Size: 503 bytes --]
Hi,
On Tue, May 14, 2002 at 04:12:18PM -0500, Jeff Meininger wrote:
> How can I reliably map /dev/root to the corresponding entry in
> /proc/partitions? Is there some /proc thing I'm missing, or is there an
> ioctl that can give me the information I'm looking for?
If you use devfs, you can check /dev/root, which is a symlink to your
root device:
readlink("/dev/root", rootdev, PATH_MAX);
Otherwise you should take a look at busybox/libbb/find_root_device.c.
Regards,
Martin
[-- Attachment #2: Type: application/pgp-signature, Size: 240 bytes --]
prev parent reply other threads:[~2002-05-15 15:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-14 21:12 how to map "/dev/root" to "/proc/partitions" entry in user prog? Jeff Meininger
2002-05-14 21:26 ` Miquel van Smoorenburg
2002-05-15 15:39 ` Denis Vlasenko
2002-05-15 15:33 ` Martin Schewe [this message]
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=20020515153349.GA27312@linux01.gwdg.de \
--to=m@xsms.de \
--cc=jeffm@boxybutgood.com \
--cc=linux-kernel@vger.kernel.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