From: Karel Zak <kzak@redhat.com>
To: Phillip Susi <psusi@cfl.rr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] Add BLKPG_GET_PARTITION operation
Date: Thu, 8 Dec 2011 13:35:34 +0100 [thread overview]
Message-ID: <20111208123534.GB16493@nb.redhat.com> (raw)
In-Reply-To: <4ED6F340.9050000@cfl.rr.com>
On Wed, Nov 30, 2011 at 10:23:44PM -0500, Phillip Susi wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Add a new operation to the BLKPG ioctl to read the partition.
> This allows user space to find the current start and length
> of a partition without having to open the partition and use
> the long depreciated HDIO_GETGEO ioctl.
$ cat /sys/block/sda/sda1/{size,start}
4096000
2048
...is probably the best way if you want to avoid problems with
permissions and deprecated (or all) ioctls :-)
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
next prev parent reply other threads:[~2011-12-08 12:35 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1322709471.git.psusi@cfl.rr.com>
2011-12-01 3:23 ` [PATCH 1/2] Add partition resize function to BLKPG ioctl Phillip Susi
2011-12-08 12:30 ` Karel Zak
2011-12-08 14:22 ` Phillip Susi
2011-12-08 15:16 ` Karel Zak
2011-12-08 15:25 ` Phillip Susi
2011-12-08 15:58 ` Vivek Goyal
2011-12-08 16:06 ` Phillip Susi
2011-12-08 16:28 ` Vivek Goyal
2011-12-08 16:55 ` Phillip Susi
2011-12-09 2:53 ` Phillip Susi
2011-12-12 14:53 ` Vivek Goyal
2011-12-12 17:43 ` Phillip Susi
2011-12-12 17:49 ` Joe Perches
2011-12-12 18:04 ` Vivek Goyal
2011-12-13 0:15 ` Phillip Susi
2011-12-13 0:16 ` Phillip Susi
2011-12-13 0:16 ` [PATCH 2/2] Add BLKPG_GET_PARTITION operation Phillip Susi
2011-12-19 20:25 ` [PATCH 1/2] Add partition resize function to BLKPG ioctl Vivek Goyal
2011-12-21 1:53 ` Phillip Susi
2011-12-21 1:54 ` Phillip Susi
2011-12-21 1:54 ` [PATCH 2/2] Add BLKPG_GET_PARTITION operation Phillip Susi
2011-12-21 20:46 ` [PATCH 1/2] Add partition resize function to BLKPG ioctl Vivek Goyal
2011-12-24 21:36 ` Phillip Susi
2011-12-24 22:21 ` Phillip Susi
2011-12-24 22:21 ` [PATCH 2/2] Add BLKPG_GET_PARTITION operation Phillip Susi
2011-12-01 3:23 ` Phillip Susi
2011-12-08 12:35 ` Karel Zak [this message]
2011-12-08 14:25 ` Phillip Susi
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