Messages in this thread | | | Date | Thu, 8 Dec 2011 13:35:34 +0100 | From | Karel Zak <> | Subject | Re: [PATCH 2/2] Add BLKPG_GET_PARTITION operation |
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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
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