On Mon, Oct 22, 2012 at 06:15:57PM +0530, Venkatraman S wrote:
> blkid_probe_enable_topology(pr, 1);
This is strings based interface (NAME=value). It's probably
better to use:
tp = blkid_probe_get_topology(pr);
blkid_topology_get_alignment_offset(tp);
see libblkid/samples/topology.c.
> I am able to get to the property value (which is set from the sysfs
> value for the disk).
>
> But when mkswap is invokded with /dev/sdbX, then sysfs_probe is not
> able to discover the parent disk's sysfs property.
Really? It should be able to translate the partition name to the
whole-disk name and us it.
# ./sample-topology /dev/sdd1
----- binary interface:
alignment offset : 0
minimum io size : 4096
optimal io size : 262144
logical sector size : 4096
physical sector size : 4096
----- NAME=value interface (values: 4):
MINIMUM_IO_SIZE = 4096
OPTIMAL_IO_SIZE = 262144
PHYSICAL_SECTOR_SIZE = 4096
LOGICAL_SECTOR_SIZE = 4096
> Any help would be great.
What exactly is your goal?
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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