>>>>> "Karel" == Karel Zak <kzak@xxxxxxxxxx> writes: Karel> On Mon, Feb 16, 2009 at 09:34:52AM -0500, Christoph Hellwig wrote: >> On Mon, Feb 16, 2009 at 01:09:38PM +0100, Karel Zak wrote: >> > TODO ---- >> * add stripe size / alignment retrival support to libbkid for use >> with mkfs. This would allow to deprecate libdisk from xfsprogs (1) >> in favour of a common libblkid Karel> Added to TODO. My I/O topology patches are finally shaping up and I expect to post them later this week. Turned out to be much, much harder than expected to get it right for the various RAID modes. My patches will give us alignment and minimum/optimal/maximum I/O sizes for each block device in sysfs. >> (1) >> http://git.kernel.org/?p=fs/xfs/xfsprogs-dev.git;a=tree;f=libdisk; Karel> That would be nice to have something better than Karel> exec(/sbin/dmsetup) in shared library. It seems that DM Karel> developers have no clue about /sys/block :-( When the LVM stripe extraction code was originally written I was explicitly asked to call the lvm commands instead of poking around with liblvm and internal data structures. The command output was considered part of the API. That in turn spilled over to DM, I guess... -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
