[dm-devel] [PATCH] dm: add topology support
Martin K. Petersen
martin.petersen at oracle.com
Fri Jun 5 04:33:01 UTC 2009
>>>>> "Mike" == Mike Snitzer <snitzer at redhat.com> writes:
Mike,
+ if (blk_stack_limits(&ti->limits, &q->limits, 0) < 0)
+ DMWARN("%s: target device %s is misaligned",
+ dm_device_name(ti->table->md), bdevname(bdev, b));
I did some testing tonight. You're always passing offset 0 into the
stacking function so things are not working right. This argument should
contain the offset to the first (data) sector. So you want something
like get_start_sect(bdev) << 9 for the stacking to do its magic.
--
Martin K. Petersen Oracle Linux Engineering
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