[dm-devel] [PATCH 1/3] block: Add blk_queue_copy_limits()
Martin K. Petersen
martin.petersen at oracle.com
Sun Sep 20 21:00:24 UTC 2009
>>>>> "Jun'ichi" == Jun'ichi Nomura <j-nomura at ce.jp.nec.com> writes:
Jun'ichi> Umm, with this, BLK_DEF_MAX_SECTORS becomes upper bound of
Jun'ichi> max_hw_sectors and the values of underlying devices are not
Jun'ichi> propagated to the stacking devices.
Well, max_sectors is already bounded by this. max_hw_sectors only
really matters for PC commands, so I'm not sure it's a big deal for
DM. But I guess we could set the default max_hw_sectors to -1.
I'm just trying to avoid these scattered if-0-set-it-to-something-else
cases. I'd much rather have the defaults do the right thing.
--
Martin K. Petersen Oracle Linux Engineering
More information about the dm-devel
mailing list