On Fri, Sep 18 2009, Jens Axboe wrote: > On Sat, Sep 19 2009, Jun'ichi Nomura wrote: > > This patch is a preparation for the last patch in this patchset > > which changes blk_set_default_limits() to set 0 to max_sectors. > > > > dm uses blk_stack_limits() to merge limits of underlying devices > > and copy the end result to the queue. > > But if there's no underlying device (like 'zero' target), > > max_sectors/max_hw_sectors are left unchanged from the default 0 > > and just copying it to the queue causes problems. > > > > Provide blk_queue_copy_limits() to get a safe copy with > > invalid values fixed-up. > > Added for 2.6.32. And removed, it's white space damaged and doesn't apply to the current tree. -- Jens Axboe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
