On Wed, Apr 27, 2011 at 06:25:25PM +0100, Joe Thornber wrote: > tc->block_size is in sectors (you are passing sectors on the target > line?). > > What's probably happening here is we should be doing: > > blk_limits_io_opt(limits, min(<some theoretical max>, tc->block_size << SECTOR_SHIFT)); Yes, that should do it. I don't even think we need the max, the optimum I/O size is a 32-bit value and we'll reach the limit of the possible block sizes much earlier. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
