>>>>> "Mike" == Mike Snitzer <snitzer@xxxxxxxxxx> writes: Mike> create_log_context() must use the logical_block_size from the log Mike> disk rather than the target's logical_block_size. Mike> buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + Mike> bitset_size, Mike> - ti->limits.logical_block_size); Mike> + q->limits.logical_block_size); Please use the accessor functions when possible. bdev_logical_block_size(lc->header_location.bdev) to the rescue.... -- Martin K. Petersen Oracle Linux Engineering -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel