Damien, > Reporting a maximum number of blocks that is not aligned on the device > physical size would cause a large write same request to be split into > physically unaligned chunks by __blkdev_issue_write_zeroes() and > __blkdev_issue_write_same(), even if the caller of these functions > took care to align its request to physical sectors. Applied to 4.15/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering