On 02/05/2017 10:10 AM, Christoph Hellwig wrote: > Write Same can return an error asynchronously if it turns out the > underlying SCSI device does not support Write Same, which makes a > proper fallback to other methods in __blkdev_issue_zeroout impossible. > Thus only issue a Write Same from blkdev_issue_zeroout an don't try it > at all from __blkdev_issue_zeroout as a non-invasive workaround.
Thanks, added for 4.10. -- Jens Axboe
