On 02/06/17 02:10, 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.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reported-by: Junichi Nomura <j-nomura@xxxxxxxxxxxxx>
> Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout")
Thank you. I tested your patch and confirmed it works for me.
--
Jun'ichi Nomura, NEC Corporation / NEC Solution Innovators, Ltd.
