[dm-devel] [PATCH 2/3] block: require write_same and discard requests align to logical block size

[Bart Van Assche]

On 06/17/2016 03:19 AM, Darrick J. Wong wrote:
> Make sure that the offset and length arguments that we're using to
> construct WRITE SAME and DISCARD requests are actually aligned to the
> logical block size.  Failure to do this causes other errors in other
> parts of the block layer or the SCSI layer because disks don't support
> partial logical block writes.
>
> Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>

Reviewed-by: Bart Van Assche <bart.vanassche at sandisk.com>