tree 8529f618d056dff82c86f35ebbe032e03941e2be
parent 80b1a1180e4e72fed893e5aba73fe7ccea7aa30e
author Damien Le Moal <damien.lemoal@wdc.com> 1484202310 +0900
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1499258420 +0200

scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type


[ Upstream commit 26f2819772af891dee2843e1f8662c58e5129d5f ]

Zoned block devices force the use of READ/WRITE(16) commands by setting
sdkp->use_16_for_rw and clearing sdkp->use_10_for_rw. This result in
DPOFUA always being disabled for these drives as the assumed use of
the deprecated READ/WRITE(6) commands only looks at sdkp->use_10_for_rw.
Strenghten the test by also checking that sdkp->use_16_for_rw is false.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>