Allow to read descriptors via raw upiu. This in fact was forbidden just as
a precaution, as ufs-bsg actually enforces which functionality is
supported.
Signed-off-by: NAvri Altman <avri.altman@wdc.com>
Reviewed-by: NEvan Green <evgreen@chromium.org>
Reviewed-by: NBean Huo <beanhuo@micron.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>