target: Allow PERSISTENT RESERVE IN for non-reservation holder

Initiators that aren't the active reservation holder should be able to
do a PERSISTENT RESERVE IN command in all cases, so add it to the list
of allowed CDBs in core_scsi3_pr_seq_non_holder().

Signed-off-by: Marco Sanvido <marco@purestorage.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index d14860ff25082d7bd98016a8cc04c200fb9343cc..68c71cd7a88e1a4281cfaa110e33e85bc11588fa 100644 (file)
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -478,6 +478,7 @@ static int core_scsi3_pr_seq_non_holder(
        case READ_MEDIA_SERIAL_NUMBER:
        case REPORT_LUNS:
        case REQUEST_SENSE:
+       case PERSISTENT_RESERVE_IN:
                ret = 0; /*/ Allowed CDBs */
                break;
        default: