target: Convert se_cmd->t_bidi_data_sg checks to use SCF_BIDI

Stop keying off se_cmd->t_bidi_data_sg within transport_complete_qf()
+ target_complete_ok_work(), and just use SCF_BIDI instead.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Chris Mason <chris.mason@fusionio.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@daterainc.com>

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3d3dc97..781859e 100644 (file)
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1832,7 +1832,7 @@ static void transport_complete_qf(struct se_cmd *cmd)
                ret = cmd->se_tfo->queue_data_in(cmd);
                break;
        case DMA_TO_DEVICE:
-               if (cmd->t_bidi_data_sg) {
+               if (cmd->se_cmd_flags & SCF_BIDI) {
                        ret = cmd->se_tfo->queue_data_in(cmd);
                        if (ret < 0)
                                break;
@@ -1947,7 +1947,7 @@ static void target_complete_ok_work(struct work_struct *work)
                /*
                 * Check if we need to send READ payload for BIDI-COMMAND
                 */
-               if (cmd->t_bidi_data_sg) {
+               if (cmd->se_cmd_flags & SCF_BIDI) {
                        spin_lock(&cmd->se_lun->lun_sep_lock);
                        if (cmd->se_lun->lun_sep) {
                                cmd->se_lun->lun_sep->sep_stats.tx_data_octets +=