target: remove the t_tasks_fua se_cmd field

And use a SCF_FUA flag instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cdd47e8..3821132 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -438,7 +438,7 @@
 		if (ret > 0 &&
 		    dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
 		    dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-		    cmd->t_tasks_fua) {
+		    (cmd->se_cmd_flags & SCF_FUA)) {
 			/*
 			 * We might need to be a bit smarter here
 			 * and return some sense data to let the initiator