target: Enable global EXTENDED_COPY setup/release

Add calls to target_xcopy_setup_pt() + target_xcopy_release_pt() to
target_core_init_configfs() and target_core_exit_configfs()
respectively.

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: Roland Dreier <roland@purestorage.com>
Cc: Zach Brown <zab@redhat.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: NNicholas Bellinger <nab@daterainc.com>

drivers/target/target_core_configfs.c

@@ -48,6 +48,7 @@
 #include "target_core_alua.h"
 #include "target_core_pr.h"
 #include "target_core_rd.h"
+#include "target_core_xcopy.h"
 
 extern struct t10_alua_lu_gp *default_lu_gp;
 
@@ -2935,6 +2936,10 @@ static int __init target_core_init_configfs(void)
 	if (ret < 0)
 		goto out;
 
+	ret = target_xcopy_setup_pt();
+	if (ret < 0)
+		goto out;
+
 	return 0;
 
 out:
@@ -3007,6 +3012,7 @@ static void __exit target_core_exit_configfs(void)
 
 	core_dev_release_virtual_lun0();
 	rd_module_exit();
+	target_xcopy_release_pt();
 	release_se_kmem_caches();
 }