use_persistent_gnts  816 drivers/block/xen-blkback/blkback.c 	int use_persistent_gnts;
use_persistent_gnts  819 drivers/block/xen-blkback/blkback.c 	use_persistent_gnts = (blkif->vbd.feature_gnt_persistent);
use_persistent_gnts  830 drivers/block/xen-blkback/blkback.c 		if (use_persistent_gnts) {
use_persistent_gnts  850 drivers/block/xen-blkback/blkback.c 			if (!use_persistent_gnts && ro)
use_persistent_gnts  886 drivers/block/xen-blkback/blkback.c 		if (use_persistent_gnts &&
use_persistent_gnts  917 drivers/block/xen-blkback/blkback.c 		if (use_persistent_gnts && !blkif->vbd.overflow_max_grants) {