123 	struct blk_shadow shadow[BLK_RING_SIZE];  member
175 	info->shadow_free = info->shadow[free].req.u.rw.id;  in get_id_from_freelist()
176 	info->shadow[free].req.u.rw.id = 0x0fffffee; /* debug */  in get_id_from_freelist()
183 	if (info->shadow[id].req.u.rw.id != id)  in add_id_to_freelist()
185 	if (info->shadow[id].request == NULL)  in add_id_to_freelist()
187 	info->shadow[id].req.u.rw.id  = info->shadow_free;  in add_id_to_freelist()
188 	info->shadow[id].request = NULL;  in add_id_to_freelist()
439 	info->shadow[id].request = req;  in blkif_queue_request()
455 		nseg = blk_rq_map_sg(req->q, req, info->shadow[id].sg);  in blkif_queue_request()
486 		for_each_sg(info->shadow[id].sg, sg, nseg, i) {  in blkif_queue_request()
509 				info->shadow[id].indirect_grants[n] = gnt_list_entry;  in blkif_queue_request()
517 			info->shadow[id].grants_used[i] = gnt_list_entry;  in blkif_queue_request()
566 	info->shadow[id].req = *ring_req;  in blkif_queue_request()
972 		if (!info->shadow[i].request)  in blkif_free()
975 		segs = info->shadow[i].req.operation == BLKIF_OP_INDIRECT ?  in blkif_free()
976 		       info->shadow[i].req.u.indirect.nr_segments :  in blkif_free()
977 		       info->shadow[i].req.u.rw.nr_segments;  in blkif_free()
979 			persistent_gnt = info->shadow[i].grants_used[j];  in blkif_free()
986 		if (info->shadow[i].req.operation != BLKIF_OP_INDIRECT)  in blkif_free()
994 			persistent_gnt = info->shadow[i].indirect_grants[j];  in blkif_free()
1001 		kfree(info->shadow[i].grants_used);  in blkif_free()
1002 		info->shadow[i].grants_used = NULL;  in blkif_free()
1003 		kfree(info->shadow[i].indirect_grants);  in blkif_free()
1004 		info->shadow[i].indirect_grants = NULL;  in blkif_free()
1005 		kfree(info->shadow[i].sg);  in blkif_free()
1006 		info->shadow[i].sg = NULL;  in blkif_free()
1150 		req  = info->shadow[id].request;  in blkif_interrupt()
1153 			blkif_completion(&info->shadow[id], info, bret);  in blkif_interrupt()
1184 				     info->shadow[id].req.u.rw.nr_segments == 0)) {  in blkif_interrupt()
1409 		info->shadow[i].req.u.rw.id = i+1;  in blkfront_probe()
1410 	info->shadow[BLK_RING_SIZE-1].req.u.rw.id = 0x0fffffff;  in blkfront_probe()
1455 	copy = kmemdup(info->shadow, sizeof(info->shadow),  in blkif_recover()
1461 	memset(&info->shadow, 0, sizeof(info->shadow));  in blkif_recover()
1463 		info->shadow[i].req.u.rw.id = i+1;  in blkif_recover()
1465 	info->shadow[BLK_RING_SIZE-1].req.u.rw.id = 0x0fffffff;  in blkif_recover()
1705 		info->shadow[i].grants_used = kzalloc(  in blkfront_setup_indirect()
1706 			sizeof(info->shadow[i].grants_used[0]) * segs,  in blkfront_setup_indirect()
1708 		info->shadow[i].sg = kzalloc(sizeof(info->shadow[i].sg[0]) * segs, GFP_NOIO);  in blkfront_setup_indirect()
1710 			info->shadow[i].indirect_grants = kzalloc(  in blkfront_setup_indirect()
1711 				sizeof(info->shadow[i].indirect_grants[0]) *  in blkfront_setup_indirect()
1714 		if ((info->shadow[i].grants_used == NULL) ||  in blkfront_setup_indirect()
1715 			(info->shadow[i].sg == NULL) ||  in blkfront_setup_indirect()
1717 		     (info->shadow[i].indirect_grants == NULL)))  in blkfront_setup_indirect()
1719 		sg_init_table(info->shadow[i].sg, segs);  in blkfront_setup_indirect()
1727 		kfree(info->shadow[i].grants_used);  in blkfront_setup_indirect()
1728 		info->shadow[i].grants_used = NULL;  in blkfront_setup_indirect()
1729 		kfree(info->shadow[i].sg);  in blkfront_setup_indirect()
1730 		info->shadow[i].sg = NULL;  in blkfront_setup_indirect()
1731 		kfree(info->shadow[i].indirect_grants);  in blkfront_setup_indirect()
1732 		info->shadow[i].indirect_grants = NULL;  in blkfront_setup_indirect()