143 	struct blk_shadow shadow[BLK_MAX_RING_SIZE];  member
208 	info->shadow_free = info->shadow[free].req.u.rw.id;  in get_id_from_freelist()
209 	info->shadow[free].req.u.rw.id = 0x0fffffee; /* debug */  in get_id_from_freelist()
216 	if (info->shadow[id].req.u.rw.id != id)  in add_id_to_freelist()
218 	if (info->shadow[id].request == NULL)  in add_id_to_freelist()
220 	info->shadow[id].req.u.rw.id  = info->shadow_free;  in add_id_to_freelist()
221 	info->shadow[id].request = NULL;  in add_id_to_freelist()
468 	info->shadow[id].request = req;  in blkif_queue_discard_req()
482 	info->shadow[id].req = *ring_req;  in blkif_queue_discard_req()
511 	struct blk_shadow *shadow = &info->shadow[setup->id];  in blkif_setup_rw_req_grant()  local
520 		shadow->indirect_grants[n] = gnt_list_entry;  in blkif_setup_rw_req_grant()
527 	shadow->grants_used[grant_idx] = gnt_list_entry;  in blkif_setup_rw_req_grant()
618 	info->shadow[id].request = req;  in blkif_queue_rw_req()
625 	num_sg = blk_rq_map_sg(req->q, req, info->shadow[id].sg);  in blkif_queue_rw_req()
628 	for_each_sg(info->shadow[id].sg, sg, num_sg, i)  in blkif_queue_rw_req()
632 	info->shadow[id].num_sg = num_sg;  in blkif_queue_rw_req()
677 	for_each_sg(info->shadow[id].sg, sg, num_sg, i) {  in blkif_queue_rw_req()
700 	info->shadow[id].req = *ring_req;  in blkif_queue_rw_req()
1126 		if (!info->shadow[i].request)  in blkif_free()
1129 		segs = info->shadow[i].req.operation == BLKIF_OP_INDIRECT ?  in blkif_free()
1130 		       info->shadow[i].req.u.indirect.nr_segments :  in blkif_free()
1131 		       info->shadow[i].req.u.rw.nr_segments;  in blkif_free()
1133 			persistent_gnt = info->shadow[i].grants_used[j];  in blkif_free()
1140 		if (info->shadow[i].req.operation != BLKIF_OP_INDIRECT)  in blkif_free()
1148 			persistent_gnt = info->shadow[i].indirect_grants[j];  in blkif_free()
1155 		kfree(info->shadow[i].grants_used);  in blkif_free()
1156 		info->shadow[i].grants_used = NULL;  in blkif_free()
1157 		kfree(info->shadow[i].indirect_grants);  in blkif_free()
1158 		info->shadow[i].indirect_grants = NULL;  in blkif_free()
1159 		kfree(info->shadow[i].sg);  in blkif_free()
1160 		info->shadow[i].sg = NULL;  in blkif_free()
1333 		req  = info->shadow[id].request;  in blkif_interrupt()
1336 			blkif_completion(&info->shadow[id], info, bret);  in blkif_interrupt()
1367 				     info->shadow[id].req.u.rw.nr_segments == 0)) {  in blkif_interrupt()
1544 		info->shadow[i].req.u.rw.id = i+1;  in talk_to_blkback()
1545 	info->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff;  in talk_to_blkback()
1664 	copy = kmemdup(info->shadow, sizeof(info->shadow),  in blkif_recover()
1670 	memset(&info->shadow, 0, sizeof(info->shadow));  in blkif_recover()
1672 		info->shadow[i].req.u.rw.id = i+1;  in blkif_recover()
1674 	info->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff;  in blkif_recover()
1888 		info->shadow[i].grants_used = kzalloc(  in blkfront_setup_indirect()
1889 			sizeof(info->shadow[i].grants_used[0]) * grants,  in blkfront_setup_indirect()
1891 		info->shadow[i].sg = kzalloc(sizeof(info->shadow[i].sg[0]) * psegs, GFP_NOIO);  in blkfront_setup_indirect()
1893 			info->shadow[i].indirect_grants = kzalloc(  in blkfront_setup_indirect()
1894 				sizeof(info->shadow[i].indirect_grants[0]) *  in blkfront_setup_indirect()
1897 		if ((info->shadow[i].grants_used == NULL) ||  in blkfront_setup_indirect()
1898 			(info->shadow[i].sg == NULL) ||  in blkfront_setup_indirect()
1900 		     (info->shadow[i].indirect_grants == NULL)))  in blkfront_setup_indirect()
1902 		sg_init_table(info->shadow[i].sg, psegs);  in blkfront_setup_indirect()
1910 		kfree(info->shadow[i].grants_used);  in blkfront_setup_indirect()
1911 		info->shadow[i].grants_used = NULL;  in blkfront_setup_indirect()
1912 		kfree(info->shadow[i].sg);  in blkfront_setup_indirect()
1913 		info->shadow[i].sg = NULL;  in blkfront_setup_indirect()
1914 		kfree(info->shadow[i].indirect_grants);  in blkfront_setup_indirect()
1915 		info->shadow[i].indirect_grants = NULL;  in blkfront_setup_indirect()