868 static bool rbd_dev_ondisk_valid(struct rbd_image_header_ondisk *ondisk)  in rbd_dev_ondisk_valid()  argument
874 	if (memcmp(&ondisk->text, RBD_HEADER_TEXT, sizeof (RBD_HEADER_TEXT)))  in rbd_dev_ondisk_valid()
879 	if (ondisk->options.order < SECTOR_SHIFT)  in rbd_dev_ondisk_valid()
884 	if (ondisk->options.order > 8 * sizeof (int) - 1)  in rbd_dev_ondisk_valid()
891 	snap_count = le32_to_cpu(ondisk->snap_count);  in rbd_dev_ondisk_valid()
901 	if ((u64) size < le64_to_cpu(ondisk->snap_names_len))  in rbd_dev_ondisk_valid()
912 				 struct rbd_image_header_ondisk *ondisk)  in rbd_header_from_disk()  argument
930 		len = strnlen(ondisk->object_prefix,  in rbd_header_from_disk()
931 				sizeof (ondisk->object_prefix));  in rbd_header_from_disk()
935 		memcpy(object_prefix, ondisk->object_prefix, len);  in rbd_header_from_disk()
941 	snap_count = le32_to_cpu(ondisk->snap_count);  in rbd_header_from_disk()
945 	snapc->seq = le64_to_cpu(ondisk->snap_seq);  in rbd_header_from_disk()
948 		u64 snap_names_len = le64_to_cpu(ondisk->snap_names_len);  in rbd_header_from_disk()
974 		memcpy(snap_names, &ondisk->snaps[snap_count], snap_names_len);  in rbd_header_from_disk()
975 		snaps = ondisk->snaps;  in rbd_header_from_disk()
986 		header->obj_order = ondisk->options.order;  in rbd_header_from_disk()
987 		header->crypt_type = ondisk->options.crypt_type;  in rbd_header_from_disk()
988 		header->comp_type = ondisk->options.comp_type;  in rbd_header_from_disk()
1001 	header->image_size = le64_to_cpu(ondisk->image_size);  in rbd_header_from_disk()
3593 	struct rbd_image_header_ondisk *ondisk = NULL;  in rbd_dev_v1_header_info()  local
3609 		kfree(ondisk);  in rbd_dev_v1_header_info()
3611 		size = sizeof (*ondisk);  in rbd_dev_v1_header_info()
3614 		ondisk = kmalloc(size, GFP_KERNEL);  in rbd_dev_v1_header_info()
3615 		if (!ondisk)  in rbd_dev_v1_header_info()
3619 				       0, size, ondisk);  in rbd_dev_v1_header_info()
3628 		if (!rbd_dev_ondisk_valid(ondisk)) {  in rbd_dev_v1_header_info()
3634 		names_size = le64_to_cpu(ondisk->snap_names_len);  in rbd_dev_v1_header_info()
3636 		snap_count = le32_to_cpu(ondisk->snap_count);  in rbd_dev_v1_header_info()
3639 	ret = rbd_header_from_disk(rbd_dev, ondisk);  in rbd_dev_v1_header_info()
3641 	kfree(ondisk);  in rbd_dev_v1_header_info()