fs/btrfs/ref-verify.c

19  * bytenr.  This just tracks the number of direct references, no shared
67 	u64 bytenr;
88 		if (entry->bytenr > be->bytenr)
90 		else if (entry->bytenr < be->bytenr)
101 static struct block_entry *lookup_block_entry(struct rb_root *root, u64 bytenr)
109 		if (entry->bytenr < bytenr)
111 		else if (entry->bytenr > bytenr)
264 					   u64 bytenr, u64 len,
277 	be->bytenr = bytenr;
313 			  u64 parent, u64 bytenr, int level)
332 	be = add_block_entry(fs_info, bytenr, fs_info->nodesize, ref_root);
358 			       u64 parent, u32 num_refs, u64 bytenr,
367 	be = add_block_entry(fs_info, bytenr, num_bytes, 0);
389 			       u64 bytenr, u64 num_bytes)
402 	be = add_block_entry(fs_info, bytenr, num_bytes, ref_root);
504 			struct btrfs_path *path, u64 *bytenr, u64 *num_bytes,
523 			*bytenr = key.objectid;
538 			ret = add_extent_data_ref(fs_info, leaf, dref, *bytenr,
546 						  *bytenr, *num_bytes);
559 			  int level, u64 *bytenr, u64 *num_bytes,
576 			ret = process_leaf(root, path, bytenr, num_bytes,
636 		  be->bytenr, be->len, be->num_refs, be->metadata,
658  * Called when we modify a ref for a bytenr.
660  * This will add an action item to the given bytenr and do sanity checks to make
675 	u64 bytenr = generic_ref->bytenr;
736 		 * in root as if it really has a ref for this bytenr.
738 		be = add_block_entry(fs_info, bytenr, num_bytes, ref_root);
789 		be = lookup_block_entry(&fs_info->block_tree, bytenr);
792 "trying to do action %d to bytenr %llu num_bytes %llu but there is no existing entry!",
793 				  action, bytenr, num_bytes);
801 		"trying to do action %d for a bytenr that has 0 total references",
871 				  generic_ref->real_root, be->bytenr);
931 		if (entry->bytenr < start) {
933 		} else if (entry->bytenr > start) {
941 		    (entry->bytenr < start && be->bytenr > start) ||
942 		    (entry->bytenr < start && entry->bytenr > be->bytenr))
959 		if (be->bytenr < start && be->bytenr + be->len > start) {
966 		if (be->bytenr < start)
968 		if (be->bytenr >= start + len)
970 		if (be->bytenr + be->len > start + len) {
989 	u64 bytenr = 0, num_bytes = 0;
1008 		 * We have to keep track of the bytenr/num_bytes we last hit
1014 				     &bytenr, &num_bytes, &tree_block_level);