54 				    struct extent_buffer *leaf,
163 		struct extent_buffer *leaf = path->nodes[0];  in btrfs_lookup_extent_info()  local
165 		const u32 item_size = btrfs_item_size(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
176 		ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in btrfs_lookup_extent_info()
177 		num_refs = btrfs_extent_refs(leaf, ei);  in btrfs_lookup_extent_info()
186 		extent_flags = btrfs_extent_flags(leaf, ei);  in btrfs_lookup_extent_info()
187 		owner = btrfs_get_extent_owner_root(fs_info, leaf, path->slots[0]);  in btrfs_lookup_extent_info()
418 static u64 hash_extent_data_ref_item(const struct extent_buffer *leaf,  in hash_extent_data_ref_item()  argument
421 	return hash_extent_data_ref(btrfs_extent_data_ref_root(leaf, ref),  in hash_extent_data_ref_item()
422 				    btrfs_extent_data_ref_objectid(leaf, ref),  in hash_extent_data_ref_item()
423 				    btrfs_extent_data_ref_offset(leaf, ref));  in hash_extent_data_ref_item()
426 static bool match_extent_data_ref(const struct extent_buffer *leaf,  in match_extent_data_ref()  argument
430 	if (btrfs_extent_data_ref_root(leaf, ref) != root_objectid ||  in match_extent_data_ref()
431 	    btrfs_extent_data_ref_objectid(leaf, ref) != owner ||  in match_extent_data_ref()
432 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in match_extent_data_ref()
446 	struct extent_buffer *leaf;  in lookup_extent_data_ref()  local
479 	leaf = path->nodes[0];  in lookup_extent_data_ref()
480 	nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
490 			leaf = path->nodes[0];  in lookup_extent_data_ref()
491 			nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
495 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in lookup_extent_data_ref()
500 		ref = btrfs_item_ptr(leaf, path->slots[0],  in lookup_extent_data_ref()
503 		if (match_extent_data_ref(leaf, ref, root_objectid,  in lookup_extent_data_ref()
524 	struct extent_buffer *leaf;  in insert_extent_data_ref()  local
552 	leaf = path->nodes[0];  in insert_extent_data_ref()
555 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
558 			btrfs_set_shared_data_ref_count(leaf, ref, node->ref_mod);  in insert_extent_data_ref()
560 			num_refs = btrfs_shared_data_ref_count(leaf, ref);  in insert_extent_data_ref()
562 			btrfs_set_shared_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
567 			ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
569 			if (match_extent_data_ref(leaf, ref, node->ref_root,  in insert_extent_data_ref()
579 			leaf = path->nodes[0];  in insert_extent_data_ref()
581 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
584 			btrfs_set_extent_data_ref_root(leaf, ref, node->ref_root);  in insert_extent_data_ref()
585 			btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in insert_extent_data_ref()
586 			btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in insert_extent_data_ref()
587 			btrfs_set_extent_data_ref_count(leaf, ref, node->ref_mod);  in insert_extent_data_ref()
589 			num_refs = btrfs_extent_data_ref_count(leaf, ref);  in insert_extent_data_ref()
591 			btrfs_set_extent_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
608 	struct extent_buffer *leaf;  in remove_extent_data_ref()  local
612 	leaf = path->nodes[0];  in remove_extent_data_ref()
613 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in remove_extent_data_ref()
616 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
618 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in remove_extent_data_ref()
620 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
622 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in remove_extent_data_ref()
638 			btrfs_set_extent_data_ref_count(leaf, ref1, num_refs);  in remove_extent_data_ref()
640 			btrfs_set_shared_data_ref_count(leaf, ref2, num_refs);  in remove_extent_data_ref()
649 	struct extent_buffer *leaf;  in extent_data_ref_count()  local
655 	leaf = path->nodes[0];  in extent_data_ref_count()
656 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in extent_data_ref_count()
663 		type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in extent_data_ref_count()
667 			num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
670 			num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
673 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
675 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
677 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
679 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
807 	struct extent_buffer *leaf;  in lookup_inline_extent_backref()  local
889 	leaf = path->nodes[0];  in lookup_inline_extent_backref()
890 	item_size = btrfs_item_size(leaf, path->slots[0]);  in lookup_inline_extent_backref()
900 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in lookup_inline_extent_backref()
901 	flags = btrfs_extent_flags(leaf, ei);  in lookup_inline_extent_backref()
919 		type = btrfs_get_extent_inline_ref_type(leaf, iref, needed);  in lookup_inline_extent_backref()
940 			if (match_extent_data_ref(leaf, dref, root_objectid,  in lookup_inline_extent_backref()
945 			if (hash_extent_data_ref_item(leaf, dref) <  in lookup_inline_extent_backref()
950 			ref_offset = btrfs_extent_inline_ref_offset(leaf, iref);  in lookup_inline_extent_backref()
1040 	struct extent_buffer *leaf;  in setup_inline_extent_backref()  local
1049 	leaf = path->nodes[0];  in setup_inline_extent_backref()
1050 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
1058 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
1059 	refs = btrfs_extent_refs(leaf, ei);  in setup_inline_extent_backref()
1061 	btrfs_set_extent_refs(leaf, ei, refs);  in setup_inline_extent_backref()
1063 		__run_delayed_extent_op(extent_op, leaf, ei);  in setup_inline_extent_backref()
1066 	end = (unsigned long)ei + btrfs_item_size(leaf, path->slots[0]);  in setup_inline_extent_backref()
1068 		memmove_extent_buffer(leaf, ptr + size, ptr,  in setup_inline_extent_backref()
1072 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in setup_inline_extent_backref()
1076 		btrfs_set_extent_data_ref_root(leaf, dref, root_objectid);  in setup_inline_extent_backref()
1077 		btrfs_set_extent_data_ref_objectid(leaf, dref, owner);  in setup_inline_extent_backref()
1078 		btrfs_set_extent_data_ref_offset(leaf, dref, offset);  in setup_inline_extent_backref()
1079 		btrfs_set_extent_data_ref_count(leaf, dref, refs_to_add);  in setup_inline_extent_backref()
1083 		btrfs_set_shared_data_ref_count(leaf, sref, refs_to_add);  in setup_inline_extent_backref()
1084 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1086 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1088 		btrfs_set_extent_inline_ref_offset(leaf, iref, root_objectid);  in setup_inline_extent_backref()
1129 	struct extent_buffer *leaf = path->nodes[0];  in update_inline_extent_backref()  local
1130 	struct btrfs_fs_info *fs_info = leaf->fs_info;  in update_inline_extent_backref()
1141 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in update_inline_extent_backref()
1142 	refs = btrfs_extent_refs(leaf, ei);  in update_inline_extent_backref()
1147 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in update_inline_extent_backref()
1152 		btrfs_print_leaf(leaf);  in update_inline_extent_backref()
1159 	btrfs_set_extent_refs(leaf, ei, refs);  in update_inline_extent_backref()
1161 		__run_delayed_extent_op(extent_op, leaf, ei);  in update_inline_extent_backref()
1163 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_ANY);  in update_inline_extent_backref()
1173 		refs = btrfs_extent_data_ref_count(leaf, dref);  in update_inline_extent_backref()
1176 		refs = btrfs_shared_data_ref_count(leaf, sref);  in update_inline_extent_backref()
1190 			btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in update_inline_extent_backref()
1192 			btrfs_print_leaf(leaf);  in update_inline_extent_backref()
1204 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in update_inline_extent_backref()
1209 		btrfs_print_leaf(leaf);  in update_inline_extent_backref()
1220 			btrfs_set_extent_data_ref_count(leaf, dref, refs);  in update_inline_extent_backref()
1222 			btrfs_set_shared_data_ref_count(leaf, sref, refs);  in update_inline_extent_backref()
1225 		item_size = btrfs_item_size(leaf, path->slots[0]);  in update_inline_extent_backref()
1229 			memmove_extent_buffer(leaf, ptr, ptr + size,  in update_inline_extent_backref()
1531 	struct extent_buffer *leaf;  in __btrfs_inc_extent_ref()  local
1558 	leaf = path->nodes[0];  in __btrfs_inc_extent_ref()
1559 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in __btrfs_inc_extent_ref()
1560 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in __btrfs_inc_extent_ref()
1561 	refs = btrfs_extent_refs(leaf, item);  in __btrfs_inc_extent_ref()
1562 	btrfs_set_extent_refs(leaf, item, refs + refs_to_add);  in __btrfs_inc_extent_ref()
1564 		__run_delayed_extent_op(extent_op, leaf, item);  in __btrfs_inc_extent_ref()
1673 				    struct extent_buffer *leaf,  in __run_delayed_extent_op()  argument
1676 	u64 flags = btrfs_extent_flags(leaf, ei);  in __run_delayed_extent_op()
1679 		btrfs_set_extent_flags(leaf, ei, flags);  in __run_delayed_extent_op()
1686 		btrfs_set_tree_block_key(leaf, bi, &extent_op->key);  in __run_delayed_extent_op()
1699 	struct extent_buffer *leaf;  in run_delayed_extent_op()  local
1764 	leaf = path->nodes[0];  in run_delayed_extent_op()
1765 	item_size = btrfs_item_size(leaf, path->slots[0]);  in run_delayed_extent_op()
1776 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in run_delayed_extent_op()
1777 	__run_delayed_extent_op(extent_op, leaf, ei);  in run_delayed_extent_op()
2427 	struct extent_buffer *leaf;  in check_committed_ref()  local
2462 	leaf = path->nodes[0];  in check_committed_ref()
2463 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in check_committed_ref()
2468 	item_size = btrfs_item_size(leaf, path->slots[0]);  in check_committed_ref()
2469 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in check_committed_ref()
2478 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in check_committed_ref()
2482 		type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in check_committed_ref()
2494 	if (btrfs_extent_refs(leaf, ei) !=  in check_committed_ref()
2495 	    btrfs_extent_data_ref_count(leaf, ref) ||  in check_committed_ref()
2496 	    btrfs_extent_data_ref_root(leaf, ref) != btrfs_root_id(root) ||  in check_committed_ref()
2497 	    btrfs_extent_data_ref_objectid(leaf, ref) != btrfs_ino(inode) ||  in check_committed_ref()
2498 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in check_committed_ref()
2525 			struct extent_buffer *leaf = path->nodes[0];  in btrfs_cross_ref_exist()  local
2527 			ASSERT(leaf != NULL);  in btrfs_cross_ref_exist()
2528 			btrfs_assert_tree_read_locked(leaf);  in btrfs_cross_ref_exist()
2533 				btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_cross_ref_exist()
3103 				struct extent_buffer *leaf, int slot)  in btrfs_get_extent_owner_root()  argument
3115 	ei = btrfs_item_ptr(leaf, slot, struct btrfs_extent_item);  in btrfs_get_extent_owner_root()
3117 	end = (unsigned long)ei + btrfs_item_size(leaf, slot);  in btrfs_get_extent_owner_root()
3124 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_ANY);  in btrfs_get_extent_owner_root()
3129 		return btrfs_extent_owner_ref_root_id(leaf, oref);  in btrfs_get_extent_owner_root()
3276 	struct extent_buffer *leaf;  in __btrfs_free_extent()  local
3429 	leaf = path->nodes[0];  in __btrfs_free_extent()
3430 	item_size = btrfs_item_size(leaf, extent_slot);  in __btrfs_free_extent()
3439 	ei = btrfs_item_ptr(leaf, extent_slot,  in __btrfs_free_extent()
3454 		WARN_ON(owner_objectid != btrfs_tree_block_level(leaf, bi));  in __btrfs_free_extent()
3457 	refs = btrfs_extent_refs(leaf, ei);  in __btrfs_free_extent()
3468 			__run_delayed_extent_op(extent_op, leaf, ei);  in __btrfs_free_extent()
3481 			btrfs_set_extent_refs(leaf, ei, refs);  in __btrfs_free_extent()
3497 			.generation = btrfs_extent_generation(leaf, ei),  in __btrfs_free_extent()
3544 								 leaf, extent_slot);  in __btrfs_free_extent()
5001 	struct extent_buffer *leaf;  in alloc_reserved_file_extent()  local
5034 	leaf = path->nodes[0];  in alloc_reserved_file_extent()
5035 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_file_extent()
5037 	btrfs_set_extent_refs(leaf, extent_item, ref_mod);  in alloc_reserved_file_extent()
5038 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_file_extent()
5039 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_file_extent()
5044 		btrfs_set_extent_inline_ref_type(leaf, iref, BTRFS_EXTENT_OWNER_REF_KEY);  in alloc_reserved_file_extent()
5046 		btrfs_set_extent_owner_ref_root_id(leaf, oref, oref_root);  in alloc_reserved_file_extent()
5049 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in alloc_reserved_file_extent()
5054 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in alloc_reserved_file_extent()
5055 		btrfs_set_shared_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
5059 		btrfs_set_extent_data_ref_root(leaf, ref, root_objectid);  in alloc_reserved_file_extent()
5060 		btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in alloc_reserved_file_extent()
5061 		btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in alloc_reserved_file_extent()
5062 		btrfs_set_extent_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
5082 	struct extent_buffer *leaf;  in alloc_reserved_tree_block()  local
5122 	leaf = path->nodes[0];  in alloc_reserved_tree_block()
5123 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_tree_block()
5125 	btrfs_set_extent_refs(leaf, extent_item, 1);  in alloc_reserved_tree_block()
5126 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_tree_block()
5127 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_tree_block()
5134 		btrfs_set_tree_block_key(leaf, block_info, &extent_op->key);  in alloc_reserved_tree_block()
5135 		btrfs_set_tree_block_level(leaf, block_info, level);  in alloc_reserved_tree_block()
5140 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
5142 		btrfs_set_extent_inline_ref_offset(leaf, iref, node->parent);  in alloc_reserved_tree_block()
5144 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
5146 		btrfs_set_extent_inline_ref_offset(leaf, iref, node->ref_root);  in alloc_reserved_tree_block()