49 				    struct extent_buffer *leaf,
123 	struct extent_buffer *leaf;  in btrfs_lookup_extent_info()  local
173 		leaf = path->nodes[0];  in btrfs_lookup_extent_info()
174 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
176 			ei = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_lookup_extent_info()
178 			num_refs = btrfs_extent_refs(leaf, ei);  in btrfs_lookup_extent_info()
179 			extent_flags = btrfs_extent_flags(leaf, ei);  in btrfs_lookup_extent_info()
421 static u64 hash_extent_data_ref_item(struct extent_buffer *leaf,  in hash_extent_data_ref_item()  argument
424 	return hash_extent_data_ref(btrfs_extent_data_ref_root(leaf, ref),  in hash_extent_data_ref_item()
425 				    btrfs_extent_data_ref_objectid(leaf, ref),  in hash_extent_data_ref_item()
426 				    btrfs_extent_data_ref_offset(leaf, ref));  in hash_extent_data_ref_item()
429 static int match_extent_data_ref(struct extent_buffer *leaf,  in match_extent_data_ref()  argument
433 	if (btrfs_extent_data_ref_root(leaf, ref) != root_objectid ||  in match_extent_data_ref()
434 	    btrfs_extent_data_ref_objectid(leaf, ref) != owner ||  in match_extent_data_ref()
435 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in match_extent_data_ref()
449 	struct extent_buffer *leaf;  in lookup_extent_data_ref()  local
478 	leaf = path->nodes[0];  in lookup_extent_data_ref()
479 	nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
488 			leaf = path->nodes[0];  in lookup_extent_data_ref()
489 			nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
493 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in lookup_extent_data_ref()
498 		ref = btrfs_item_ptr(leaf, path->slots[0],  in lookup_extent_data_ref()
501 		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
545 	leaf = path->nodes[0];  in insert_extent_data_ref()
548 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
551 			btrfs_set_shared_data_ref_count(leaf, ref, refs_to_add);  in insert_extent_data_ref()
553 			num_refs = btrfs_shared_data_ref_count(leaf, ref);  in insert_extent_data_ref()
555 			btrfs_set_shared_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
560 			ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
562 			if (match_extent_data_ref(leaf, ref, root_objectid,  in insert_extent_data_ref()
572 			leaf = path->nodes[0];  in insert_extent_data_ref()
574 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
577 			btrfs_set_extent_data_ref_root(leaf, ref,  in insert_extent_data_ref()
579 			btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in insert_extent_data_ref()
580 			btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in insert_extent_data_ref()
581 			btrfs_set_extent_data_ref_count(leaf, ref, refs_to_add);  in insert_extent_data_ref()
583 			num_refs = btrfs_extent_data_ref_count(leaf, ref);  in insert_extent_data_ref()
585 			btrfs_set_extent_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
588 	btrfs_mark_buffer_dirty(leaf);  in insert_extent_data_ref()
602 	struct extent_buffer *leaf;  in remove_extent_data_ref()  local
606 	leaf = path->nodes[0];  in remove_extent_data_ref()
607 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in remove_extent_data_ref()
610 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
612 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in remove_extent_data_ref()
614 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
616 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in remove_extent_data_ref()
633 			btrfs_set_extent_data_ref_count(leaf, ref1, num_refs);  in remove_extent_data_ref()
635 			btrfs_set_shared_data_ref_count(leaf, ref2, num_refs);  in remove_extent_data_ref()
636 		btrfs_mark_buffer_dirty(leaf);  in remove_extent_data_ref()
645 	struct extent_buffer *leaf;  in extent_data_ref_count()  local
651 	leaf = path->nodes[0];  in extent_data_ref_count()
652 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in extent_data_ref_count()
660 		type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in extent_data_ref_count()
664 			num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
667 			num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
670 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
672 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
674 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
676 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
792 	struct extent_buffer *leaf;  in lookup_inline_extent_backref()  local
867 	leaf = path->nodes[0];  in lookup_inline_extent_backref()
868 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
876 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in lookup_inline_extent_backref()
877 	flags = btrfs_extent_flags(leaf, ei);  in lookup_inline_extent_backref()
899 		type = btrfs_get_extent_inline_ref_type(leaf, iref, needed);  in lookup_inline_extent_backref()
915 			if (match_extent_data_ref(leaf, dref, root_objectid,  in lookup_inline_extent_backref()
920 			if (hash_extent_data_ref_item(leaf, dref) <  in lookup_inline_extent_backref()
925 			ref_offset = btrfs_extent_inline_ref_offset(leaf, iref);  in lookup_inline_extent_backref()
984 	struct extent_buffer *leaf;  in setup_inline_extent_backref()  local
993 	leaf = path->nodes[0];  in setup_inline_extent_backref()
994 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
1002 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
1003 	refs = btrfs_extent_refs(leaf, ei);  in setup_inline_extent_backref()
1005 	btrfs_set_extent_refs(leaf, ei, refs);  in setup_inline_extent_backref()
1007 		__run_delayed_extent_op(extent_op, leaf, ei);  in setup_inline_extent_backref()
1010 	end = (unsigned long)ei + btrfs_item_size_nr(leaf, path->slots[0]);  in setup_inline_extent_backref()
1012 		memmove_extent_buffer(leaf, ptr + size, ptr,  in setup_inline_extent_backref()
1016 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in setup_inline_extent_backref()
1020 		btrfs_set_extent_data_ref_root(leaf, dref, root_objectid);  in setup_inline_extent_backref()
1021 		btrfs_set_extent_data_ref_objectid(leaf, dref, owner);  in setup_inline_extent_backref()
1022 		btrfs_set_extent_data_ref_offset(leaf, dref, offset);  in setup_inline_extent_backref()
1023 		btrfs_set_extent_data_ref_count(leaf, dref, refs_to_add);  in setup_inline_extent_backref()
1027 		btrfs_set_shared_data_ref_count(leaf, sref, refs_to_add);  in setup_inline_extent_backref()
1028 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1030 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1032 		btrfs_set_extent_inline_ref_offset(leaf, iref, root_objectid);  in setup_inline_extent_backref()
1034 	btrfs_mark_buffer_dirty(leaf);  in setup_inline_extent_backref()
1074 	struct extent_buffer *leaf = path->nodes[0];  in update_inline_extent_backref()  local
1085 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in update_inline_extent_backref()
1086 	refs = btrfs_extent_refs(leaf, ei);  in update_inline_extent_backref()
1089 	btrfs_set_extent_refs(leaf, ei, refs);  in update_inline_extent_backref()
1091 		__run_delayed_extent_op(extent_op, leaf, ei);  in update_inline_extent_backref()
1097 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_ANY);  in update_inline_extent_backref()
1102 		refs = btrfs_extent_data_ref_count(leaf, dref);  in update_inline_extent_backref()
1105 		refs = btrfs_shared_data_ref_count(leaf, sref);  in update_inline_extent_backref()
1116 			btrfs_set_extent_data_ref_count(leaf, dref, refs);  in update_inline_extent_backref()
1118 			btrfs_set_shared_data_ref_count(leaf, sref, refs);  in update_inline_extent_backref()
1122 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in update_inline_extent_backref()
1126 			memmove_extent_buffer(leaf, ptr, ptr + size,  in update_inline_extent_backref()
1131 	btrfs_mark_buffer_dirty(leaf);  in update_inline_extent_backref()
1456 	struct extent_buffer *leaf;  in __btrfs_inc_extent_ref()  local
1480 	leaf = path->nodes[0];  in __btrfs_inc_extent_ref()
1481 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in __btrfs_inc_extent_ref()
1482 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in __btrfs_inc_extent_ref()
1483 	refs = btrfs_extent_refs(leaf, item);  in __btrfs_inc_extent_ref()
1484 	btrfs_set_extent_refs(leaf, item, refs + refs_to_add);  in __btrfs_inc_extent_ref()
1486 		__run_delayed_extent_op(extent_op, leaf, item);  in __btrfs_inc_extent_ref()
1488 	btrfs_mark_buffer_dirty(leaf);  in __btrfs_inc_extent_ref()
1554 				    struct extent_buffer *leaf,  in __run_delayed_extent_op()  argument
1557 	u64 flags = btrfs_extent_flags(leaf, ei);  in __run_delayed_extent_op()
1560 		btrfs_set_extent_flags(leaf, ei, flags);  in __run_delayed_extent_op()
1567 		btrfs_set_tree_block_key(leaf, bi, &extent_op->key);  in __run_delayed_extent_op()
1579 	struct extent_buffer *leaf;  in run_delayed_extent_op()  local
1637 	leaf = path->nodes[0];  in run_delayed_extent_op()
1638 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
1647 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in run_delayed_extent_op()
1648 	__run_delayed_extent_op(extent_op, leaf, ei);  in run_delayed_extent_op()
1650 	btrfs_mark_buffer_dirty(leaf);  in run_delayed_extent_op()
2290 	struct extent_buffer *leaf;  in check_committed_ref()  local
2313 	leaf = path->nodes[0];  in check_committed_ref()
2314 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in check_committed_ref()
2320 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in check_committed_ref()
2321 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in check_committed_ref()
2333 	    (btrfs_extent_generation(leaf, ei) <=  in check_committed_ref()
2340 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in check_committed_ref()
2345 	if (btrfs_extent_refs(leaf, ei) !=  in check_committed_ref()
2346 	    btrfs_extent_data_ref_count(leaf, ref) ||  in check_committed_ref()
2347 	    btrfs_extent_data_ref_root(leaf, ref) !=  in check_committed_ref()
2349 	    btrfs_extent_data_ref_objectid(leaf, ref) != objectid ||  in check_committed_ref()
2350 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in check_committed_ref()
2927 	struct extent_buffer *leaf;  in __btrfs_free_extent()  local
3073 	leaf = path->nodes[0];  in __btrfs_free_extent()
3074 	item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
3081 	ei = btrfs_item_ptr(leaf, extent_slot,  in __btrfs_free_extent()
3096 		WARN_ON(owner_objectid != btrfs_tree_block_level(leaf, bi));  in __btrfs_free_extent()
3099 	refs = btrfs_extent_refs(leaf, ei);  in __btrfs_free_extent()
3111 			__run_delayed_extent_op(extent_op, leaf, ei);  in __btrfs_free_extent()
3124 			btrfs_set_extent_refs(leaf, ei, refs);  in __btrfs_free_extent()
3125 			btrfs_mark_buffer_dirty(leaf);  in __btrfs_free_extent()
4493 	struct extent_buffer *leaf;  in alloc_reserved_file_extent()  local
4515 	leaf = path->nodes[0];  in alloc_reserved_file_extent()
4516 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_file_extent()
4518 	btrfs_set_extent_refs(leaf, extent_item, ref_mod);  in alloc_reserved_file_extent()
4519 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_file_extent()
4520 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_file_extent()
4524 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in alloc_reserved_file_extent()
4528 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in alloc_reserved_file_extent()
4529 		btrfs_set_shared_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
4533 		btrfs_set_extent_data_ref_root(leaf, ref, root_objectid);  in alloc_reserved_file_extent()
4534 		btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in alloc_reserved_file_extent()
4535 		btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in alloc_reserved_file_extent()
4536 		btrfs_set_extent_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
4567 	struct extent_buffer *leaf;  in alloc_reserved_tree_block()  local
4599 	leaf = path->nodes[0];  in alloc_reserved_tree_block()
4600 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_tree_block()
4602 	btrfs_set_extent_refs(leaf, extent_item, 1);  in alloc_reserved_tree_block()
4603 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_tree_block()
4604 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_tree_block()
4611 		btrfs_set_tree_block_key(leaf, block_info, &extent_op->key);  in alloc_reserved_tree_block()
4612 		btrfs_set_tree_block_level(leaf, block_info, ref->level);  in alloc_reserved_tree_block()
4617 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
4619 		btrfs_set_extent_inline_ref_offset(leaf, iref, ref->parent);  in alloc_reserved_tree_block()
4621 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
4623 		btrfs_set_extent_inline_ref_offset(leaf, iref, ref->root);  in alloc_reserved_tree_block()
4626 	btrfs_mark_buffer_dirty(leaf);  in alloc_reserved_tree_block()