47 				    struct extent_buffer *leaf,
121 	struct extent_buffer *leaf;  in btrfs_lookup_extent_info()  local
171 		leaf = path->nodes[0];  in btrfs_lookup_extent_info()
172 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
174 			ei = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_lookup_extent_info()
176 			num_refs = btrfs_extent_refs(leaf, ei);  in btrfs_lookup_extent_info()
177 			extent_flags = btrfs_extent_flags(leaf, ei);  in btrfs_lookup_extent_info()
419 static u64 hash_extent_data_ref_item(struct extent_buffer *leaf,  in hash_extent_data_ref_item()  argument
422 	return hash_extent_data_ref(btrfs_extent_data_ref_root(leaf, ref),  in hash_extent_data_ref_item()
423 				    btrfs_extent_data_ref_objectid(leaf, ref),  in hash_extent_data_ref_item()
424 				    btrfs_extent_data_ref_offset(leaf, ref));  in hash_extent_data_ref_item()
427 static int match_extent_data_ref(struct extent_buffer *leaf,  in match_extent_data_ref()  argument
431 	if (btrfs_extent_data_ref_root(leaf, ref) != root_objectid ||  in match_extent_data_ref()
432 	    btrfs_extent_data_ref_objectid(leaf, ref) != owner ||  in match_extent_data_ref()
433 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in match_extent_data_ref()
447 	struct extent_buffer *leaf;  in lookup_extent_data_ref()  local
476 	leaf = path->nodes[0];  in lookup_extent_data_ref()
477 	nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
486 			leaf = path->nodes[0];  in lookup_extent_data_ref()
487 			nritems = btrfs_header_nritems(leaf);  in lookup_extent_data_ref()
491 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in lookup_extent_data_ref()
496 		ref = btrfs_item_ptr(leaf, path->slots[0],  in lookup_extent_data_ref()
499 		if (match_extent_data_ref(leaf, ref, root_objectid,  in lookup_extent_data_ref()
522 	struct extent_buffer *leaf;  in insert_extent_data_ref()  local
543 	leaf = path->nodes[0];  in insert_extent_data_ref()
546 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
549 			btrfs_set_shared_data_ref_count(leaf, ref, refs_to_add);  in insert_extent_data_ref()
551 			num_refs = btrfs_shared_data_ref_count(leaf, ref);  in insert_extent_data_ref()
553 			btrfs_set_shared_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
558 			ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
560 			if (match_extent_data_ref(leaf, ref, root_objectid,  in insert_extent_data_ref()
570 			leaf = path->nodes[0];  in insert_extent_data_ref()
572 		ref = btrfs_item_ptr(leaf, path->slots[0],  in insert_extent_data_ref()
575 			btrfs_set_extent_data_ref_root(leaf, ref,  in insert_extent_data_ref()
577 			btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in insert_extent_data_ref()
578 			btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in insert_extent_data_ref()
579 			btrfs_set_extent_data_ref_count(leaf, ref, refs_to_add);  in insert_extent_data_ref()
581 			num_refs = btrfs_extent_data_ref_count(leaf, ref);  in insert_extent_data_ref()
583 			btrfs_set_extent_data_ref_count(leaf, ref, num_refs);  in insert_extent_data_ref()
586 	btrfs_mark_buffer_dirty(leaf);  in insert_extent_data_ref()
600 	struct extent_buffer *leaf;  in remove_extent_data_ref()  local
604 	leaf = path->nodes[0];  in remove_extent_data_ref()
605 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in remove_extent_data_ref()
608 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
610 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in remove_extent_data_ref()
612 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in remove_extent_data_ref()
614 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in remove_extent_data_ref()
631 			btrfs_set_extent_data_ref_count(leaf, ref1, num_refs);  in remove_extent_data_ref()
633 			btrfs_set_shared_data_ref_count(leaf, ref2, num_refs);  in remove_extent_data_ref()
634 		btrfs_mark_buffer_dirty(leaf);  in remove_extent_data_ref()
643 	struct extent_buffer *leaf;  in extent_data_ref_count()  local
649 	leaf = path->nodes[0];  in extent_data_ref_count()
650 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in extent_data_ref_count()
658 		type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in extent_data_ref_count()
662 			num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
665 			num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
668 		ref1 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
670 		num_refs = btrfs_extent_data_ref_count(leaf, ref1);  in extent_data_ref_count()
672 		ref2 = btrfs_item_ptr(leaf, path->slots[0],  in extent_data_ref_count()
674 		num_refs = btrfs_shared_data_ref_count(leaf, ref2);  in extent_data_ref_count()
790 	struct extent_buffer *leaf;  in lookup_inline_extent_backref()  local
864 	leaf = path->nodes[0];  in lookup_inline_extent_backref()
865 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
873 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in lookup_inline_extent_backref()
874 	flags = btrfs_extent_flags(leaf, ei);  in lookup_inline_extent_backref()
896 		type = btrfs_get_extent_inline_ref_type(leaf, iref, needed);  in lookup_inline_extent_backref()
912 			if (match_extent_data_ref(leaf, dref, root_objectid,  in lookup_inline_extent_backref()
917 			if (hash_extent_data_ref_item(leaf, dref) <  in lookup_inline_extent_backref()
922 			ref_offset = btrfs_extent_inline_ref_offset(leaf, iref);  in lookup_inline_extent_backref()
980 	struct extent_buffer *leaf;  in setup_inline_extent_backref()  local
989 	leaf = path->nodes[0];  in setup_inline_extent_backref()
990 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
998 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in setup_inline_extent_backref()
999 	refs = btrfs_extent_refs(leaf, ei);  in setup_inline_extent_backref()
1001 	btrfs_set_extent_refs(leaf, ei, refs);  in setup_inline_extent_backref()
1003 		__run_delayed_extent_op(extent_op, leaf, ei);  in setup_inline_extent_backref()
1006 	end = (unsigned long)ei + btrfs_item_size_nr(leaf, path->slots[0]);  in setup_inline_extent_backref()
1008 		memmove_extent_buffer(leaf, ptr + size, ptr,  in setup_inline_extent_backref()
1012 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in setup_inline_extent_backref()
1016 		btrfs_set_extent_data_ref_root(leaf, dref, root_objectid);  in setup_inline_extent_backref()
1017 		btrfs_set_extent_data_ref_objectid(leaf, dref, owner);  in setup_inline_extent_backref()
1018 		btrfs_set_extent_data_ref_offset(leaf, dref, offset);  in setup_inline_extent_backref()
1019 		btrfs_set_extent_data_ref_count(leaf, dref, refs_to_add);  in setup_inline_extent_backref()
1023 		btrfs_set_shared_data_ref_count(leaf, sref, refs_to_add);  in setup_inline_extent_backref()
1024 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1026 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in setup_inline_extent_backref()
1028 		btrfs_set_extent_inline_ref_offset(leaf, iref, root_objectid);  in setup_inline_extent_backref()
1030 	btrfs_mark_buffer_dirty(leaf);  in setup_inline_extent_backref()
1070 	struct extent_buffer *leaf = path->nodes[0];  in update_inline_extent_backref()  local
1081 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in update_inline_extent_backref()
1082 	refs = btrfs_extent_refs(leaf, ei);  in update_inline_extent_backref()
1085 	btrfs_set_extent_refs(leaf, ei, refs);  in update_inline_extent_backref()
1087 		__run_delayed_extent_op(extent_op, leaf, ei);  in update_inline_extent_backref()
1093 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_ANY);  in update_inline_extent_backref()
1098 		refs = btrfs_extent_data_ref_count(leaf, dref);  in update_inline_extent_backref()
1101 		refs = btrfs_shared_data_ref_count(leaf, sref);  in update_inline_extent_backref()
1112 			btrfs_set_extent_data_ref_count(leaf, dref, refs);  in update_inline_extent_backref()
1114 			btrfs_set_shared_data_ref_count(leaf, sref, refs);  in update_inline_extent_backref()
1118 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in update_inline_extent_backref()
1122 			memmove_extent_buffer(leaf, ptr, ptr + size,  in update_inline_extent_backref()
1127 	btrfs_mark_buffer_dirty(leaf);  in update_inline_extent_backref()
1419 	struct extent_buffer *leaf;  in __btrfs_inc_extent_ref()  local
1444 	leaf = path->nodes[0];  in __btrfs_inc_extent_ref()
1445 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in __btrfs_inc_extent_ref()
1446 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in __btrfs_inc_extent_ref()
1447 	refs = btrfs_extent_refs(leaf, item);  in __btrfs_inc_extent_ref()
1448 	btrfs_set_extent_refs(leaf, item, refs + refs_to_add);  in __btrfs_inc_extent_ref()
1450 		__run_delayed_extent_op(extent_op, leaf, item);  in __btrfs_inc_extent_ref()
1452 	btrfs_mark_buffer_dirty(leaf);  in __btrfs_inc_extent_ref()
1519 				    struct extent_buffer *leaf,  in __run_delayed_extent_op()  argument
1522 	u64 flags = btrfs_extent_flags(leaf, ei);  in __run_delayed_extent_op()
1525 		btrfs_set_extent_flags(leaf, ei, flags);  in __run_delayed_extent_op()
1532 		btrfs_set_tree_block_key(leaf, bi, &extent_op->key);  in __run_delayed_extent_op()
1544 	struct extent_buffer *leaf;  in run_delayed_extent_op()  local
1603 	leaf = path->nodes[0];  in run_delayed_extent_op()
1604 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
1613 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in run_delayed_extent_op()
1614 	__run_delayed_extent_op(extent_op, leaf, ei);  in run_delayed_extent_op()
1616 	btrfs_mark_buffer_dirty(leaf);  in run_delayed_extent_op()
2288 	struct extent_buffer *leaf;  in check_committed_ref()  local
2311 	leaf = path->nodes[0];  in check_committed_ref()
2312 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in check_committed_ref()
2318 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in check_committed_ref()
2319 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in check_committed_ref()
2331 	    (btrfs_extent_generation(leaf, ei) <=  in check_committed_ref()
2338 	type = btrfs_get_extent_inline_ref_type(leaf, iref, BTRFS_REF_TYPE_DATA);  in check_committed_ref()
2343 	if (btrfs_extent_refs(leaf, ei) !=  in check_committed_ref()
2344 	    btrfs_extent_data_ref_count(leaf, ref) ||  in check_committed_ref()
2345 	    btrfs_extent_data_ref_root(leaf, ref) !=  in check_committed_ref()
2347 	    btrfs_extent_data_ref_objectid(leaf, ref) != objectid ||  in check_committed_ref()
2348 	    btrfs_extent_data_ref_offset(leaf, ref) != offset)  in check_committed_ref()
2954 	struct extent_buffer *leaf;  in __btrfs_free_extent()  local
3103 	leaf = path->nodes[0];  in __btrfs_free_extent()
3104 	item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
3111 	ei = btrfs_item_ptr(leaf, extent_slot,  in __btrfs_free_extent()
3126 		WARN_ON(owner_objectid != btrfs_tree_block_level(leaf, bi));  in __btrfs_free_extent()
3129 	refs = btrfs_extent_refs(leaf, ei);  in __btrfs_free_extent()
3141 			__run_delayed_extent_op(extent_op, leaf, ei);  in __btrfs_free_extent()
3154 			btrfs_set_extent_refs(leaf, ei, refs);  in __btrfs_free_extent()
3155 			btrfs_mark_buffer_dirty(leaf);  in __btrfs_free_extent()
4350 	struct extent_buffer *leaf;  in alloc_reserved_file_extent()  local
4373 	leaf = path->nodes[0];  in alloc_reserved_file_extent()
4374 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_file_extent()
4376 	btrfs_set_extent_refs(leaf, extent_item, ref_mod);  in alloc_reserved_file_extent()
4377 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_file_extent()
4378 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_file_extent()
4382 	btrfs_set_extent_inline_ref_type(leaf, iref, type);  in alloc_reserved_file_extent()
4386 		btrfs_set_extent_inline_ref_offset(leaf, iref, parent);  in alloc_reserved_file_extent()
4387 		btrfs_set_shared_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
4391 		btrfs_set_extent_data_ref_root(leaf, ref, root_objectid);  in alloc_reserved_file_extent()
4392 		btrfs_set_extent_data_ref_objectid(leaf, ref, owner);  in alloc_reserved_file_extent()
4393 		btrfs_set_extent_data_ref_offset(leaf, ref, offset);  in alloc_reserved_file_extent()
4394 		btrfs_set_extent_data_ref_count(leaf, ref, ref_mod);  in alloc_reserved_file_extent()
4425 	struct extent_buffer *leaf;  in alloc_reserved_tree_block()  local
4458 	leaf = path->nodes[0];  in alloc_reserved_tree_block()
4459 	extent_item = btrfs_item_ptr(leaf, path->slots[0],  in alloc_reserved_tree_block()
4461 	btrfs_set_extent_refs(leaf, extent_item, 1);  in alloc_reserved_tree_block()
4462 	btrfs_set_extent_generation(leaf, extent_item, trans->transid);  in alloc_reserved_tree_block()
4463 	btrfs_set_extent_flags(leaf, extent_item,  in alloc_reserved_tree_block()
4470 		btrfs_set_tree_block_key(leaf, block_info, &extent_op->key);  in alloc_reserved_tree_block()
4471 		btrfs_set_tree_block_level(leaf, block_info, ref->level);  in alloc_reserved_tree_block()
4477 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
4479 		btrfs_set_extent_inline_ref_offset(leaf, iref, ref->parent);  in alloc_reserved_tree_block()
4481 		btrfs_set_extent_inline_ref_type(leaf, iref,  in alloc_reserved_tree_block()
4483 		btrfs_set_extent_inline_ref_offset(leaf, iref, ref->root);  in alloc_reserved_tree_block()
4486 	btrfs_mark_buffer_dirty(leaf);  in alloc_reserved_tree_block()