696 	u32 item_size;  in btrfs_lookup_extent_info()  local
720 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
721 		if (item_size >= sizeof(*ei)) {  in btrfs_lookup_extent_info()
729 			BUG_ON(item_size != sizeof(*ei0));  in btrfs_lookup_extent_info()
1394 	u64 item_size;  in lookup_inline_extent_backref()  local
1421 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1423 	if (item_size < sizeof(*ei)) {  in lookup_inline_extent_backref()
1435 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1438 	BUG_ON(item_size < sizeof(*ei));  in lookup_inline_extent_backref()
1444 	end = (unsigned long)ei + item_size;  in lookup_inline_extent_backref()
1501 		if (item_size + extra_size >=  in lookup_inline_extent_backref()
1641 	u32 item_size;  in update_inline_extent_backref()  local
1679 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in update_inline_extent_backref()
1681 		end = (unsigned long)ei + item_size;  in update_inline_extent_backref()
1685 		item_size -= size;  in update_inline_extent_backref()
1686 		ret = btrfs_truncate_item(trans, root, path, item_size, 1);  in update_inline_extent_backref()
1957 	u32 item_size;  in run_delayed_extent_op()  local
1983 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
1985 	if (item_size < sizeof(*ei)) {  in run_delayed_extent_op()
1993 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
1996 	BUG_ON(item_size < sizeof(*ei));  in run_delayed_extent_op()
2417 	u32 item_size;  in check_committed_ref()  local
2441 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in check_committed_ref()
2443 	if (item_size < sizeof(*ei)) {  in check_committed_ref()
2444 		WARN_ON(item_size != sizeof(struct btrfs_extent_item_v0));  in check_committed_ref()
2450 	if (item_size != sizeof(*ei) +  in check_committed_ref()
4500 	u32 item_size;  in __btrfs_free_extent()  local
4534 		item_size = btrfs_item_size_nr(path->nodes[0], extent_slot);  in __btrfs_free_extent()
4535 		if (found_extent && item_size < sizeof(*ei))  in __btrfs_free_extent()
4575 	item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
4577 	if (item_size < sizeof(*ei)) {  in __btrfs_free_extent()
4601 		item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
4604 	BUG_ON(item_size < sizeof(*ei));  in __btrfs_free_extent()
4609 		BUG_ON(item_size < sizeof(*ei) + sizeof(*bi));  in __btrfs_free_extent()