815 	u32 item_size;  in btrfs_lookup_extent_info()  local
865 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
866 		if (item_size >= sizeof(*ei)) {  in btrfs_lookup_extent_info()
874 			BUG_ON(item_size != sizeof(*ei0));  in btrfs_lookup_extent_info()
1544 	u64 item_size;  in lookup_inline_extent_backref()  local
1615 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1617 	if (item_size < sizeof(*ei)) {  in lookup_inline_extent_backref()
1629 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1632 	BUG_ON(item_size < sizeof(*ei));  in lookup_inline_extent_backref()
1638 	end = (unsigned long)ei + item_size;  in lookup_inline_extent_backref()
1693 		if (item_size + extra_size >=  in lookup_inline_extent_backref()
1829 	u32 item_size;  in update_inline_extent_backref()  local
1867 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in update_inline_extent_backref()
1869 		end = (unsigned long)ei + item_size;  in update_inline_extent_backref()
1873 		item_size -= size;  in update_inline_extent_backref()
1874 		btrfs_truncate_item(root, path, item_size, 1);  in update_inline_extent_backref()
2231 	u32 item_size;  in run_delayed_extent_op()  local
2292 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
2294 	if (item_size < sizeof(*ei)) {  in run_delayed_extent_op()
2302 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
2305 	BUG_ON(item_size < sizeof(*ei));  in run_delayed_extent_op()
3076 	u32 item_size;  in check_committed_ref()  local
3100 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in check_committed_ref()
3102 	if (item_size < sizeof(*ei)) {  in check_committed_ref()
3103 		WARN_ON(item_size != sizeof(struct btrfs_extent_item_v0));  in check_committed_ref()
3109 	if (item_size != sizeof(*ei) +  in check_committed_ref()
6432 	u32 item_size;  in __btrfs_free_extent()  local
6479 		item_size = btrfs_item_size_nr(path->nodes[0], extent_slot);  in __btrfs_free_extent()
6480 		if (found_extent && item_size < sizeof(*ei))  in __btrfs_free_extent()
6557 	item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
6559 	if (item_size < sizeof(*ei)) {  in __btrfs_free_extent()
6589 		item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
6592 	BUG_ON(item_size < sizeof(*ei));  in __btrfs_free_extent()
6598 		BUG_ON(item_size < sizeof(*ei) + sizeof(*bi));  in __btrfs_free_extent()