753 	u32 item_size;  in btrfs_lookup_extent_info()  local
803 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in btrfs_lookup_extent_info()
804 		if (item_size >= sizeof(*ei)) {  in btrfs_lookup_extent_info()
812 			BUG_ON(item_size != sizeof(*ei0));  in btrfs_lookup_extent_info()
1483 	u64 item_size;  in lookup_inline_extent_backref()  local
1554 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1556 	if (item_size < sizeof(*ei)) {  in lookup_inline_extent_backref()
1568 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in lookup_inline_extent_backref()
1571 	BUG_ON(item_size < sizeof(*ei));  in lookup_inline_extent_backref()
1577 	end = (unsigned long)ei + item_size;  in lookup_inline_extent_backref()
1632 		if (item_size + extra_size >=  in lookup_inline_extent_backref()
1768 	u32 item_size;  in update_inline_extent_backref()  local
1806 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in update_inline_extent_backref()
1808 		end = (unsigned long)ei + item_size;  in update_inline_extent_backref()
1812 		item_size -= size;  in update_inline_extent_backref()
1813 		btrfs_truncate_item(root, path, item_size, 1);  in update_inline_extent_backref()
2134 	u32 item_size;  in run_delayed_extent_op()  local
2195 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
2197 	if (item_size < sizeof(*ei)) {  in run_delayed_extent_op()
2205 		item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in run_delayed_extent_op()
2208 	BUG_ON(item_size < sizeof(*ei));  in run_delayed_extent_op()
2977 	u32 item_size;  in check_committed_ref()  local
3001 	item_size = btrfs_item_size_nr(leaf, path->slots[0]);  in check_committed_ref()
3003 	if (item_size < sizeof(*ei)) {  in check_committed_ref()
3004 		WARN_ON(item_size != sizeof(struct btrfs_extent_item_v0));  in check_committed_ref()
3010 	if (item_size != sizeof(*ei) +  in check_committed_ref()
6119 	u32 item_size;  in __btrfs_free_extent()  local
6168 		item_size = btrfs_item_size_nr(path->nodes[0], extent_slot);  in __btrfs_free_extent()
6169 		if (found_extent && item_size < sizeof(*ei))  in __btrfs_free_extent()
6246 	item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
6248 	if (item_size < sizeof(*ei)) {  in __btrfs_free_extent()
6278 		item_size = btrfs_item_size_nr(leaf, extent_slot);  in __btrfs_free_extent()
6281 	BUG_ON(item_size < sizeof(*ei));  in __btrfs_free_extent()
6287 		BUG_ON(item_size < sizeof(*ei) + sizeof(*bi));  in __btrfs_free_extent()