1 files changed, 6 insertions, 0 deletions
diff --git a/ctree.h b/ctree.h
index 7e67d1fc..697895a9 100644
--- a/ctree.h
+++ b/ctree.h
@@ -1202,6 +1202,12 @@ static inline u32 BTRFS_NODEPTRS_PER_BLOCK(const struct btrfs_fs_info *info)
 	return BTRFS_LEAF_DATA_SIZE(info) / sizeof(struct btrfs_key_ptr);
 }
 
+static inline u32 BTRFS_NODEPTRS_PER_EXTENT_BUFFER(const struct extent_buffer *eb)
+{
+	BUG_ON(eb->fs_info && eb->fs_info->nodesize != eb->len);
+	return __BTRFS_LEAF_DATA_SIZE(eb->len) / sizeof(struct btrfs_key_ptr);
+}
+
 #define BTRFS_FILE_EXTENT_INLINE_DATA_START		\
 	(offsetof(struct btrfs_file_extent_item, disk_bytenr))
 static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(const struct btrfs_fs_info *info)