1 files changed, 0 insertions, 29 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 4a4362f5cc52..be94030e1dfb 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -529,35 +529,6 @@ static struct extent_map *next_extent_map(const struct extent_map *em)
 	return container_of(next, struct extent_map, rb_node);
 }
 
-/*
- * Get the extent map that immediately follows another one.
- *
- * @tree:       The extent map tree that the extent map belong to.
- *              Holding read or write access on the tree's lock is required.
- * @em:         An extent map from the given tree. The caller must ensure that
- *              between getting @em and between calling this function, the
- *              extent map @em is not removed from the tree - for example, by
- *              holding the tree's lock for the duration of those 2 operations.
- *
- * Returns the extent map that immediately follows @em, or NULL if @em is the
- * last extent map in the tree.
- */
-struct extent_map *btrfs_next_extent_map(const struct extent_map_tree *tree,
-					 const struct extent_map *em)
-{
-	struct extent_map *next;
-
-	/* The lock must be acquired either in read mode or write mode. */
-	lockdep_assert_held(&tree->lock);
-	ASSERT(extent_map_in_tree(em));
-
-	next = next_extent_map(em);
-	if (next)
-		refcount_inc(&next->refs);
-
-	return next;
-}
-
 static struct extent_map *prev_extent_map(struct extent_map *em)
 {
 	struct rb_node *prev;