radix-tree: remove unused looping macros

radix_tree_for_each_chunk() and radix_tree_for_each_chunk_slot() have
never been used in the kernel since their introduction in 2012, so
remove them.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 5ce5a1e..e1512a6 100644 (file)
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -478,34 +478,6 @@ radix_tree_next_slot(void **slot, struct radix_tree_iter *iter, unsigned flags)
        return NULL;
 }
 
-/**
- * radix_tree_for_each_chunk - iterate over chunks
- *
- * @slot:      the void** variable for pointer to chunk first slot
- * @root:      the struct radix_tree_root pointer
- * @iter:      the struct radix_tree_iter pointer
- * @start:     iteration starting index
- * @flags:     RADIX_TREE_ITER_* and tag index
- *
- * Locks can be released and reacquired between iterations.
- */
-#define radix_tree_for_each_chunk(slot, root, iter, start, flags)      \
-       for (slot = radix_tree_iter_init(iter, start) ;                 \
-             (slot = radix_tree_next_chunk(root, iter, flags)) ;)
-
-/**
- * radix_tree_for_each_chunk_slot - iterate over slots in one chunk
- *
- * @slot:      the void** variable, at the beginning points to chunk first slot
- * @iter:      the struct radix_tree_iter pointer
- * @flags:     RADIX_TREE_ITER_*, should be constant
- *
- * This macro is designed to be nested inside radix_tree_for_each_chunk().
- * @slot points to the radix tree slot, @iter->index contains its index.
- */
-#define radix_tree_for_each_chunk_slot(slot, iter, flags)              \
-       for (; slot ; slot = radix_tree_next_slot(slot, iter, flags))
-
 /**
  * radix_tree_for_each_slot - iterate over non-empty slots
  *