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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>
This commit is contained in:
Ross Zwisler 2016-05-20 17:01:51 -07:00 committed by Linus Torvalds
parent 7f308671c7
commit 6c4bd68a29
1 changed files with 0 additions and 28 deletions
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28
include/linux/radix-tree.h
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@ -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
*