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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2016-03-07 17:29:34 -0900 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2016-09-17 21:29:57 -0800 |
| commit | a6d1b7c33e59f246281f8c77f7fe657525e512b0 (patch) | |
| tree | 7d3f155745ccc78204a65c7bf041e9f4020d79c4 | |
| parent | 347ac669bb8b00defcf04fa3648f2668bdd3d835 (diff) | |
radix-tree: kill radix_tree_gang_lookup_slot()pagecache_iter
| -rw-r--r-- | include/linux/radix-tree.h | 4 | ||||
| -rw-r--r-- | lib/radix-tree.c | 42 |
2 files changed, 0 insertions, 46 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index a83a42770f41..41e2bab16070 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -152,7 +152,6 @@ static inline bool radix_tree_empty(struct radix_tree_root *root) * radix_tree_lookup_slot * radix_tree_tag_get * radix_tree_gang_lookup - * radix_tree_gang_lookup_slot * radix_tree_gang_lookup_tag * radix_tree_gang_lookup_tag_slot * radix_tree_tagged @@ -286,9 +285,6 @@ struct radix_tree_node *radix_tree_replace_clear_tags( unsigned int radix_tree_gang_lookup(struct radix_tree_root *root, void **results, unsigned long first_index, unsigned int max_items); -unsigned int radix_tree_gang_lookup_slot(struct radix_tree_root *root, - void ***results, unsigned long *indices, - unsigned long first_index, unsigned int max_items); int radix_tree_preload(gfp_t gfp_mask); int radix_tree_maybe_preload(gfp_t gfp_mask); void radix_tree_init(void); diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 8b7d8459bb9d..341f8217188c 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1123,48 +1123,6 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, EXPORT_SYMBOL(radix_tree_gang_lookup); /** - * radix_tree_gang_lookup_slot - perform multiple slot lookup on radix tree - * @root: radix tree root - * @results: where the results of the lookup are placed - * @indices: where their indices should be placed (but usually NULL) - * @first_index: start the lookup from this key - * @max_items: place up to this many items at *results - * - * Performs an index-ascending scan of the tree for present items. Places - * their slots at *@results and returns the number of items which were - * placed at *@results. - * - * The implementation is naive. - * - * Like radix_tree_gang_lookup as far as RCU and locking goes. Slots must - * be dereferenced with radix_tree_deref_slot, and if using only RCU - * protection, radix_tree_deref_slot may fail requiring a retry. - */ -unsigned int -radix_tree_gang_lookup_slot(struct radix_tree_root *root, - void ***results, unsigned long *indices, - unsigned long first_index, unsigned int max_items) -{ - struct radix_tree_iter iter; - void **slot; - unsigned int ret = 0; - - if (unlikely(!max_items)) - return 0; - - radix_tree_for_each_slot(slot, root, &iter, first_index) { - results[ret] = slot; - if (indices) - indices[ret] = iter.index; - if (++ret == max_items) - break; - } - - return ret; -} -EXPORT_SYMBOL(radix_tree_gang_lookup_slot); - -/** * radix_tree_gang_lookup_tag - perform multiple lookup on a radix tree * based on a tag * @root: radix tree root |