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authorPeng Zhang <zhangpeng.00@bytedance.com>2023-07-11 11:54:43 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-08-18 10:12:22 -0700
commit29b2681f1aa95cff6ec0afdeac0b2cab659a5564 (patch)
tree01ef9b853d0b6afb9f75bf23ddf5ff56bfd3b66e /lib
parenta489539e33c29b469bcd023a32c99078c2597c7c (diff)
maple_tree: replace mas_logical_pivot() with mas_safe_pivot()
Replace mas_logical_pivot() with mas_safe_pivot() and drop mas_logical_pivot() since it won't be used anymore. We can do this since now all nodes will have node limit pivot (if it is not full node). Link: https://lkml.kernel.org/r/20230711035444.526-8-zhangpeng.00@bytedance.com Signed-off-by: Peng Zhang <zhangpeng.00@bytedance.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/maple_tree.c33
1 files changed, 3 insertions, 30 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index e08ef44926c6..4f3209ca0e3b 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -729,33 +729,6 @@ mas_safe_min(struct ma_state *mas, unsigned long *pivots, unsigned char offset)
}
/*
- * mas_logical_pivot() - Get the logical pivot of a given offset.
- * @mas: The maple state
- * @pivots: The pointer to the maple node pivots
- * @offset: The offset into the pivot array
- * @type: The maple node type
- *
- * When there is no value at a pivot (beyond the end of the data), then the
- * pivot is actually @mas->max.
- *
- * Return: the logical pivot of a given @offset.
- */
-static inline unsigned long
-mas_logical_pivot(struct ma_state *mas, unsigned long *pivots,
- unsigned char offset, enum maple_type type)
-{
- unsigned long lpiv = mas_safe_pivot(mas, pivots, offset, type);
-
- if (likely(lpiv))
- return lpiv;
-
- if (likely(offset))
- return mas->max;
-
- return lpiv;
-}
-
-/*
* mte_set_pivot() - Set a pivot to a value in an encoded maple node.
* @mn: The encoded maple node
* @piv: The pivot offset
@@ -2202,7 +2175,7 @@ static noinline_for_kasan void mas_store_b_node(struct ma_wr_state *wr_mas,
goto b_end;
/* Handle new range ending before old range ends */
- piv = mas_logical_pivot(mas, wr_mas->pivots, offset_end, wr_mas->type);
+ piv = mas_safe_pivot(mas, wr_mas->pivots, offset_end, wr_mas->type);
if (piv > mas->last) {
if (piv == ULONG_MAX)
mas_bulk_rebalance(mas, b_node->b_end, wr_mas->type);
@@ -4935,7 +4908,7 @@ static inline bool mas_anode_descend(struct ma_state *mas, unsigned long size)
min = mas_safe_min(mas, pivots, offset);
data_end = ma_data_end(node, type, pivots, mas->max);
for (; offset <= data_end; offset++) {
- pivot = mas_logical_pivot(mas, pivots, offset, type);
+ pivot = mas_safe_pivot(mas, pivots, offset, type);
/* Not within lower bounds */
if (mas->index > pivot)
@@ -6981,7 +6954,7 @@ static void mas_validate_gaps(struct ma_state *mas)
gaps = ma_gaps(node, mt);
for (i = 0; i < mt_slot_count(mte); i++) {
- p_end = mas_logical_pivot(mas, pivots, i, mt);
+ p_end = mas_safe_pivot(mas, pivots, i, mt);
if (!gaps) {
if (!mas_get_slot(mas, i))