Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent

Besides xas_squash_marks(), all functions use xa_mark_t type to iterate
all possible marks.  Use xa_mark_t in xas_squash_marks() to keep code
consistent.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kemeng Shi <[email protected]>
Cc: Mattew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Kemeng Shi

lib/xarray.c

@@ -125,16 +125,20 @@ static inline void node_mark_all(struct xa_node *node, xa_mark_t mark)
  */
 static void xas_squash_marks(const struct xa_state *xas)
 {
-	unsigned int mark = 0;
+	xa_mark_t mark = 0;
 	unsigned int limit = xas->xa_offset + xas->xa_sibs + 1;
 
-	do {
-		unsigned long *marks = xas->xa_node->marks[mark];
-		if (find_next_bit(marks, limit, xas->xa_offset + 1) == limit)
-			continue;
-		__set_bit(xas->xa_offset, marks);
-		bitmap_clear(marks, xas->xa_offset + 1, xas->xa_sibs);
-	} while (mark++ != (__force unsigned)XA_MARK_MAX);
+	for (;;) {
+		unsigned long *marks = node_marks(xas->xa_node, mark);
+
+		if (find_next_bit(marks, limit, xas->xa_offset + 1) != limit) {
+			__set_bit(xas->xa_offset, marks);
+			bitmap_clear(marks, xas->xa_offset + 1, xas->xa_sibs);
+		}
+		if (mark == XA_MARK_MAX)
+			break;
+		mark_inc(mark);
+	}
 }
 
 /* extracts the offset within this node from the index */