linux-kernel - [PATCH v3 5/5] Xarray: use xa_mark_t in xas_squash

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Message-Id: <20241213122523.12764-6-shikemeng@huaweicloud.com>
Date: Fri, 13 Dec 2024 20:25:23 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: akpm@...ux-foundation.org,
	willy@...radead.org
Cc: linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH v3 5/5] 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.

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 lib/xarray.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/lib/xarray.c b/lib/xarray.c
index 4231af284bd8..a74795911f1c 100644
--- a/lib/xarray.c
+++ b/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 */
-- 
2.30.0