From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver

---
 kernel/fs/nilfs2/page.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/kernel/fs/nilfs2/page.c b/kernel/fs/nilfs2/page.c
index d1a148f..81992b9 100644
--- a/kernel/fs/nilfs2/page.c
+++ b/kernel/fs/nilfs2/page.c
@@ -369,7 +369,15 @@
 			struct page *page = pvec.pages[i];
 
 			lock_page(page);
-			nilfs_clear_dirty_page(page, silent);
+
+			/*
+			 * This page may have been removed from the address
+			 * space by truncation or invalidation when the lock
+			 * was acquired.  Skip processing in that case.
+			 */
+			if (likely(page->mapping == mapping))
+				nilfs_clear_dirty_page(page, silent);
+
 			unlock_page(page);
 		}
 		pagevec_release(&pvec);

--
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