linux-kernel - [PATCH] erofs: directly use wrapper erofs_page_is

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Date:   Tue, 10 Aug 2021 14:54:50 +0800
From:   Yue Hu <zbestahu@...il.com>
To:     xiang@...nel.org, chao@...nel.org, linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, huyue2@...ong.com, zbestahu@....com
Subject: [PATCH] erofs: directly use wrapper erofs_page_is_managed() when shrinking

From: Yue Hu <huyue2@...ong.com>

We already have the wrapper function to identify managed page.

Signed-off-by: Yue Hu <huyue2@...ong.com>
---
 fs/erofs/zdata.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 78e4b59..a809730 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -310,7 +310,6 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
 {
 	struct z_erofs_pcluster *const pcl =
 		container_of(grp, struct z_erofs_pcluster, obj);
-	struct address_space *const mapping = MNGD_MAPPING(sbi);
 	int i;
 
 	/*
@@ -327,7 +326,7 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
 		if (!trylock_page(page))
 			return -EBUSY;
 
-		if (page->mapping != mapping)
+		if (!erofs_page_is_managed(sbi, page))
 			continue;
 
 		/* barrier is implied in the following 'unlock_page' */
-- 
1.9.1