linux-kernel - [PATCH 1/3] dm writecache: remove unused member pointer in writeback

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Message-Id: <20190825072433.2628-2-yehs2007@zoho.com>
Date:   Sun, 25 Aug 2019 15:24:31 +0800
From:   Huaisheng Ye <yehs2007@...o.com>
To:     mpatocka@...hat.com, snitzer@...hat.com, agk@...hat.com
Cc:     prarit@...hat.com, tyu1@...ovo.com, dm-devel@...hat.com,
        linux-kernel@...r.kernel.org, Huaisheng Ye <yehs1@...ovo.com>
Subject: [PATCH 1/3] dm writecache: remove unused member pointer in writeback_struct

From: Huaisheng Ye <yehs1@...ovo.com>

The stucture member pointer page in writeback_struct never has been
used actually. Remove it.

Signed-off-by: Huaisheng Ye <yehs1@...ovo.com>
Acked-by: Mikulas Patocka <mpatocka@...hat.com>
---
 drivers/md/dm-writecache.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 1cb137f..5c7009d 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -190,7 +190,6 @@ struct writeback_struct {
 	struct dm_writecache *wc;
 	struct wc_entry **wc_list;
 	unsigned wc_list_n;
-	struct page *page;
 	struct wc_entry *wc_list_inline[WB_LIST_INLINE];
 	struct bio bio;
 };
-- 
1.8.3.1