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From: Chao Yu <yuchao0@huawei.com>
To: <jaegeuk@kernel.org>
Cc: <linux-f2fs-devel@lists.sourceforge.net>,
	<linux-kernel@vger.kernel.org>, <chao@kernel.org>,
	Chao Yu <yuchao0@huawei.com>
Subject: [PATCH 4/5] f2fs: recycle unused compress_data.chksum feild
Date: Mon, 24 Feb 2020 19:20:18 +0800	[thread overview]
Message-ID: <20200224112019.93829-4-yuchao0@huawei.com> (raw)
In-Reply-To: <20200224112019.93829-1-yuchao0@huawei.com>

In Struct compress_data, chksum field was never used, remove it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
 fs/f2fs/compress.c | 1 -
 fs/f2fs/f2fs.h     | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 864035549329..e8b88f7bb7a5 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -380,7 +380,6 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
 	}
 
 	cc->cbuf->clen = cpu_to_le32(cc->clen);
-	cc->cbuf->chksum = cpu_to_le32(0);
 
 	for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++)
 		cc->cbuf->reserved[i] = cpu_to_le32(0);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 468f807fd917..bd264d8cddaf 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1233,10 +1233,9 @@ enum compress_algorithm_type {
 	COMPRESS_MAX,
 };
 
-#define COMPRESS_DATA_RESERVED_SIZE		4
+#define COMPRESS_DATA_RESERVED_SIZE		5
 struct compress_data {
 	__le32 clen;			/* compressed data size */
-	__le32 chksum;			/* checksum of compressed data */
 	__le32 reserved[COMPRESS_DATA_RESERVED_SIZE];	/* reserved */
 	u8 cdata[];			/* compressed data */
 };
-- 
2.18.0.rc1


  parent reply	other threads:[~2020-02-24 11:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-24 11:20 [PATCH 1/5] f2fs: fix to show tracepoint correctly Chao Yu
2020-02-24 11:20 ` [PATCH 2/5] f2fs: fix to avoid potential deadlock Chao Yu
2020-02-24 11:20 ` [PATCH 3/5] f2fs: fix to avoid NULL pointer dereference Chao Yu
2020-02-24 11:20 ` Chao Yu [this message]
2020-02-24 11:20 ` [PATCH 5/5] f2fs: add missing function name in kernel message Chao Yu

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