f2fs: recycle unused compress_data.chksum feild

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

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index dde8ca08e94d45207a34780cbdf66cb906317080..5ca2ea0e1e458075b01b09e7915453d2e5c70aaf 100644 (file)
--- 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 d39f5de114208db22bb0aaf436664d6998d4434d..16ac00f01586f4fdf884398100519a7b22b37534 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1214,10 +1214,9 @@ 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 */
 };