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authorChao Yu <yuchao0@huawei.com>2020-02-24 19:20:18 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2020-02-27 10:16:45 -0800
commit0b32dc186486822b636216985802ccf05c1a2c06 (patch)
treedc5a042004e009f03c6ca055c2a49014ef0dd19a /fs
parent61fbae2b2b1201525f8f0f35e0bdf6dfa8ec8541 (diff)
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/compress.c1
-rw-r--r--fs/f2fs/f2fs.h3
2 files changed, 1 insertions, 3 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index dde8ca08e94d..5ca2ea0e1e45 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 d39f5de11420..16ac00f01586 100644
--- 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 */
};