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f2fs: recycle unused compress_data.chksum feild

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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>
This commit is contained in:
Chao Yu 2020-02-24 19:20:18 +08:00 committed by Jaegeuk Kim
parent 61fbae2b2b
commit 0b32dc1864
2 changed files with 1 additions and 3 deletions
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1
fs/f2fs/compress.c
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@ -380,7 +380,6 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
} }
cc->cbuf->clen = cpu_to_le32(cc->clen); cc->cbuf->clen = cpu_to_le32(cc->clen);
cc->cbuf->chksum = cpu_to_le32(0);
for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++) for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++)
cc->cbuf->reserved[i] = cpu_to_le32(0); cc->cbuf->reserved[i] = cpu_to_le32(0);

3
fs/f2fs/f2fs.h
View File

@ -1214,10 +1214,9 @@ enum compress_algorithm_type {
COMPRESS_MAX, COMPRESS_MAX,
}; };
#define COMPRESS_DATA_RESERVED_SIZE 4 #define COMPRESS_DATA_RESERVED_SIZE 5
struct compress_data { struct compress_data {
__le32 clen; /* compressed data size */ __le32 clen; /* compressed data size */
__le32 chksum; /* checksum of compressed data */
__le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */
u8 cdata[]; /* compressed data */ u8 cdata[]; /* compressed data */
}; };