f2fs: compress: fix compression chksum
authorChao Yu <yuchao0@huawei.com>
Wed, 9 Dec 2020 08:42:14 +0000 (16:42 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 10 Dec 2020 17:13:53 +0000 (09:13 -0800)
This patch addresses minor issues in compression chksum.

Fixes: b28f047b28c5 ("f2fs: compress: support chksum")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/compress.c
fs/f2fs/compress.h [new file with mode: 0644]

index f05d409..4bcbacf 100644 (file)
@@ -796,7 +796,7 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
 
        ret = cops->decompress_pages(dic);
 
-       if (!ret && fi->i_compress_flag & 1 << COMPRESS_CHKSUM) {
+       if (!ret && (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)) {
                u32 provided = le32_to_cpu(dic->cbuf->chksum);
                u32 calculated = f2fs_crc32(sbi, dic->cbuf->cdata, dic->clen);
 
@@ -809,7 +809,6 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
                                        provided, calculated);
                        }
                        set_sbi_flag(sbi, SBI_NEED_FSCK);
-                       WARN_ON_ONCE(1);
                }
        }
 
diff --git a/fs/f2fs/compress.h b/fs/f2fs/compress.h
new file mode 100644 (file)
index 0000000..e69de29