f2fs: clean up hash codes
authorChao Yu <yuchao0@huawei.com>
Thu, 30 Nov 2017 11:28:21 +0000 (19:28 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Wed, 3 Jan 2018 03:27:30 +0000 (19:27 -0800)
commit416d2dbb4ebc0be6899c0155828ce03c9a01a023
tree6f3c418ad4cfc24e20c84b68dfbc31c4afb42a76
parentbae01eda8e6ef3ba66ee068d91fd4dd31a649c6f
f2fs: clean up hash codes

f2fs_chksum and f2fs_crc32 use the same 'crc32' crypto engine, also
their implementation are almost the same, except with different
shash description context.

Introduce __f2fs_crc32 to wrap the common codes, and reuse it in
f2fs_chksum and f2fs_crc32.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/f2fs.h