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f2fs: use cryptoapi crc32 functions

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The crc function is done bit by bit.
Optimize this by use cryptoapi
crc32 function which is backed by h/w acceleration.

Signed-off-by: Keith Mok <ek9852@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Keith Mok
2016-03-02 12:04:24 -08:00
committed by Jaegeuk Kim
parent 999270de31
commit 43b6573bac
4 changed files with 45 additions and 24 deletions
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6
fs/f2fs/checkpoint.c
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@@ -635,7 +635,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
goto invalid_cp1;
crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
if (!f2fs_crc_valid(crc, cp_block, crc_offset))
if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset))
goto invalid_cp1;
pre_version = cur_cp_version(cp_block);
@@ -650,7 +650,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
goto invalid_cp2;
crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
if (!f2fs_crc_valid(crc, cp_block, crc_offset))
if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset))
goto invalid_cp2;
cur_version = cur_cp_version(cp_block);
@@ -1029,7 +1029,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
crc32 = f2fs_crc32(ckpt, le32_to_cpu(ckpt->checksum_offset));
crc32 = f2fs_crc32(sbi, ckpt, le32_to_cpu(ckpt->checksum_offset));
*((__le32 *)((unsigned char *)ckpt +
le32_to_cpu(ckpt->checksum_offset)))
= cpu_to_le32(crc32);