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f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint

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There are four places that getting the crc value in f2fs_checkpoint,
just add a new helper cur_cp_crc for them.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Kinglong Mee
2017-02-25 19:53:39 +08:00
committed by Jaegeuk Kim
parent 727ebb091e
commit ced2c7ea8e
4 changed files with 15 additions and 19 deletions
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3
fs/f2fs/checkpoint.c
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@@ -683,8 +683,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
return -EINVAL;
}
crc = le32_to_cpu(*((__le32 *)((unsigned char *)*cp_block
+ crc_offset)));
crc = cur_cp_crc(*cp_block);
if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) {
f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
return -EINVAL;