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| author | Kinglong Mee <kinglongmee@gmail.com> | 2017-02-25 14:53:39 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-27 21:07:47 +0300 |
| commit | ced2c7ea8e99b46755a270872cd5ba61c27cffad (patch) | |
| tree | 35fb8c20a172d24422d53738c878f16721b059dd /fs/f2fs/node.c | |
| parent | 727ebb091e1778cc3a4842ae04f8f54da111eee0 (diff) | |
| download | linux-ced2c7ea8e99b46755a270872cd5ba61c27cffad.tar.xz | |
f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint
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>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 24ea49f98891..8e53181d5db1 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2462,9 +2462,6 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi) unsigned int nat_bits_bytes = nm_i->nat_blocks / BITS_PER_BYTE; unsigned int i; __u64 cp_ver = cur_cp_version(ckpt); - size_t crc_offset = le32_to_cpu(ckpt->checksum_offset); - __u64 crc = le32_to_cpu(*((__le32 *) - ((unsigned char *)ckpt + crc_offset))); block_t nat_bits_addr; if (!enabled_nat_bits(sbi, NULL)) @@ -2487,7 +2484,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi) f2fs_put_page(page, 1); } - cp_ver |= (crc << 32); + cp_ver |= (cur_cp_crc(ckpt) << 32); if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) { disable_nat_bits(sbi, true); return 0; |