diff options
| author | Darrick J. Wong <djwong@us.ibm.com> | 2012-04-29 18:47:10 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-04-29 18:47:10 -0400 |
| commit | 5c359a47e7d999a0ea7f397da2c15590d0a82815 (patch) | |
| tree | f104bbabd12d6ac422bf80a6c477b803102ed3c7 /fs/ext4/ext4.h | |
| parent | feb0ab32a57e4e6c8b24f6fb68f0ce08efe4603c (diff) | |
ext4: add checksums to the MMP block
Compute and verify a checksum for the MMP block.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 84e76bb9607..0ee9669394f 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2413,6 +2413,9 @@ extern int ext4_bio_write_page(struct ext4_io_submit *io, /* mmp.c */ extern int ext4_multi_mount_protect(struct super_block *, ext4_fsblk_t); +extern void ext4_mmp_csum_set(struct super_block *sb, struct mmp_struct *mmp); +extern int ext4_mmp_csum_verify(struct super_block *sb, + struct mmp_struct *mmp); /* BH_Uninit flag: blocks are allocated but uninitialized on disk */ enum ext4_state_bits { |