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| author | Darrick J. Wong <djwong@us.ibm.com> | 2012-04-29 18:45:10 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-04-29 18:45:10 -0400 |
| commit | feb0ab32a57e4e6c8b24f6fb68f0ce08efe4603c (patch) | |
| tree | 6438fc46013c2f5d60e78060c66e2809c6056f1a /fs/ext4/ext4.h | |
| parent | cc8e94fd126ab2d2e4bcb1b65c7316196f0cec8c (diff) | |
| download | blackbird-op-linux-feb0ab32a57e4e6c8b24f6fb68f0ce08efe4603c.tar.gz blackbird-op-linux-feb0ab32a57e4e6c8b24f6fb68f0ce08efe4603c.zip | |
ext4: make block group checksums use metadata_csum algorithm
metadata_csum supersedes uninit_bg. Convert the ROCOMPAT uninit_bg
flag check to a helper function that covers both, and make the
checksum calculation algorithm use either crc16 or the metadata_csum
chosen algorithm depending on which flag is set. Print a warning if
we try to mount a filesystem with both feature flags set.
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 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 57d7c356eaab..84e76bb96070 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2114,10 +2114,10 @@ extern void ext4_used_dirs_set(struct super_block *sb, struct ext4_group_desc *bg, __u32 count); extern void ext4_itable_unused_set(struct super_block *sb, struct ext4_group_desc *bg, __u32 count); -extern __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 group, - struct ext4_group_desc *gdp); -extern int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 group, +extern int ext4_group_desc_csum_verify(struct super_block *sb, __u32 group, struct ext4_group_desc *gdp); +extern void ext4_group_desc_csum_set(struct super_block *sb, __u32 group, + struct ext4_group_desc *gdp); static inline int ext4_has_group_desc_csum(struct super_block *sb) { |
