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| author | Darrick J. Wong <djwong@us.ibm.com> | 2012-08-02 20:47:45 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-08-02 20:47:45 -0400 |
| commit | 382fad03a2f258f830e2a6a3431a7a2515c2eebf (patch) | |
| tree | 9dd5581973bfe7601311004cc522a524052bc167 /misc/dumpe2fs.c | |
| parent | 2556373a33c694a277ebd6e35d16384dff2dc692 (diff) | |
| download | e2fsprogs-382fad03a2f258f830e2a6a3431a7a2515c2eebf.tar.gz | |
libext2fs: dump feature flags for jbd2 v2 checksums
Modify the dump code to print information about jbd2 v2 checksum data.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'misc/dumpe2fs.c')
| -rw-r--r-- | misc/dumpe2fs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c index 3ba3e9b5..e18843ee 100644 --- a/misc/dumpe2fs.c +++ b/misc/dumpe2fs.c @@ -324,6 +324,16 @@ static void list_bad_blocks(ext2_filsys fs, int dump) ext2fs_badblocks_list_free(bb_list); } +static char *journal_checksum_type_str(__u8 type) +{ + switch (type) { + case JBD2_CRC32C_CHKSUM: + return "crc32c"; + default: + return "unknown"; + } +} + static void print_inline_journal_information(ext2_filsys fs) { journal_superblock_t *jsb; @@ -390,6 +400,15 @@ static void print_inline_journal_information(ext2_filsys fs) (unsigned int)ntohl(jsb->s_maxlen), (unsigned int)ntohl(jsb->s_sequence), (unsigned int)ntohl(jsb->s_start)); + if (jsb->s_feature_compat & + ext2fs_cpu_to_be32(JFS_FEATURE_COMPAT_CHECKSUM)) + printf(_("Journal checksum type: crc32\n")); + if (jsb->s_feature_incompat & + ext2fs_cpu_to_be32(JFS_FEATURE_INCOMPAT_CSUM_V2)) + printf(_("Journal checksum type: %s\n" + "Journal checksum: 0x%08x\n"), + journal_checksum_type_str(jsb->s_checksum_type), + ext2fs_be32_to_cpu(jsb->s_checksum)); if (jsb->s_errno != 0) printf(_("Journal errno: %d\n"), (int) ntohl(jsb->s_errno)); @@ -418,6 +437,16 @@ static void print_journal_information(ext2_filsys fs) exit(1); } + if (jsb->s_feature_compat & + ext2fs_cpu_to_be32(JFS_FEATURE_COMPAT_CHECKSUM)) + printf(_("Journal checksum type: crc32\n")); + if (jsb->s_feature_incompat & + ext2fs_cpu_to_be32(JFS_FEATURE_INCOMPAT_CSUM_V2)) + printf(_("Journal checksum type: %s\n" + "Journal checksum: 0x%08x\n"), + journal_checksum_type_str(jsb->s_checksum_type), + ext2fs_be32_to_cpu(jsb->s_checksum)); + printf(_("\nJournal block size: %u\n" "Journal length: %u\n" "Journal first block: %u\n" |