static void print_inline_journal_information(ext2_filsys fs)
{
journal_superblock_t *jsb;
struct ext2_inode inode;
ext2_file_t journal_file;
errcode_t retval;
ino_t ino = fs->super->s_journal_inum;
char buf[1024];
__u32 *mask_ptr, mask, m;
int i, j, size, printed = 0;
if (fs->flags & EXT2_FLAG_IMAGE_FILE)
return;
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval) {
com_err(program_name, retval, "%s",
_("while reading journal inode"));
exit(1);
}
retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
if (retval) {
com_err(program_name, retval, "%s",
_("while opening journal inode"));
exit(1);
}
retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
if (retval) {
com_err(program_name, retval, "%s",
_("while reading journal super block"));
exit(1);
}
ext2fs_file_close(journal_file);
jsb = (journal_superblock_t *) buf;
if (be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) {
fprintf(stderr, "%s",
_("Journal superblock magic number invalid!\n"));
exit(1);
}
printf("%s", _("Journal features: "));
for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
mask = be32_to_cpu(*mask_ptr);
for (j=0,m=1; j < 32; j++, m<<=1) {
if (mask & m) {
printf(" %s", e2p_jrnl_feature2string(i, m));
printed++;
}
}
}
if (printed == 0)
printf(" (none)");
printf("\n");
fputs(_("Journal size: "), stdout);
if ((fs->super->s_feature_ro_compat &
EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
(inode.i_flags & EXT4_HUGE_FILE_FL))
size = inode.i_blocks / (fs->blocksize / 1024);
else
size = inode.i_blocks >> 1;
if (size < 8192)
printf("%uk\n", size);
else
printf("%uM\n", size >> 10);
printf(_("Journal length: %u\n"
"Journal sequence: 0x%08x\n"
"Journal start: %u\n"),
(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));
}
static void print_journal_information(ext2_filsys fs)
{
errcode_t retval;
char buf[1024];
char str[80];
unsigned int i, j, printed = 0;
journal_superblock_t *jsb;
__u32 *mask_ptr, mask, m;
/* Get the journal superblock */
if ((retval = io_channel_read_blk64(fs->io,
fs->super->s_first_data_block + 1,
-1024, buf))) {
com_err(program_name, retval, "%s",
_("while reading journal superblock"));
exit(1);
}
jsb = (journal_superblock_t *) buf;
if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) ||
(jsb->s_header.h_blocktype !=
(unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
com_err(program_name, 0, "%s",
_("Couldn't find journal superblock magic numbers"));
exit(1);
}
if (jsb->s_feature_compat &
ext2fs_cpu_to_be32(JFS_FEATURE_COMPAT_CHECKSUM))
printf("%s", _("Journal checksum type: crc32\n"));
if ((jsb->s_feature_incompat &
ext2fs_cpu_to_be32(JFS_FEATURE_INCOMPAT_CSUM_V3)) ||
(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("%s", _("Journal features: "));
for (i = 0, mask_ptr = &jsb->s_feature_compat; i < 3; i++, mask_ptr++) {
mask = be32_to_cpu(*mask_ptr);
for (j = 0, m = 1; j < 32; j++, m <<= 1) {
if (mask & m) {
printf(" %s", e2p_jrnl_feature2string(i, m));
printed++;
}
}
}
printf(_("\nJournal block size: %u\n"
"Journal length: %u\n"
"Journal first block: %u\n"
"Journal sequence: 0x%08x\n"
"Journal start: %u\n"
"Journal number of users: %u\n"),
(unsigned int)ntohl(jsb->s_blocksize), (unsigned int)ntohl(jsb->s_maxlen),
(unsigned int)ntohl(jsb->s_first), (unsigned int)ntohl(jsb->s_sequence),
(unsigned int)ntohl(jsb->s_start), (unsigned int)ntohl(jsb->s_nr_users));
for (i=0; i < ntohl(jsb->s_nr_users); i++) {
uuid_unparse(&jsb->s_users[i*16], str);
printf(i ? " %s\n"
: _("Journal users: %s\n"),
str);
}
}
