+ retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
+ if (retval) {
+ com_err(program_name, retval,
+ _("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,
+ "Journal superblock magic number invalid!\n");
+ exit(1);
+ }
+ printf(_("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));