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); } }