diff options
Diffstat (limited to 'misc/dumpe2fs.c')
| -rw-r--r-- | misc/dumpe2fs.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c index b966b4d5..6e09f9d9 100644 --- a/misc/dumpe2fs.c +++ b/misc/dumpe2fs.c @@ -286,10 +286,14 @@ static void list_bad_blocks(ext2_filsys fs, int dump) 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; - int size; + char buf[1024]; + __u32 *mask_ptr, mask, m; + int i, j, size, printed = 0; retval = ext2fs_read_inode(fs, ino, &inode); if (retval) { @@ -297,6 +301,38 @@ static void print_inline_journal_information(ext2_filsys fs) _("while reading journal inode")); exit(1); } + retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file); + if (retval) { + com_err(program_name, retval, + _("while opening journal inode")); + exit(1); + } + 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) && @@ -308,6 +344,12 @@ static void print_inline_journal_information(ext2_filsys fs) 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)); } static void print_journal_information(ext2_filsys fs) |