I'm trying to understand more about the ext3 filesystem and was going through the source code when I had a doubt. Would it be possible to figure out the journal inode number for a given ext3 disk using any utility that is out there?
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In case you are still interested this quote from Ext4 wiki (you can find more interesting facts about ext-family there):
The journal inode is typically inode 8. The first 68 bytes of the journal inode are replicated in the ext4 superblock. The journal itself is normal (but hidden) file within the filesystem. The file usually consumes an entire block group, though mke2fs tries to put it in the middle of the disk.
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