On Jun 22, 2017, at 12:18 PM, Darrick J. Wong <darrick.wong@xxxxxxxxxx> wrote: > > I've taken a first stab at capturing the on-disk format updates for ea > inodes. Let me know about any inaccuracies (though being a wiki, you > can fix them yourself if you're so inclined). > > Also -- what is the value of i_mtime (ea inode parent pointer) when the > refcount > 1? Thanks for the update Darrick. I clarified that i_mtime/i_generation is only for refcount == 1. I don't know if the current code will clear these values if refcount > 1 or not, or if they are just unused in that case? > [1] https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout Cheers, Andreas
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