Hi! > > Would e2fsck -D help? What kind of optimization > > does it perform? > > It will help a little; e2fsck -D compresses the logical view of the > directory, but it doesn't optimize the physical layout on disk at all, > and of course, it won't help with the lack of readahead logic. It's > possible to improve how e2fsck -D works, at the moment, it's not > trying to make the directory be contiguous on disk. What it should > probably do is to pull a list of all of the blocks used by the > directory, sort them, and then try to see if it can improve on the > list by allocating some new blocks that would make the directory more > contiguous on disk. I suspect any improvements that would be seen by > doing this would be second order effects at most, though. ...sounds like a job for e2defrag, not e2fsck... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
