Unfortunately, what you are requesting isn't possible. E4defrag works
in an online mode -- that it is, it works while the file system is
mounted.
E2fsck -D works off-line; the file system must be unmounted to optimize
the directory. So it simply wouldn't be possible to move the
functionality from e2fsck to e4defrag without adding a huge amount of
kernel support. And in practice, honestly, it's rarely needed.
If you know no one is using a dirctory, you can mostly get the behaviour
you want by doing this:
mkdir foo.new ; mv foo.new/* foo ; rmdir foo ; mv foo.new foo
Of course, if something is trying to access the directory foo while you
are doing this, it will fail, which is why this isn't something that I
would put into e4defrag. Also, it's pretty simple for anyone to do from
the command line.
** Changed in: e2fsprogs (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1348775
Title:
Supporting -D from e2fsck in e4defrag
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