* Eric Sandeen:
So, as one example on ext4 - directories never shrink.
# rm -f dir/*
# ls -ld dir
drwxr-xr-x. 2 root root 69632 Feb 26 00:49 dir
69632 byte directory with no files in it, wheeee.
e2fsck -D will shrink such directories in an offline operation, I think.
Thanks,
Florian