Hello,
If arbitrary other tasks are running, the only way to be absolutely
certain you're not calling unlink() in a directory is to never call
unlink().
there is one way to do it safe but it is so ugly that it is
unacceptable: don't call unlink as a privileged user (eg. root). So I
hope that one of the patches make it into git soon. I like the second
patch better because it does less system calls. Not that it matters.
For my co-workers I already build a git version with the patch in so
that they can continue to work as root. Don't even think about asking.
Thomas