> I am afraid you won't be happy even if I develop a new feature such like
> - ioctl interface to get the opened file path
> - /sys/fs/aufs/*/opened_files
> - or something.
> Because it is essentially equivalent to Magic SysRq.
I've got a tiny idea.
Try commenting-out a line in fs/aufs/branch.c:au_br_del().
br = au_sbr(sb, bindex);
i = atomic_read(&br->br_count);
if (unlikely(i)) {
AuVerbose(verbose, "%d file(s) opened\n", i);
--> //goto out;
}
And specify "verbose" when you delete a branch, then you may be able to
see what you want.
J. R. Okajima
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