On Mon, Sep 7, 2009 at 22:13, Florian Zumbiehl <florz@xxxxxxxx> wrote:
>> >> I'm still concerned/interested about the effect on performance. But
>> >
>> > I guess that somebody should try it out ;-)
>>
>> I'm pretty sure we should not introduce any sort of global
>> serialization locks here. We have to handle thousands events in
>> parallel on some boxes, and most of them don't need any of theses
>> locks.
>>
>> Why can't we just create the subdir and the link or node inside one
>> and the same retry-loop? The link or node will pin the subdir and any
>
> that certainly is _possible_ - it just seems to be pretty difficult
> to do, at least for me. The syscall for creating the object is not
> necessarily the immediate next thing after the call to
> util_create_path(), ...
I guess we could do some:
ensure_path(/dev/foo/bar) {
selinux_something(...)
mknod(/dev/foo/bar, ...);
selinux_someting(...);
}
macro hackery to wrap a bunch of instructions in a retry loop?
Kay
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