On Thu, Nov 20, 2014 at 09:20:14PM +0400, Andrey Konovalov wrote: > It seems that one thread increments 'dentry->d_lockref.count', while > other does 'lockref_put_or_lock(&dentry->d_lockref)' without any > synchronization. > > Could you confirm if this is a real race?
I can not. Increment in __d_lookup() is under ->d_lockref.lock (aka ->d_lock) and lockref_put_or_lock() is atomic wrt that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
