On Fri, Sep 01, 2017 at 04:41:01PM +0100, David Howells wrote: > Implement functions that increment or decrement a refcount_t object and > return the value. The dec-and-ret function can be used to maintain a > counter in a cache where 1 means the object is unused, but available and > the garbage collector can use refcount_dec_if_one() to make the object > unavailable. Further, both functions can be used to accurately trace the > refcount (refcount_inc() followed by refcount_read() can't be considered > accurate). Please just use a different interface for that instead of overloading refcount_t. The main use case of that type is that it is so simple that it is hard to get wrong (and have additional checking if things go wrong)
