On Wed, 20 Oct 2021, Matthew Wilcox wrote: > On Wed, Oct 20, 2021 at 10:05:08AM +1100, NeilBrown wrote: > > some more minor glitches ... > > > +7. ANALOGY WITH REFERENCE COUNTING > > +----------------------------------- > > + > > +Many uses of RCU do not look so much like reader-writer locking as > > +illustrated by the previous section and so it can be helpful to have > > +other analogies to draw on. One such analogy involves thinking of its > > +behaviour as similar to reference counting: RCU effectively provides a > > +temporary protected reference on "everything". > > This paragraph is a bit clunky. How about: > > The reader-writer analogy (illustrated by the previous section) is not > always the easiest way to think about using RCU. Another analogy which > can be helpful is to consider RCU as providing an effective reference > count on everything which is protected by RCU. Yes, much better. I chose "best" rather than "easiest" though. Other changes Incorporated too. Result to follow. Thanks, NeilBrown
