Re: [PATCH rcu] srcu: Guarantee non-negative return value from srcu_read_lock()
From: Christoph Hellwig
Date: Tue Oct 22 2024 - 02:51:50 EST
On Mon, Oct 21, 2024 at 03:13:05PM -0700, Paul E. McKenney wrote:
> For almost 20 years, the int return value from srcu_read_lock() has
> been always either zero or one. This commit therefore documents the
> fact that it will be non-negative.
If it is always zero or one, wouldn't bool the better return value
type?