On Tue, Oct 15, 2024 at 09:56:51PM -0700, Christoph Hellwig wrote: > On Wed, Oct 16, 2024 at 12:35:59PM +0800, lizhe.67@xxxxxxxxxxxxx wrote: > > From: Li Zhe <lizhe.67@xxxxxxxxxxxxx> > > > > Introduce a new rwsem interface upgrade_read(). We can call it > > It's obviously a try_upgrade_read, right? Well, that's confusing. "try" usually means "don't sleep", and this sleeps. Maybe it shouldn't sleep; ie we make this fail if there's any other reader? It'll succeed less often, but it'll be easier to understand.
