Re: [PATCH 08/11] VFS: add inode_dir_lock/unlock

NeilBrown
2024-12-23T20:36:31Z

On Mon, 23 Dec 2024, Hillf Danton wrote:
> On Mon, 23 Dec 2024 14:10:07 +1100 NeilBrown <neilb@suse.de>
> > On Sat, 21 Dec 2024, Hillf Danton wrote:
> > > Inventing anything like mutex sounds bad.
> >
> > In general I would agree. But when the cost of adding a mutex exceeds
> > the cost of using an alternate solution that only requires 2 bits, I
> > think the alternate solution is justified.
> >
> Inode deserves more than the 2 bits before such a solution is able to
> rework mutex.

I'm sorry but I don't understand what you are saying. Could you please
give more details about your concern?
Are you concerned about correctness? Performance? Maintainability?
Something else?

Thanks,
NeilBrown