Re: [PATCH v2] nfsd: Always lock state exclusively.

From: Oleg Drokin
Date: Tue Jun 14 2016 - 18:55:13 EST



On Jun 14, 2016, at 6:52 PM, Jeff Layton wrote:
> I think I'd still prefer to have it unlock the mutex in the event that
> it's not going to use it after all. While that kind of thing is ok for
> now, it's stuff like that that can turn into a subtle source of bugs
> later.
>
> Also, I think I'd be more comfortable with this being split into (at
> least) two patches. Do one patch as a straight conversion from rwsem to
> mutex, and then another that changes the code to take the mutex before
> hashing the new stateid.

Ok, I guess that could be arranged too.

And then there's this Bruce's patch to pull more stuff into the init_open_stateid