On 06/10/15 at 04:13P, Rick Macklem wrote:
> Hi,
> I just MFC'd a patch from head to stable/10 that defines some
> tunables using CTLFLAG_RDTUN. Although the MFC didn't break
> anything, the tunables don't get changed by the values in /boot/loader.conf.
> By applying a patch like this:
>  SYSCTL_DECL(_vfs_nfsd);
>  int  nfsrv_statehashsize = NFSSTATEHASHSIZE;
> +TUNABLE_INT("vfs.nfsd.statehashsize", &nfsrv_statehashsize);
>  SYSCTL_INT(_vfs_nfsd, OID_AUTO, statehashsize, CTLFLAG_RDTUN,
>      &nfsrv_statehashsize, 0,
>      "Size of state hash table set via loader.conf");
> they get set ok.
> So, is this correct or have I done something stupid?

I believe that is correct. hans changed how they are declared with r267961
and now you do not need TUNABLE_INT() on -head.
> And, if it correct, do I commit a patch like the above directly
> to stable/10. (It seems that TUNABLE_INT() is discouraged for -head.)

That's the correct way, afaik.


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