On Sat, 18 Jul 2015 07:33:31 +0800
Kinglong Mee <kinglongmee@xxxxxxxxx> wrote:
> If using clientid_counter, gen_confirm will generate same verifier
> in one second.
>
> A new counter for client confirm verifier make sure gen_confirm
> generating different each calling for the same clientid.
>
> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
> ---
> fs/nfsd/netns.h | 1 +
> fs/nfsd/nfs4state.c | 2 +-
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
> index ea6749a..d8b16c2 100644
> --- a/fs/nfsd/netns.h
> +++ b/fs/nfsd/netns.h
> @@ -110,6 +110,7 @@ struct nfsd_net {
> unsigned int max_connections;
>
> u32 clientid_counter;
> + u32 clverifier_counter;
>
> struct svc_serv *nfsd_serv;
> };
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 61dfb33..5a64757e 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -1894,7 +1894,7 @@ static void gen_confirm(struct nfs4_client *clp, struct nfsd_net *nn)
> * __force to keep sparse happy
> */
> verf[0] = (__force __be32)get_seconds();
> - verf[1] = (__force __be32)nn->clientid_counter;
> + verf[1] = (__force __be32)nn->clverifier_counter++;
> memcpy(clp->cl_confirm.data, verf, sizeof(clp->cl_confirm.data));
> }
>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
