Howdy Dave-
> On May 14, 2021, at 9:30 AM, Dave Wysochanski <dwysocha@xxxxxxxxxx> wrote:
>
> In addition to the client's address, display the callback channel
> state and address in the 'info' file.
>
> Signed-off-by: Dave Wysochanski <dwysocha@xxxxxxxxxx>
> ---
> fs/nfsd/nfs4state.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 49c052243b5c..89a7cada334d 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -2357,6 +2357,21 @@ static void seq_quote_mem(struct seq_file *m, char *data, int len)
> seq_printf(m, "\"");
> }
>
> +static const char *cb_state_str(int state)
> +{
> + switch (state) {
> + case NFSD4_CB_UP:
> + return "UP";
> + case NFSD4_CB_UNKNOWN:
> + return "UNKNOWN";
> + case NFSD4_CB_DOWN:
> + return "DOWN";
> + case NFSD4_CB_FAULT:
> + return "FAULT";
No objection to the addition of this information. Style nit:
the "case" and "switch" lines should have the same amount of
indentation.
> + }
> + return "UNDEFINED";
> +}
> +
> static int client_info_show(struct seq_file *m, void *v)
> {
> struct inode *inode = m->private;
> @@ -2385,6 +2400,8 @@ static int client_info_show(struct seq_file *m, void *v)
> seq_printf(m, "\nImplementation time: [%lld, %ld]\n",
> clp->cl_nii_time.tv_sec, clp->cl_nii_time.tv_nsec);
> }
> + seq_printf(m, "callback state: %s\n", cb_state_str(clp->cl_cb_state));
> + seq_printf(m, "callback address: %pISpc\n", &clp->cl_cb_conn.cb_addr);
> drop_client(clp);
>
> return 0;
> --
> 1.8.3.1
>
--
Chuck Lever
