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| author | Dave Wysochanski <dwysocha@redhat.com> | 2021-06-02 20:51:39 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2021-07-07 03:14:41 +0300 |
| commit | 3518c8666f15cdd5d38878005dab1d589add1c19 (patch) | |
| tree | b020f59e9560694e6100856f38c92c10ef30df67 /fs/nfsd | |
| parent | d50295255e787a142a1329d53c7c410227ceaac2 (diff) | |
| download | linux-3518c8666f15cdd5d38878005dab1d589add1c19.tar.xz | |
nfsd4: Expose the callback address and state of each NFS4 client
In addition to the client's address, display the callback channel
state and address in the 'info' file.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index c01ecb7b3fd3..6c64ce93510f 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2358,6 +2358,21 @@ static void seq_quote_mem(struct seq_file *m, char *data, int len) seq_printf(m, "\""); } +static const char *cb_state2str(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"; + } + return "UNDEFINED"; +} + static int client_info_show(struct seq_file *m, void *v) { struct inode *inode = m->private; @@ -2386,6 +2401,8 @@ 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_state2str(clp->cl_cb_state)); + seq_printf(m, "callback address: %pISpc\n", &clp->cl_cb_conn.cb_addr); drop_client(clp); return 0; |