From: Dave Wysochanski <dwysocha@redhat.com>
To: Bruce Fields <bfields@fieldses.org>,
Chuck Lever III <chuck.lever@oracle.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH 1/1] nfsd4: Expose the callback address and state of each NFS4 client
Date: Fri, 14 May 2021 09:30:41 -0400 [thread overview]
Message-ID: <1620999041-9341-2-git-send-email-dwysocha@redhat.com> (raw)
In-Reply-To: <1620999041-9341-1-git-send-email-dwysocha@redhat.com>
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>
---
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";
+ }
+ 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
next prev parent reply other threads:[~2021-05-14 13:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-14 13:30 [PATCH 0/1] Add callback address and state to nfsd client info Dave Wysochanski
2021-05-14 13:30 ` Dave Wysochanski [this message]
2021-05-14 15:06 ` [PATCH 1/1] nfsd4: Expose the callback address and state of each NFS4 client Chuck Lever III
2021-05-14 16:25 ` David Wysochanski
2021-05-14 14:15 ` [PATCH 0/1] Add callback address and state to nfsd client info Bruce Fields
2021-05-14 16:41 ` David Wysochanski
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