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From:   Dai Ngo <dai.ngo@oracle.com>
To:     chuck.lever@oracle.com, bfields@fieldses.org
Cc:     linux-nfs@vger.kernel.org
Subject: [PATCH RFC v20 10/10] NFSD: Show state of courtesy client in client info
Date:   Wed,  6 Apr 2022 15:45:33 -0700
Message-Id: <1649285133-16765-11-git-send-email-dai.ngo@oracle.com>
In-Reply-To: <1649285133-16765-1-git-send-email-dai.ngo@oracle.com>
References: <1649285133-16765-1-git-send-email-dai.ngo@oracle.com>
Precedence: bulk

Update client_info_show to show state of courtesy client
and time since last renew.

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
---
 fs/nfsd/nfs4state.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index edd50a4485aa..98557031c1ed 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2485,7 +2485,8 @@ static int client_info_show(struct seq_file *m, void *v)
 {
 	struct inode *inode = m->private;
 	struct nfs4_client *clp;
-	u64 clid;
+	u64 clid, hrs;
+	u32 mins, secs;
 
 	clp = get_nfsdfs_clp(inode);
 	if (!clp)
@@ -2493,10 +2494,17 @@ static int client_info_show(struct seq_file *m, void *v)
 	memcpy(&clid, &clp->cl_clientid, sizeof(clid));
 	seq_printf(m, "clientid: 0x%llx\n", clid);
 	seq_printf(m, "address: \"%pISpc\"\n", (struct sockaddr *)&clp->cl_addr);
-	if (test_bit(NFSD4_CLIENT_CONFIRMED, &clp->cl_flags))
+
+	if (clp->cl_cs_client_state == NFSD4_CLIENT_COURTESY)
+		seq_puts(m, "status: courtesy\n");
+	else if (clp->cl_cs_client_state == NFSD4_CLIENT_CONFIRMED)
 		seq_puts(m, "status: confirmed\n");
 	else
 		seq_puts(m, "status: unconfirmed\n");
+	hrs = div_u64_rem(ktime_get_boottime_seconds() - clp->cl_time,
+				3600, &secs);
+	mins = div_u64_rem((u64)secs, 60, &secs);
+	seq_printf(m, "time since last renew: %llu:%02u:%02u\n", hrs, mins, secs);
 	seq_printf(m, "name: ");
 	seq_quote_mem(m, clp->cl_name.data, clp->cl_name.len);
 	seq_printf(m, "\nminor version: %d\n", clp->cl_minorversion);
-- 
2.9.5