linux-kernel - [PATCH 08/27] afs: Show more information in /proc/net/afs/servers

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Message-ID: <159078966412.679399.3789522973273819502.stgit@warthog.procyon.org.uk>
Date:   Fri, 29 May 2020 23:01:04 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-afs@...ts.infradead.org
Cc:     dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 08/27] afs: Show more information in /proc/net/afs/servers

Show more information in /proc/net/afs/servers to make it easier to see
what's going on with the server probing.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/afs/proc.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 9bce7898cd7d..1d21465a4108 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -378,21 +378,22 @@ static int afs_proc_servers_show(struct seq_file *m, void *v)
 	int i;
 
 	if (v == SEQ_START_TOKEN) {
-		seq_puts(m, "UUID                                 REF ACT ADDR\n");
+		seq_puts(m, "UUID                                 REF ACT\n");
 		return 0;
 	}
 
 	server = list_entry(v, struct afs_server, proc_link);
 	alist = rcu_dereference(server->addresses);
-	seq_printf(m, "%pU %3d %3d %pISpc%s\n",
+	seq_printf(m, "%pU %3d %3d\n",
 		   &server->uuid,
 		   atomic_read(&server->ref),
-		   atomic_read(&server->active),
-		   &alist->addrs[0].transport,
-		   alist->preferred == 0 ? "*" : "");
-	for (i = 1; i < alist->nr_addrs; i++)
-		seq_printf(m, "                                             %pISpc%s\n",
-			   &alist->addrs[i].transport,
+		   atomic_read(&server->active));
+	seq_printf(m, "  - ALIST v=%u osp=%u r=%lx f=%lx\n",
+		   alist->version, atomic_read(&server->probe_outstanding),
+		   alist->responded, alist->failed);
+	for (i = 0; i < alist->nr_addrs; i++)
+		seq_printf(m, "    [%x] %pISpc%s\n",
+			   i, &alist->addrs[i].transport,
 			   alist->preferred == i ? "*" : "");
 	return 0;
 }