From 559c1e0073ae779d60e1c673cda837f3e4295302 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 May 2010 09:55:18 -0700
Subject: [PATCH] ceph: include auth method in error messages

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/auth.c      | 9 +++++----
 fs/ceph/auth.h      | 2 ++
 fs/ceph/auth_none.c | 1 +
 fs/ceph/auth_x.c    | 1 +
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
index 818afe72e6c7..9f46de2ba7a7 100644
--- a/fs/ceph/auth.c
+++ b/fs/ceph/auth.c
@@ -150,7 +150,8 @@ int ceph_build_auth_request(struct ceph_auth_client *ac,
 
 	ret = ac->ops->build_request(ac, p + sizeof(u32), end);
 	if (ret < 0) {
-		pr_err("error %d building request\n", ret);
+		pr_err("error %d building auth method %s request\n", ret,
+		       ac->ops->name);
 		return ret;
 	}
 	dout(" built request %d bytes\n", ret);
@@ -216,8 +217,8 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 		if (ac->protocol != protocol) {
 			ret = ceph_auth_init_protocol(ac, protocol);
 			if (ret) {
-				pr_err("error %d on auth protocol %d init\n",
-				       ret, protocol);
+				pr_err("error %d on auth method %s init\n",
+				       ret, ac->ops->name);
 				goto out;
 			}
 		}
@@ -229,7 +230,7 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 	if (ret == -EAGAIN) {
 		return ceph_build_auth_request(ac, reply_buf, reply_len);
 	} else if (ret) {
-		pr_err("authentication error %d\n", ret);
+		pr_err("auth method '%s' error %d\n", ac->ops->name, ret);
 		return ret;
 	}
 	return 0;
diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h
index ca4f57cfb267..4429a707c021 100644
--- a/fs/ceph/auth.h
+++ b/fs/ceph/auth.h
@@ -15,6 +15,8 @@ struct ceph_auth_client;
 struct ceph_authorizer;
 
 struct ceph_auth_client_ops {
+	const char *name;
+
 	/*
 	 * true if we are authenticated and can connect to
 	 * services.
diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c
index 8cd9e3af07f7..24407c119291 100644
--- a/fs/ceph/auth_none.c
+++ b/fs/ceph/auth_none.c
@@ -94,6 +94,7 @@ static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
 }
 
 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
+	.name = "none",
 	.reset = reset,
 	.destroy = destroy,
 	.is_authenticated = is_authenticated,
diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c
index fee5a08da881..18c1a1de5547 100644
--- a/fs/ceph/auth_x.c
+++ b/fs/ceph/auth_x.c
@@ -618,6 +618,7 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,
 
 
 static const struct ceph_auth_client_ops ceph_x_ops = {
+	.name = "x",
 	.is_authenticated = ceph_x_is_authenticated,
 	.build_request = ceph_x_build_request,
 	.handle_reply = ceph_x_handle_reply,