libceph: create messenger with client
This simplifies the init/shutdown paths, and makes client->msgr available
during the rest of the setup process.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 2883ea0..97f70e5 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -432,9 +432,12 @@
/*
* create a fresh client instance
*/
-struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private)
+struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private,
+ unsigned supported_features,
+ unsigned required_features)
{
struct ceph_client *client;
+ struct ceph_entity_addr *myaddr = NULL;
int err = -ENOMEM;
client = kzalloc(sizeof(*client), GFP_KERNEL);
@@ -449,15 +452,27 @@
client->auth_err = 0;
client->extra_mon_dispatch = NULL;
- client->supported_features = CEPH_FEATURE_SUPPORTED_DEFAULT;
- client->required_features = CEPH_FEATURE_REQUIRED_DEFAULT;
+ client->supported_features = CEPH_FEATURE_SUPPORTED_DEFAULT |
+ supported_features;
+ client->required_features = CEPH_FEATURE_REQUIRED_DEFAULT |
+ required_features;
- client->msgr = NULL;
+ /* msgr */
+ if (ceph_test_opt(client, MYIP))
+ myaddr = &client->options->my_addr;
+ client->msgr = ceph_messenger_create(myaddr,
+ client->supported_features,
+ client->required_features);
+ if (IS_ERR(client->msgr)) {
+ err = PTR_ERR(client->msgr);
+ goto fail;
+ }
+ client->msgr->nocrc = ceph_test_opt(client, NOCRC);
/* subsystems */
err = ceph_monc_init(&client->monc, client);
if (err < 0)
- goto fail;
+ goto fail_msgr;
err = ceph_osdc_init(&client->osdc, client);
if (err < 0)
goto fail_monc;
@@ -466,6 +481,8 @@
fail_monc:
ceph_monc_stop(&client->monc);
+fail_msgr:
+ ceph_messenger_destroy(client->msgr);
fail:
kfree(client);
return ERR_PTR(err);
@@ -490,8 +507,7 @@
ceph_debugfs_client_cleanup(client);
- if (client->msgr)
- ceph_messenger_destroy(client->msgr);
+ ceph_messenger_destroy(client->msgr);
ceph_destroy_options(client->options);
@@ -514,24 +530,9 @@
*/
int __ceph_open_session(struct ceph_client *client, unsigned long started)
{
- struct ceph_entity_addr *myaddr = NULL;
int err;
unsigned long timeout = client->options->mount_timeout * HZ;
- /* initialize the messenger */
- if (client->msgr == NULL) {
- if (ceph_test_opt(client, MYIP))
- myaddr = &client->options->my_addr;
- client->msgr = ceph_messenger_create(myaddr,
- client->supported_features,
- client->required_features);
- if (IS_ERR(client->msgr)) {
- client->msgr = NULL;
- return PTR_ERR(client->msgr);
- }
- client->msgr->nocrc = ceph_test_opt(client, NOCRC);
- }
-
/* open session, and wait for mon and osd maps */
err = ceph_monc_open_session(&client->monc);
if (err < 0)