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libceph: create messenger with client

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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>
This commit is contained in:
Sage Weil
2011-08-09 09:41:59 -07:00
parent 6a8ea4706a
commit 6ab00d465a
4 changed files with 33 additions and 27 deletions
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45
net/ceph/ceph_common.c
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@ -432,9 +432,12 @@ EXPORT_SYMBOL(ceph_client_id);
/*
* 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 @@ struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private)
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 @@ struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private)
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 @@ void ceph_destroy_client(struct ceph_client *client)
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 @@ static int have_mon_and_osd_map(struct ceph_client *client)
*/
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)