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ceph: drop unnecessary msgpool for mon_client subscribe_ack 

Preallocate a single message to reuse instead.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-03-24 21:52:30 -07:00
parent 6694d6b95c
commit 7c315c552c
2 changed files with 13 additions and 13 deletions
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20
fs/ceph/mon_client.c
View File

@ -634,17 +634,21 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
/* msg pools */
err = ceph_msgpool_init(&monc->msgpool_subscribe_ack,
sizeof(struct ceph_mon_subscribe_ack), 1, false);
if (err < 0)
monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
sizeof(struct ceph_mon_subscribe_ack),
0, 0, NULL);
if (IS_ERR(monc->m_subscribe_ack)) {
err = PTR_ERR(monc->m_subscribe_ack);
monc->m_subscribe_ack = NULL;
goto out_monmap;
}
monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, 0, 0,
NULL);
if (IS_ERR(monc->m_auth_reply)) {
err = PTR_ERR(monc->m_auth_reply);
monc->m_auth_reply = NULL;
goto out_pool;
goto out_subscribe_ack;
}
monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
@ -672,8 +676,8 @@ int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
out_auth_reply:
ceph_msg_put(monc->m_auth_reply);
out_pool:
ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
out_subscribe_ack:
ceph_msg_put(monc->m_subscribe_ack);
out_monmap:
kfree(monc->monmap);
out:
@ -698,7 +702,7 @@ void ceph_monc_stop(struct ceph_mon_client *monc)
ceph_msg_put(monc->m_auth);
ceph_msg_put(monc->m_auth_reply);
ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
ceph_msg_put(monc->m_subscribe_ack);
kfree(monc->monmap);
}
@ -815,7 +819,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
switch (type) {
case CEPH_MSG_MON_SUBSCRIBE_ACK:
m = ceph_msgpool_get(&monc->msgpool_subscribe_ack, front_len);
m = ceph_msg_get(monc->m_subscribe_ack);
break;
case CEPH_MSG_STATFS_REPLY:
return get_statfs_reply(con, hdr, skip);

6
fs/ceph/mon_client.h
View File

@ -6,7 +6,6 @@
#include <linux/rbtree.h>
#include "messenger.h"
#include "msgpool.h"
struct ceph_client;
struct ceph_mount_args;
@ -63,7 +62,7 @@ struct ceph_mon_client {
struct delayed_work delayed_work;
struct ceph_auth_client *auth;
struct ceph_msg *m_auth, *m_auth_reply;
struct ceph_msg *m_auth, *m_auth_reply, *m_subscribe_ack;
int pending_auth;
bool hunting;
@ -72,9 +71,6 @@ struct ceph_mon_client {
struct ceph_connection *con;
bool have_fsid;
/* msgs */
struct ceph_msgpool msgpool_subscribe_ack;
/* pending statfs requests */
struct rb_root statfs_request_tree;
int num_statfs_requests;