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libceph: fully initialize connection in con_init() 

Move the initialization of a ceph connection's private pointer,
operations vector pointer, and peer name information into
ceph_con_init().  Rearrange the arguments so the connection pointer
is first.  Hide the byte-swapping of the peer entity number inside
ceph_con_init()

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Alex Elder 2012-05-26 23:26:43 -05:00 committed by Alex Elder
parent 20581c1faf
commit 1bfd89f4e6
5 changed files with 19 additions and 18 deletions
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7
fs/ceph/mds_client.c
View File

@ -394,11 +394,8 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
s->s_seq = 0;
mutex_init(&s->s_mutex);
ceph_con_init(&mdsc->fsc->client->msgr, &s->s_con);
s->s_con.private = s;
s->s_con.ops = &mds_con_ops;
s->s_con.peer_name.type = CEPH_ENTITY_TYPE_MDS;
s->s_con.peer_name.num = cpu_to_le64(mds);
ceph_con_init(&s->s_con, s, &mds_con_ops, &mdsc->fsc->client->msgr,
CEPH_ENTITY_TYPE_MDS, mds);
spin_lock_init(&s->s_gen_ttl_lock);
s->s_cap_gen = 0;

6
include/linux/ceph/messenger.h
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@ -227,8 +227,10 @@ extern void ceph_messenger_init(struct ceph_messenger *msgr,
u32 required_features,
bool nocrc);
extern void ceph_con_init(struct ceph_messenger *msgr,
struct ceph_connection *con);
extern void ceph_con_init(struct ceph_connection *con, void *private,
const struct ceph_connection_operations *ops,
struct ceph_messenger *msgr, __u8 entity_type,
__u64 entity_num);
extern void ceph_con_open(struct ceph_connection *con,
struct ceph_entity_addr *addr);
extern bool ceph_con_opened(struct ceph_connection *con);

9
net/ceph/messenger.c
View File

@ -521,15 +521,22 @@ void ceph_con_put(struct ceph_connection *con)
/*
* initialize a new connection.
*/
void ceph_con_init(struct ceph_messenger *msgr, struct ceph_connection *con)
void ceph_con_init(struct ceph_connection *con, void *private,
const struct ceph_connection_operations *ops,
struct ceph_messenger *msgr, __u8 entity_type, __u64 entity_num)
{
dout("con_init %p\n", con);
memset(con, 0, sizeof(*con));
con->private = private;
con->ops = ops;
atomic_set(&con->nref, 1);
con->msgr = msgr;
con_sock_state_init(con);
con->peer_name.type = (__u8) entity_type;
con->peer_name.num = cpu_to_le64(entity_num);
mutex_init(&con->mutex);
INIT_LIST_HEAD(&con->out_queue);
INIT_LIST_HEAD(&con->out_sent);

8
net/ceph/mon_client.c
View File

@ -142,11 +142,9 @@ static int __open_session(struct ceph_mon_client *monc)
monc->sub_renew_after = jiffies; /* i.e., expired */
monc->want_next_osdmap = !!monc->want_next_osdmap;
ceph_con_init(&monc->client->msgr, &monc->con);
monc->con.private = monc;
monc->con.ops = &mon_con_ops;
monc->con.peer_name.type = CEPH_ENTITY_TYPE_MON;
monc->con.peer_name.num = cpu_to_le64(monc->cur_mon);
ceph_con_init(&monc->con, monc, &mon_con_ops,
&monc->client->msgr,
CEPH_ENTITY_TYPE_MON, monc->cur_mon);
dout("open_session mon%d opening\n", monc->cur_mon);
ceph_con_open(&monc->con,

7
net/ceph/osd_client.c
View File

@ -640,11 +640,8 @@ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc, int onum)
INIT_LIST_HEAD(&osd->o_osd_lru);
osd->o_incarnation = 1;
ceph_con_init(&osdc->client->msgr, &osd->o_con);
osd->o_con.private = osd;
osd->o_con.ops = &osd_con_ops;
osd->o_con.peer_name.type = CEPH_ENTITY_TYPE_OSD;
osd->o_con.peer_name.num = cpu_to_le64(onum);
ceph_con_init(&osd->o_con, osd, &osd_con_ops, &osdc->client->msgr,
CEPH_ENTITY_TYPE_OSD, onum);
INIT_LIST_HEAD(&osd->o_keepalive_item);
return osd;