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libceph: drop ceph_con_get/put helpers and nref member 

These are no longer used.  Every ceph_connection instance is embedded in
another structure, and refcounts manipulated via the get/put ops.

Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Sage Weil 2012-06-21 12:49:23 -07:00 committed by Alex Elder
parent 36eb71aa57
commit d59315ca8c
2 changed files with 1 additions and 28 deletions
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1
include/linux/ceph/messenger.h
View File

@ -135,7 +135,6 @@ struct ceph_msg_pos {
*/
struct ceph_connection {
void *private;
atomic_t nref;
const struct ceph_connection_operations *ops;

28
net/ceph/messenger.c
View File

@ -500,30 +500,6 @@ bool ceph_con_opened(struct ceph_connection *con)
return con->connect_seq > 0;
}
/*
* generic get/put
*/
struct ceph_connection *ceph_con_get(struct ceph_connection *con)
{
int nref = __atomic_add_unless(&con->nref, 1, 0);
dout("con_get %p nref = %d -> %d\n", con, nref, nref + 1);
return nref ? con : NULL;
}
void ceph_con_put(struct ceph_connection *con)
{
int nref = atomic_dec_return(&con->nref);
BUG_ON(nref < 0);
if (nref == 0) {
BUG_ON(con->sock);
kfree(con);
}
dout("con_put %p nref = %d -> %d\n", con, nref + 1, nref);
}
/*
* initialize a new connection.
*/
@ -535,7 +511,6 @@ void ceph_con_init(struct ceph_connection *con, void *private,
memset(con, 0, sizeof(*con));
con->private = private;
con->ops = ops;
atomic_set(&con->nref, 1);
con->msgr = msgr;
con_sock_state_init(con);
@ -1951,8 +1926,7 @@ static int try_write(struct ceph_connection *con)
{
int ret = 1;
dout("try_write start %p state %lu nref %d\n", con, con->state,
atomic_read(&con->nref));
dout("try_write start %p state %lu\n", con, con->state);
more:
dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);