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Commit d59315ca authored by Sage Weil's avatar Sage Weil Committed by Alex Elder
Browse files

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: default avatarSage Weil <sage@inktank.com>
parent 36eb71aa

include/linux/ceph/messenger.h

+0 −1
Original line number Diff line number Diff line
@@ -135,7 +135,6 @@ struct ceph_msg_pos { 
 */

struct ceph_connection {

	void *private;

	atomic_t nref;



	const struct ceph_connection_operations *ops;

net/ceph/messenger.c

+1 −27
Original line number Diff line number Diff line
@@ -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);