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Commit 37ab77ac authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: drop osd ref when canceling con work 



queue_con() bumps osd ref count.  We should do the reverse when
canceling con work.

Signed-off-by: default avatarIlya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: default avatarAlex Elder <elder@linaro.org>
parent 2d05f082

net/ceph/messenger.c

+10 −4
Original line number Diff line number Diff line
@@ -174,6 +174,7 @@ static struct lock_class_key socket_class; 
#define SKIP_BUF_SIZE	1024



static void queue_con(struct ceph_connection *con);

static void cancel_con(struct ceph_connection *con);

static void con_work(struct work_struct *);

static void con_fault(struct ceph_connection *con);
@@ -680,7 +681,7 @@ void ceph_con_close(struct ceph_connection *con) 


	reset_connection(con);

	con->peer_global_seq = 0;

	cancel_delayed_work(&con->work);

	cancel_con(con);

	con_close_socket(con);

	mutex_unlock(&con->mutex);

}
@@ -2667,19 +2668,16 @@ static int queue_con_delay(struct ceph_connection *con, unsigned long delay) 
{

	if (!con->ops->get(con)) {

		dout("%s %p ref count 0\n", __func__, con);



		return -ENOENT;

	}



	if (!queue_delayed_work(ceph_msgr_wq, &con->work, delay)) {

		dout("%s %p - already queued\n", __func__, con);

		con->ops->put(con);



		return -EBUSY;

	}



	dout("%s %p %lu\n", __func__, con, delay);



	return 0;

}
@@ -2688,6 +2686,14 @@ static void queue_con(struct ceph_connection *con) 
	(void) queue_con_delay(con, 0);

}



static void cancel_con(struct ceph_connection *con)

{

	if (cancel_delayed_work(&con->work)) {

		dout("%s %p\n", __func__, con);

		con->ops->put(con);

	}

}



static bool con_sock_closed(struct ceph_connection *con)

{

	if (!con_flag_test_and_clear(con, CON_FLAG_SOCK_CLOSED))