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Commit 6562d661 authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

libceph: harden ceph_osdc_request_release() a bit 



Add some WARN_ONs to alert us when we try to destroy requests that are
still registered.

Signed-off-by: default avatarIlya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: default avatarAlex Elder <elder@linaro.org>
parent 9e94af20

net/ceph/osd_client.c

+7 −0
Original line number Diff line number Diff line
@@ -305,6 +305,12 @@ static void ceph_osdc_release_request(struct kref *kref) 


	dout("%s %p (r_request %p r_reply %p)\n", __func__, req,

	     req->r_request, req->r_reply);

	WARN_ON(!RB_EMPTY_NODE(&req->r_node));

	WARN_ON(!list_empty(&req->r_req_lru_item));

	WARN_ON(!list_empty(&req->r_osd_item));

	WARN_ON(!list_empty(&req->r_linger_item));

	WARN_ON(!list_empty(&req->r_linger_osd_item));

	WARN_ON(req->r_osd);



	if (req->r_request)

		ceph_msg_put(req->r_request);
@@ -1204,6 +1210,7 @@ static void __unregister_request(struct ceph_osd_client *osdc, 


	dout("__unregister_request %p tid %lld\n", req, req->r_tid);

	rb_erase(&req->r_node, &osdc->requests);

	RB_CLEAR_NODE(&req->r_node);

	osdc->num_requests--;



	if (req->r_osd) {