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Commit 282c1052 authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: fix kick_requests() 



__do_request() may unregister the request. So we should update
iterator 'p' before calling __do_request()

Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
parent 06fee30f

fs/ceph/mds_client.c

+3 −2
Original line number Diff line number Diff line
@@ -2067,11 +2067,12 @@ static void __wake_requests(struct ceph_mds_client *mdsc, 
static void kick_requests(struct ceph_mds_client *mdsc, int mds)

{

	struct ceph_mds_request *req;

	struct rb_node *p;

	struct rb_node *p = rb_first(&mdsc->request_tree);



	dout("kick_requests mds%d\n", mds);

	for (p = rb_first(&mdsc->request_tree); p; p = rb_next(p)) {

	while (p) {

		req = rb_entry(p, struct ceph_mds_request, r_node);

		p = rb_next(p);

		if (req->r_got_unsafe)

			continue;

		if (req->r_session &&