ceph: fix kick_requests()

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

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
This commit is contained in:
Yan, Zheng 2014-07-30 10:12:47 +08:00 committed by Ilya Dryomov
parent 06fee30f6a
commit 282c105225

View File

@ -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 &&