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ceph: remove request from waiting list before unregister 

Link: https://tracker.ceph.com/issues/40339
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2019-06-14 10:55:05 +08:00 committed by Ilya Dryomov
parent 6f0f597b5d
commit 428138c989
1 changed files with 2 additions and 0 deletions
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2
fs/ceph/mds_client.c
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@ -727,6 +727,7 @@ void ceph_mdsc_release_request(struct kref *kref)
ceph_pagelist_release(req->r_pagelist);
put_request_session(req);
ceph_unreserve_caps(req->r_mdsc, &req->r_caps_reservation);
WARN_ON_ONCE(!list_empty(&req->r_wait));
kfree(req);
}
@ -4162,6 +4163,7 @@ static void wait_requests(struct ceph_mds_client *mdsc)
while ((req = __get_oldest_req(mdsc))) {
dout("wait_requests timed out on tid %llu\n",
req->r_tid);
list_del_init(&req->r_wait);
__unregister_request(mdsc, req);
}
}