Ceph_osdc_wait_request() is used when cephfs issues sync IO. In most
cases, the sync IO should be uninterruptible. The fix is use killale
wait function in ceph_osdc_wait_request().
Signed-off-by: Yan, Zheng <zyan@redhat.com>
        long left;
 
        dout("%s req %p tid %llu\n", __func__, req, req->r_tid);
-       left = wait_for_completion_interruptible_timeout(&req->r_completion,
+       left = wait_for_completion_killable_timeout(&req->r_completion,
                                                ceph_timeout_jiffies(timeout));
        if (left <= 0) {
                left = left ?: -ETIMEDOUT;