PID: 8        TASK: 67c500            CPU: 0    COMMAND: "kworker/0:0"
 #0 [37fffb53950] __schedule at 3d3015c0
 #1 [37fffb539d0] schedule at 3d3018e6
 #2 [37fffb53a00] schedule_timeout at 3d308026
 #3 [37fffb53a88] __wait_for_common at 3d30262e
 #4 [37fffb53b20] __flush_workqueue at 3c9aa734
 #5 [37fffb53bb0] xlog_cil_push_now at 3ff7fd4707a [xfs]
 #6 [37fffb53bf0] xlog_cil_force_seq at 3ff7fd49038 [xfs]
 #7 [37fffb53c88] xfs_log_force at 3ff7fd4541e [xfs]
 #8 [37fffb53cd0] xfs_log_worker at 3ff7fd4565a [xfs]
 #9 [37fffb53d10] process_one_work at 3c9ac892
#10 [37fffb53d98] worker_thread at 3c9ad77e
#11 [37fffb53e10] kthread at 3c9b6b40
#12 [37fffb53e68] __ret_from_fork at 3c936ebc
#13 [37fffb53e98] ret_from_fork at 3d308bf2