PID: 24       TASK: 718000            CPU: 0    COMMAND: "kworker/u9:0"
 #0 [37fffbebac0] __schedule at 3d3015c0
 #1 [37fffbebb40] schedule at 3d3018e6
 #2 [37fffbebb70] xlog_wait_on_iclog at 3ff7fd42c9a [xfs]
 #3 [37fffbebbd8] xlog_cil_push_work at 3ff7fd485fa [xfs]
 #4 [37fffbebd10] process_one_work at 3c9ac892
 #5 [37fffbebd98] worker_thread at 3c9ad77e
 #6 [37fffbebe10] kthread at 3c9b6b40
 #7 [37fffbebe68] __ret_from_fork at 3c936ebc
 #8 [37fffbebe98] ret_from_fork at 3d308bf2