System hang due to deadlock caused by vxvm_submit_diskio()

Issue

• System hang due to deadlock caused by vxvm_submit_diskio():

INFO: task vx_worklist_thr:2044 blocked for more than 120 seconds.
      Tainted: P           OE    --------- -  - 4.18.0-372.26.1.el8_6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:vx_worklist_thr state:D stack:    0 pid: 2044 ppid:     2 flags:0x80004080
Call Trace:
 __schedule+0x2d1/0x830
 ? wbt_exit+0x30/0x30
 ? __wbt_done+0x30/0x30
 schedule+0x35/0xa0
 io_schedule+0x12/0x40
 rq_qos_wait+0xb2/0x120
 ? karma_partition+0x1e0/0x1e0
 ? wbt_exit+0x30/0x30
 wbt_wait+0x92/0xc0
 __rq_qos_throttle+0x23/0x30
 blk_mq_make_request+0x12d/0x5b0
 generic_make_request+0xef/0x350
 vxvm_submit_diskio+0x132/0x290 [vxio]
 volkiostart+0xa35/0x14c0 [vxio]
 ? kmem_cache_alloc+0x13f/0x280
 ? vol_cachealloc+0x2e/0x60 [vxio]
 vxvm_queue_rq+0x4a/0x130 [vxio]
 ? scsi_alloc_sgtables+0x82/0x190
 ? __sbitmap_get_word+0x2a/0x80
 __blk_mq_try_issue_directly+0x15f/0x200
 blk_mq_request_issue_directly+0x4e/0xb0
 ? recalibrate_cpu_khz+0x10/0x10
 blk_mq_try_issue_list_directly+0x5d/0xe0
 blk_mq_sched_insert_requests+0xa0/0xf0
 blk_mq_flush_plug_list+0x135/0x210
 blk_flush_plug_list+0xd7/0x100
 blk_finish_plug+0x21/0x2e
 vx_dev_strategy+0x828/0xb70 [vxfs]
 vx_logbuf_write+0xee/0x1a0 [vxfs]
 vx_logbuf_io+0x1a9/0x290 [vxfs]
 vx_logflush+0x9e/0x110 [vxfs]
 vx_logflush_inode+0x7b/0x90 [vxfs]
 vx_async_iupdat+0x3b4/0x420 [vxfs]
 ? vx_bc_getblk+0x458/0x930 [vxfs]
 ? vx_getblk_bp+0x31/0x80 [vxfs]
 ? vx_getblk_cmn+0x83/0x200 [vxfs]
 vx_iupdat_local+0x4a0/0x820 [vxfs]
 vx_iupdat_local+0x7ba/0x820 [vxfs]
 ? __switch_to_asm+0x41/0x70
....
 vx_iflush_list+0x680/0xd00 [vxfs]
 vx_iflush+0x6a/0x90 [vxfs]
 ? vx_iflush_list+0xd00/0xd00 [vxfs]
 vx_worklist_process.part.6+0x244/0x280 [vxfs]
 ? vx_osdep_deinit+0x1b0/0x1b0 [vxfs]
 vx_worklist_thread+0x91/0xf0 [vxfs]
 ? vx_wll_merge+0x110/0x110 [vxfs]
 vx_kthread_init+0x22/0x30 [vxfs]
 kthread+0x10a/0x120
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x35/0x40