Report in ext4_da_write_begin()

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[    6.881473] ===================================================
[    6.881474] DEPT: Circular dependency has been detected.
[    6.881475] 5.17.0-rc1-00014-gcf3441bb2012 #2 Tainted: G        W        
[    6.881476] ---------------------------------------------------
[    6.881476] summary
[    6.881477] ---------------------------------------------------
[    6.881478] *** DEADLOCK ***
[    6.881478] 
[    6.881478] context A
[    6.881479]     [S] (unknown)(&(&journal->j_wait_commit)->dmap:0)
[    6.881480]     [W] __raw_read_lock(&journal->j_state_lock:8)
[    6.881481]     [E] event(&(&journal->j_wait_commit)->dmap:0)
[    6.881482] 
[    6.881483] context B
[    6.881483]     [S] __raw_write_lock(&journal->j_state_lock:8)
[    6.881484]     [W] wait(&(&journal->j_wait_commit)->dmap:0)
[    6.881485]     [E] write_unlock(&journal->j_state_lock:8)
[    6.881486] 
[    6.881487] [S]: start of the event context
[    6.881487] [W]: the wait blocked
[    6.881488] [E]: the event not reachable
[    6.881489] ---------------------------------------------------
[    6.881489] context A's detail
[    6.881490] ---------------------------------------------------
[    6.881490] context A
[    6.881491]     [S] (unknown)(&(&journal->j_wait_commit)->dmap:0)
[    6.881492]     [W] __raw_read_lock(&journal->j_state_lock:8)
[    6.881493]     [E] event(&(&journal->j_wait_commit)->dmap:0)
[    6.881494] 
[    6.881495] [S] (unknown)(&(&journal->j_wait_commit)->dmap:0):
[    6.881496] (N/A)
[    6.881496] 
[    6.881497] [W] __raw_read_lock(&journal->j_state_lock:8):
[    6.881498] [<ffffffff8133cd87>] start_this_handle+0xa7/0x5e0
[    6.881500] stacktrace:
[    6.881500]       _raw_read_lock+0x57/0xd0
[    6.881502]       start_this_handle+0xa7/0x5e0
[    6.881504]       jbd2__journal_start+0xe6/0x220
[    6.881506]       __ext4_journal_start_sb+0x11c/0x150
[    6.881508]       ext4_truncate+0x167/0x4b0
[    6.881509]       ext4_da_write_begin+0x19c/0x2a0
[    6.881511]       generic_perform_write+0xa6/0x1c0
[    6.881512]       ext4_buffered_write_iter+0x89/0x100
[    6.881515]       ext4_file_write_iter+0x4a/0x7f0
[    6.881516]       new_sync_write+0x100/0x190
[    6.881518]       vfs_write+0x134/0x360
[    6.881521]       ksys_write+0x4d/0xc0
[    6.881522]       do_syscall_64+0x3a/0x90
[    6.881523]       entry_SYSCALL_64_after_hwframe+0x44/0xae
[    6.881525] 
[    6.881526] [E] event(&(&journal->j_wait_commit)->dmap:0):
[    6.881527] [<ffffffff810baa53>] __wake_up_common+0x93/0x1a0
[    6.881529] stacktrace:
[    6.881529]       dept_event+0x12b/0x1f0
[    6.881531]       __wake_up_common+0xb0/0x1a0
[    6.881532]       __wake_up_common_lock+0x65/0x90
[    6.881533]       __jbd2_log_start_commit+0x8a/0xa0
[    6.881535]       jbd2_log_start_commit+0x24/0x40
[    6.881536]       __jbd2_journal_force_commit+0x91/0xb0
[    6.881538]       jbd2_journal_force_commit_nested+0x5/0x10
[    6.881540]       ext4_should_retry_alloc+0x5b/0xb0
[    6.881541]       ext4_da_write_begin+0xf2/0x2a0
[    6.881543]       generic_perform_write+0xa6/0x1c0
[    6.881544]       ext4_buffered_write_iter+0x89/0x100
[    6.881546]       ext4_file_write_iter+0x4a/0x7f0
[    6.881548]       new_sync_write+0x100/0x190
[    6.881550]       vfs_write+0x134/0x360
[    6.881552]       ksys_write+0x4d/0xc0
[    6.881553]       do_syscall_64+0x3a/0x90
[    6.881555] ---------------------------------------------------
[    6.881556] context B's detail
[    6.881556] ---------------------------------------------------
[    6.881557] context B
[    6.881558]     [S] __raw_write_lock(&journal->j_state_lock:8)
[    6.881559]     [W] wait(&(&journal->j_wait_commit)->dmap:0)
[    6.881560]     [E] write_unlock(&journal->j_state_lock:8)
[    6.881561] 
[    6.881561] [S] __raw_write_lock(&journal->j_state_lock:8):
[    6.881562] [<ffffffff81346e9e>] kjournald2+0x7e/0x260
[    6.881564] stacktrace:
[    6.881564]       _raw_write_lock+0x6e/0x90
[    6.881566]       kjournald2+0x7e/0x260
[    6.881567]       kthread+0xe3/0x110
[    6.881569]       ret_from_fork+0x22/0x30
[    6.881571] 
[    6.881572] [W] wait(&(&journal->j_wait_commit)->dmap:0):
[    6.881573] [<ffffffff810bb017>] prepare_to_wait+0x47/0xd0
[    6.881574] stacktrace:
[    6.881575]       kjournald2+0x164/0x260
[    6.881576]       kthread+0xe3/0x110
[    6.881578]       ret_from_fork+0x22/0x30
[    6.881579] 
[    6.881580] [E] write_unlock(&journal->j_state_lock:8):
[    6.881581] [<ffffffff8134700b>] kjournald2+0x1eb/0x260
[    6.881582] stacktrace:
[    6.881583]       _raw_write_unlock+0x30/0x70
[    6.881585]       kjournald2+0x1eb/0x260
[    6.881586]       kthread+0xe3/0x110
[    6.881588]       ret_from_fork+0x22/0x30
[    6.881589] ---------------------------------------------------
[    6.881590] information that might be helpful
[    6.881590] ---------------------------------------------------
[    6.881591] CPU: 2 PID: 628 Comm: rs:main Q:Reg Tainted: G        W         5.17.0-rc1-00014-gcf3441bb2012 #2
[    6.881593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[    6.881594] Call Trace:
[    6.881595]  <TASK>
[    6.881596]  dump_stack_lvl+0x44/0x57
[    6.881597]  print_circle+0x384/0x510
[    6.881599]  ? __kernel_text_address+0x9/0x30
[    6.881601]  ? print_circle+0x510/0x510
[    6.881603]  cb_check_dl+0x58/0x60
[    6.881605]  bfs+0xdc/0x1b0
[    6.881607]  add_dep+0x94/0x120
[    6.881609]  do_event.isra.22+0x284/0x300
[    6.881611]  ? __wake_up_common+0x93/0x1a0
[    6.881612]  dept_event+0x12b/0x1f0
[    6.881615]  __wake_up_common+0xb0/0x1a0
[    6.881617]  __wake_up_common_lock+0x65/0x90
[    6.881619]  __jbd2_log_start_commit+0x8a/0xa0
[    6.881621]  jbd2_log_start_commit+0x24/0x40
[    6.881622]  __jbd2_journal_force_commit+0x91/0xb0
[    6.881624]  jbd2_journal_force_commit_nested+0x5/0x10
[    6.881626]  ext4_should_retry_alloc+0x5b/0xb0
[    6.881628]  ext4_da_write_begin+0xf2/0x2a0
[    6.881630]  generic_perform_write+0xa6/0x1c0
[    6.881633]  ext4_buffered_write_iter+0x89/0x100
[    6.881636]  ext4_file_write_iter+0x4a/0x7f0
[    6.881638]  new_sync_write+0x100/0x190
[    6.881642]  vfs_write+0x134/0x360
[    6.881644]  ksys_write+0x4d/0xc0
[    6.881645]  ? trace_hardirqs_on+0x38/0xe0
[    6.881648]  do_syscall_64+0x3a/0x90
[    6.881650]  entry_SYSCALL_64_after_hwframe+0x44/0xae



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