Re: [PATCH] fs/ext4: fix ABBA deadlock in ext4_rmdir()

[Theodore Ts'o]

On Thu, 27 Aug 2026 21:50:20 +0900, Sergey Senozhatsky wrote:
> We observe the following ABBA deadlock (casefolding enabled):
> 
>  INFO: task jbd2/dm-13-8:447 blocked for more than 720 seconds.
>  task:jbd2/dm-13-8    state:D stack:0     pid:447   tgid:447   ppid:2
>  Call Trace:
>   <TASK>
>   __schedule+0xc2c/0xe60
>   schedule+0x40/0xe0
>   jbd2_journal_wait_updates+0x8f/0xf0
>   jbd2_journal_commit_transaction+0x321/0x1850
>   kjournald2+0xa9/0x230
>   kthread+0x226/0x2a0
>   ret_from_fork+0x101/0x1e0
>   ret_from_fork_asm+0x1a/0x30
> 
> [...]

Applied, thanks!

[1/1] fs/ext4: fix ABBA deadlock in ext4_rmdir()
      commit: 19e16597f9baf1b5719a3a6c710486446f6808fd

Best regards,
-- 
Theodore Ts'o <tytso@xxxxxxx>