Re: [PATCH v4] ext4: fix race between writepages and remount

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On Wed, 24 May 2023 15:25:38 +0800, Baokun Li wrote:
> We got a WARNING in ext4_add_complete_io:
> ==================================================================
>  WARNING: at fs/ext4/page-io.c:231 ext4_put_io_end_defer+0x182/0x250
>  CPU: 10 PID: 77 Comm: ksoftirqd/10 Tainted: 6.3.0-rc2 #85
>  RIP: 0010:ext4_put_io_end_defer+0x182/0x250 [ext4]
>  [...]
>  Call Trace:
>   <TASK>
>   ext4_end_bio+0xa8/0x240 [ext4]
>   bio_endio+0x195/0x310
>   blk_update_request+0x184/0x770
>   scsi_end_request+0x2f/0x240
>   scsi_io_completion+0x75/0x450
>   scsi_finish_command+0xef/0x160
>   scsi_complete+0xa3/0x180
>   blk_complete_reqs+0x60/0x80
>   blk_done_softirq+0x25/0x40
>   __do_softirq+0x119/0x4c8
>   run_ksoftirqd+0x42/0x70
>   smpboot_thread_fn+0x136/0x3c0
>   kthread+0x140/0x1a0
>   ret_from_fork+0x2c/0x50
> ==================================================================
> 
> [...]

Applied, thanks!

[1/1] ext4: fix race between writepages and remount
      commit: 745f17a4166e79315e4b7f33ce89d03e75a76983

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



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