On Tue, 19 Mar 2024 17:14:42 -0700 Jaegeuk Kim <jaeg...@kernel.org>
> f2fs_ioc_shutdown(F2FS_GOING_DOWN_NOSYNC) issue_discard_thread
> - mnt_want_write_file()
> - sb_start_write(SB_FREEZE_WRITE)
__sb_start_write()
percpu_down_read()
> -
> sb_start_intwrite(SB_FREEZE_FS);
__sb_start_write()
percpu_down_read()
Given lock acquirers for read on both sides, wtf deadlock are you fixing?
> - f2fs_stop_checkpoint(sbi, false, : waiting
> STOP_CP_REASON_SHUTDOWN);
> - f2fs_stop_discard_thread(sbi);
> - kthread_stop()
> : waiting
>
> - mnt_drop_write_file(filp);
More important, feel free to add in spin.
Reported-by: "Light Hsieh (謝明燈)" <light.hs...@mediatek.com>
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
