On 2024/3/20 8:14, Jaegeuk Kim wrote: > f2fs_ioc_shutdown(F2FS_GOING_DOWN_NOSYNC) issue_discard_thread > - mnt_want_write_file() > - sb_start_write(SB_FREEZE_WRITE) > - sb_start_intwrite(SB_FREEZE_FS); > - f2fs_stop_checkpoint(sbi, false, : waiting > STOP_CP_REASON_SHUTDOWN); > - f2fs_stop_discard_thread(sbi); > - kthread_stop() > : waiting > > - mnt_drop_write_file(filp); > > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> The case I encounter is f2fs_ic_shutdown with arg F2FS_GOING_DOWN_FULLSYNC, not F2FS_GOING_DOWN_NOSYNC. Or you are meaning that: besides the kernel patch, I need to change the invoked F2FS_IOC_SHUTDOWN to use arg F2FS_GOING_DOWN_NOSYNC?
