FAULT_CHECKPOINT 56 fs/f2fs/gc.c if (time_to_inject(sbi, FAULT_CHECKPOINT)) { FAULT_CHECKPOINT 57 fs/f2fs/gc.c f2fs_show_injection_info(FAULT_CHECKPOINT); FAULT_CHECKPOINT 491 fs/f2fs/segment.c if (time_to_inject(sbi, FAULT_CHECKPOINT)) { FAULT_CHECKPOINT 492 fs/f2fs/segment.c f2fs_show_injection_info(FAULT_CHECKPOINT); FAULT_CHECKPOINT 55 fs/f2fs/super.c [FAULT_CHECKPOINT] = "checkpoint error",