GC_TIME
sbi->last_time[GC_TIME] = now;
bool zoned_gc = (type == GC_TIME &&
(type == DISCARD_TIME || type == GC_TIME))
if (!is_idle(sbi, GC_TIME)) {
sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL;
F2FS_SBI_RW_ATTR(gc_idle_interval, interval_time[GC_TIME]);