has_enough_free_secs
if (has_enough_free_secs(sbi, sec_freed, 0)) {
} else if (has_enough_free_secs(sbi, 0, 0)) {
if (has_enough_free_secs(sbi, 0, NR_PERSISTENT_LOG))
if (has_enough_free_secs(sbi, 0, 0))
if (likely(has_enough_free_secs(sbi, 0, 0)))