On 2017/10/17 上午1:34, Michael Lyle wrote: > Sorry this got through to linux-block, was detected by the kbuilds test > robot. NSEC_PER_SEC is a long constant; 2.5 * 10^9 doesn't fit in a > signed long constant. > > Signed-off-by: Michael Lyle <mlyle@xxxxxxxx> I forgot i386 config... sorry too... Reviewed-by: Coly Li <colyli@xxxxxxx> Thanks to Michael for the fix. Coly Li > --- > drivers/md/bcache/util.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c > index 4dbe37e82877..e548b8b51322 100644 > --- a/drivers/md/bcache/util.c > +++ b/drivers/md/bcache/util.c > @@ -238,8 +238,8 @@ uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done) > * don't let us sleep more than 2.5 seconds (so we can notice/respond > * if the control system tells us to speed up!). > */ > - if (time_before64(now + NSEC_PER_SEC * 5 / 2, d->next)) > - d->next = now + NSEC_PER_SEC * 5 / 2; > + if (time_before64(now + NSEC_PER_SEC * 5LLU / 2LLU, d->next)) > + d->next = now + NSEC_PER_SEC * 5LLU / 2LLU; > > if (time_after64(now - NSEC_PER_SEC * 2, d->next)) > d->next = now - NSEC_PER_SEC * 2;