summaryrefslogtreecommitdiffstats
path: root/drivers/md/bcache/util.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2014-01-12 14:12:44 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-12 14:12:44 +0100
commitdba861461f88c12249ac78fb877866c04f99deb3 (patch)
tree5812b143581bcc66c7c542f01ba0cb22e489b8e5 /drivers/md/bcache/util.c
parent0e6601eee039893a3f6420596ae4588d90d13cbe (diff)
parent228fdc083b017eaf90e578fa86fb1ecfd5ffae87 (diff)
Merge branch 'linus' into timers/core
Pick up the latest fixes and refresh the branch. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/bcache/util.c')
-rw-r--r--drivers/md/bcache/util.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
index 462214eeacb..bb37618e766 100644
--- a/drivers/md/bcache/util.c
+++ b/drivers/md/bcache/util.c
@@ -209,7 +209,13 @@ uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done)
{
uint64_t now = local_clock();
- d->next += div_u64(done, d->rate);
+ d->next += div_u64(done * NSEC_PER_SEC, d->rate);
+
+ if (time_before64(now + NSEC_PER_SEC, d->next))
+ d->next = now + NSEC_PER_SEC;
+
+ if (time_after64(now - NSEC_PER_SEC * 2, d->next))
+ d->next = now - NSEC_PER_SEC * 2;
return time_after64(d->next, now)
? div_u64(d->next - now, NSEC_PER_SEC / HZ)