From: Nick Piggin <piggin@cyberone.com.au>
drivers/block/as-iosched.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff -puN drivers/block/as-iosched.c~as-more-HZ drivers/block/as-iosched.c
--- 25/drivers/block/as-iosched.c~as-more-HZ 2003-06-11 18:43:33.000000000 -0700
+++ 25-akpm/drivers/block/as-iosched.c 2003-06-11 18:43:33.000000000 -0700
@@ -929,13 +929,14 @@ void update_write_batch(struct as_data *
if (write_time < 0)
write_time = 0;
- if (write_time > batch + 5 && !ad->write_batch_idled) {
- if (write_time > batch * 2)
+ if (write_time > batch + (HZ/100) && !ad->write_batch_idled) {
+ if (write_time > batch * 3)
ad->write_batch_count /= 2;
else
ad->write_batch_count--;
- } else if (write_time + 5 < batch && ad->current_write_count == 0) {
- if (batch > write_time * 2)
+ } else if (write_time + (HZ/100) < batch
+ && ad->current_write_count == 0) {
+ if (batch > write_time * 3)
ad->write_batch_count *= 2;
else
ad->write_batch_count++;
_