diff options
| -rw-r--r-- | block/cfq-iosched.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 1080d6778..369f2179e 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -21,18 +21,18 @@ * tunables */ /* max queue in one round of service */ -static const int cfq_quantum = 8; -static const int cfq_fifo_expire[2] = { HZ / 4, HZ / 8 }; +static const int cfq_quantum = 4; +static const int cfq_fifo_expire[2] = {42, 11}; /* maximum backwards seek, in KiB */ -static const int cfq_back_max = 16 * 1024; +static const int cfq_back_max = 12582912; /* penalty of a backwards seek */ -static const int cfq_back_penalty = 2; -static const int cfq_slice_sync = HZ / 10; -static int cfq_slice_async = HZ / 25; +static const int cfq_back_penalty = 1; +static const int cfq_slice_sync = HZ / 8; +static int cfq_slice_async = 7; static const int cfq_slice_async_rq = 2; static int cfq_slice_idle = 0; -static int cfq_group_idle = HZ / 125; -static const int cfq_target_latency = HZ * 3/10; /* 300 ms */ +static int cfq_group_idle = 0; +static const int cfq_target_latency = 300; /* 300 ms */ static const int cfq_hist_divisor = 4; /* |