diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2007-01-19 11:30:16 +1100 |
|---|---|---|
| committer | Jens Axboe <axboe@carl.home.kernel.dk> | 2007-02-11 23:14:44 +0100 |
| commit | aaf1228ddfb44f04c87d1e7dfc5ccffdba74363d (patch) | |
| tree | fb57e223b97e52e78f88f87e7aefdb5a557985eb /block | |
| parent | 783660b2f60418144e168ab75a06786f9695fc70 (diff) | |
| download | lwn-aaf1228ddfb44f04c87d1e7dfc5ccffdba74363d.tar.gz lwn-aaf1228ddfb44f04c87d1e7dfc5ccffdba74363d.zip | |
cfq-iosched: remove cfq_io_context last_queue
It hasn't been used for a while, kill it off and remove the old
if 0 code chunk.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 07b706243772..a31066d6c20c 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1471,22 +1471,8 @@ err: static void cfq_update_io_thinktime(struct cfq_data *cfqd, struct cfq_io_context *cic) { - unsigned long elapsed, ttime; - - /* - * if this context already has stuff queued, thinktime is from - * last queue not last end - */ -#if 0 - if (time_after(cic->last_end_request, cic->last_queue)) - elapsed = jiffies - cic->last_end_request; - else - elapsed = jiffies - cic->last_queue; -#else - elapsed = jiffies - cic->last_end_request; -#endif - - ttime = min(elapsed, 2UL * cfqd->cfq_slice_idle); + unsigned long elapsed = jiffies - cic->last_end_request; + unsigned long ttime = min(elapsed, 2UL * cfqd->cfq_slice_idle); cic->ttime_samples = (7*cic->ttime_samples + 256) / 8; cic->ttime_total = (7*cic->ttime_total + 256*ttime) / 8; @@ -1649,7 +1635,6 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, cfq_update_io_seektime(cic, rq); cfq_update_idle_window(cfqd, cfqq, cic); - cic->last_queue = jiffies; cic->last_request_pos = rq->sector + rq->nr_sectors; if (cfqq == cfqd->active_queue) { |