diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2009-10-03 13:42:18 -0400 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-03 13:42:18 -0400 |
commit | 963b72fc6664be12ea52f35a6addea14ec373433 (patch) | |
tree | d84e270282c4264cb7028c39c1c44804bcf2e912 | |
parent | 8e2967555571659d2c8a70dd120710110ed7bba4 (diff) |
cfq-iosched: rename 'desktop' sysfs entry to 'low_latency'
Don't think that's necessarily a perfect description of what this
option fiddles with, but it's probably better than 'desktop'.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
-rw-r--r-- | block/cfq-iosched.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index fce8a749f4be..3010e2ec20c2 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c | |||
@@ -173,7 +173,7 @@ struct cfq_data { | |||
173 | unsigned int cfq_slice[2]; | 173 | unsigned int cfq_slice[2]; |
174 | unsigned int cfq_slice_async_rq; | 174 | unsigned int cfq_slice_async_rq; |
175 | unsigned int cfq_slice_idle; | 175 | unsigned int cfq_slice_idle; |
176 | unsigned int cfq_desktop; | 176 | unsigned int cfq_latency; |
177 | 177 | ||
178 | struct list_head cic_list; | 178 | struct list_head cic_list; |
179 | 179 | ||
@@ -1341,7 +1341,7 @@ static int cfq_dispatch_requests(struct request_queue *q, int force) | |||
1341 | * We also ramp up the dispatch depth gradually for async IO, | 1341 | * We also ramp up the dispatch depth gradually for async IO, |
1342 | * based on the last sync IO we serviced | 1342 | * based on the last sync IO we serviced |
1343 | */ | 1343 | */ |
1344 | if (!cfq_cfqq_sync(cfqq) && cfqd->cfq_desktop) { | 1344 | if (!cfq_cfqq_sync(cfqq) && cfqd->cfq_latency) { |
1345 | unsigned long last_sync = jiffies - cfqd->last_end_sync_rq; | 1345 | unsigned long last_sync = jiffies - cfqd->last_end_sync_rq; |
1346 | unsigned int depth; | 1346 | unsigned int depth; |
1347 | 1347 | ||
@@ -1980,7 +1980,7 @@ cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq, | |||
1980 | enable_idle = old_idle = cfq_cfqq_idle_window(cfqq); | 1980 | enable_idle = old_idle = cfq_cfqq_idle_window(cfqq); |
1981 | 1981 | ||
1982 | if (!atomic_read(&cic->ioc->nr_tasks) || !cfqd->cfq_slice_idle || | 1982 | if (!atomic_read(&cic->ioc->nr_tasks) || !cfqd->cfq_slice_idle || |
1983 | (!cfqd->cfq_desktop && cfqd->hw_tag && CIC_SEEKY(cic))) | 1983 | (!cfqd->cfq_latency && cfqd->hw_tag && CIC_SEEKY(cic))) |
1984 | enable_idle = 0; | 1984 | enable_idle = 0; |
1985 | else if (sample_valid(cic->ttime_samples)) { | 1985 | else if (sample_valid(cic->ttime_samples)) { |
1986 | if (cic->ttime_mean > cfqd->cfq_slice_idle) | 1986 | if (cic->ttime_mean > cfqd->cfq_slice_idle) |
@@ -2511,7 +2511,7 @@ static void *cfq_init_queue(struct request_queue *q) | |||
2511 | cfqd->cfq_slice[1] = cfq_slice_sync; | 2511 | cfqd->cfq_slice[1] = cfq_slice_sync; |
2512 | cfqd->cfq_slice_async_rq = cfq_slice_async_rq; | 2512 | cfqd->cfq_slice_async_rq = cfq_slice_async_rq; |
2513 | cfqd->cfq_slice_idle = cfq_slice_idle; | 2513 | cfqd->cfq_slice_idle = cfq_slice_idle; |
2514 | cfqd->cfq_desktop = 1; | 2514 | cfqd->cfq_latency = 1; |
2515 | cfqd->hw_tag = 1; | 2515 | cfqd->hw_tag = 1; |
2516 | cfqd->last_end_sync_rq = jiffies; | 2516 | cfqd->last_end_sync_rq = jiffies; |
2517 | return cfqd; | 2517 | return cfqd; |
@@ -2581,7 +2581,7 @@ SHOW_FUNCTION(cfq_slice_idle_show, cfqd->cfq_slice_idle, 1); | |||
2581 | SHOW_FUNCTION(cfq_slice_sync_show, cfqd->cfq_slice[1], 1); | 2581 | SHOW_FUNCTION(cfq_slice_sync_show, cfqd->cfq_slice[1], 1); |
2582 | SHOW_FUNCTION(cfq_slice_async_show, cfqd->cfq_slice[0], 1); | 2582 | SHOW_FUNCTION(cfq_slice_async_show, cfqd->cfq_slice[0], 1); |
2583 | SHOW_FUNCTION(cfq_slice_async_rq_show, cfqd->cfq_slice_async_rq, 0); | 2583 | SHOW_FUNCTION(cfq_slice_async_rq_show, cfqd->cfq_slice_async_rq, 0); |
2584 | SHOW_FUNCTION(cfq_desktop_show, cfqd->cfq_desktop, 0); | 2584 | SHOW_FUNCTION(cfq_low_latency_show, cfqd->cfq_latency, 0); |
2585 | #undef SHOW_FUNCTION | 2585 | #undef SHOW_FUNCTION |
2586 | 2586 | ||
2587 | #define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \ | 2587 | #define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \ |
@@ -2613,7 +2613,7 @@ STORE_FUNCTION(cfq_slice_sync_store, &cfqd->cfq_slice[1], 1, UINT_MAX, 1); | |||
2613 | STORE_FUNCTION(cfq_slice_async_store, &cfqd->cfq_slice[0], 1, UINT_MAX, 1); | 2613 | STORE_FUNCTION(cfq_slice_async_store, &cfqd->cfq_slice[0], 1, UINT_MAX, 1); |
2614 | STORE_FUNCTION(cfq_slice_async_rq_store, &cfqd->cfq_slice_async_rq, 1, | 2614 | STORE_FUNCTION(cfq_slice_async_rq_store, &cfqd->cfq_slice_async_rq, 1, |
2615 | UINT_MAX, 0); | 2615 | UINT_MAX, 0); |
2616 | STORE_FUNCTION(cfq_desktop_store, &cfqd->cfq_desktop, 0, 1, 0); | 2616 | STORE_FUNCTION(cfq_low_latency_store, &cfqd->cfq_latency, 0, 1, 0); |
2617 | #undef STORE_FUNCTION | 2617 | #undef STORE_FUNCTION |
2618 | 2618 | ||
2619 | #define CFQ_ATTR(name) \ | 2619 | #define CFQ_ATTR(name) \ |
@@ -2629,7 +2629,7 @@ static struct elv_fs_entry cfq_attrs[] = { | |||
2629 | CFQ_ATTR(slice_async), | 2629 | CFQ_ATTR(slice_async), |
2630 | CFQ_ATTR(slice_async_rq), | 2630 | CFQ_ATTR(slice_async_rq), |
2631 | CFQ_ATTR(slice_idle), | 2631 | CFQ_ATTR(slice_idle), |
2632 | CFQ_ATTR(desktop), | 2632 | CFQ_ATTR(low_latency), |
2633 | __ATTR_NULL | 2633 | __ATTR_NULL |
2634 | }; | 2634 | }; |
2635 | 2635 | ||