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Subject[PATCH v2 1/8] blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
Date
The throtl_downgrade_state() is always used to change to LIMIT_LOW
limitation, thus remove the latter meaningless parameter which
indicates the limitation index.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
block/blk-throttle.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 36ba61c..4007b26 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1970,7 +1970,7 @@ static void throtl_upgrade_state(struct throtl_data *td)
queue_work(kthrotld_workqueue, &td->dispatch_work);
}

-static void throtl_downgrade_state(struct throtl_data *td, int new)
+static void throtl_downgrade_state(struct throtl_data *td)
{
td->scale /= 2;

@@ -1980,7 +1980,7 @@ static void throtl_downgrade_state(struct throtl_data *td, int new)
return;
}

- td->limit_index = new;
+ td->limit_index = LIMIT_LOW;
td->low_downgrade_time = jiffies;
}

@@ -2067,7 +2067,7 @@ static void throtl_downgrade_check(struct throtl_grp *tg)
* cgroups
*/
if (throtl_hierarchy_can_downgrade(tg))
- throtl_downgrade_state(tg->td, LIMIT_LOW);
+ throtl_downgrade_state(tg->td);

tg->last_bytes_disp[READ] = 0;
tg->last_bytes_disp[WRITE] = 0;
--
1.8.3.1
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