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blk-throttle: remove more latency dead-code

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The struct 'latency_bucket' and the #define 'request_bucket_index'
are unused since
commit bf20ab538c ("blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW")

and the 'LATENCY_BUCKET_SIZE' #define was only used by the
'request_bucket_index' define.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240727155824.1000042-1-linux@treblig.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dr. David Alan Gilbert 2024-07-27 16:58:24 +01:00 committed by Jens Axboe
parent f6bb5254b7
commit 01aa8c869d
1 changed files with 0 additions and 11 deletions
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11
block/blk-throttle.c
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@ -31,14 +31,6 @@ static struct workqueue_struct *kthrotld_workqueue;
#define rb_entry_tg(node) rb_entry((node), struct throtl_grp, rb_node)
/* We measure latency for request size from <= 4k to >= 1M */
#define LATENCY_BUCKET_SIZE 9
struct latency_bucket {
unsigned long total_latency; /* ns / 1024 */
int samples;
};
struct throtl_data
{
/* service tree for active throtl groups */
@ -116,9 +108,6 @@ static unsigned int tg_iops_limit(struct throtl_grp *tg, int rw)
return tg->iops[rw];
}
#define request_bucket_index(sectors) \
clamp_t(int, order_base_2(sectors) - 3, 0, LATENCY_BUCKET_SIZE - 1)
/**
* throtl_log - log debug message via blktrace
* @sq: the service_queue being reported