函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-throttle.c Create Date:2022-07-27 19:20:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blk_throtl_register_queue

函数原型：void blk_throtl_register_queue(struct request_queue *q)

返回类型：void

参数：

类型参数名称
struct request_queue *q
2482  td等于 Throttle data
2483  BUG_ON(!td)
2485  如果blk_queue_nonrot(q)则
2486  throtl_slice等于DFL_THROTL_SLICE_SSD
2487  filtered_latency等于LATENCY_FILTERED_SSD
2488  否则
2489  throtl_slice等于Throttling is performed over a slice and after that slice is renewed
2490  filtered_latency等于1ms
2491  以i小于We measure latency for request size from <= 4k to >= 1M 循环
2492  ns / 1024 等于4ms
2493  ns / 1024 等于4ms
2498  throtl_slice等于Throttling is performed over a slice and after that slice is renewed
2501  track_bio_latency等于非queue_is_mq(q)
2502  如果非track_bio_latency则blk_stat_enable_accounting(q)