Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-28 17:53:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:bfq_clear_bfqq_has_waker

Proto:void bfq_clear_bfqq_has_waker(struct bfq_queue *bfqq)

Type:void

Parameter:

TypeParameterName
struct bfq_queue *bfqq
160  __clear_bit - Clears a bit in memory*@nr: the bit to clear*@addr: the address to start counting from* Unlike clear_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation
Caller
NameDescribe
bfq_add_request
bfq_put_queueTask holds one reference to the queue, dropped when task exits. Each rq* in-flight on this queue also holds a reference, dropped when rq is freed.* Scheduler lock must be held here. Recall not to use bfqq after calling* this function on it.