Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-28 17:57:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Returns NULL if a new bfqq should be allocated, or the old bfqq if this* was the last process referring to that bfqq.

Proto:static struct bfq_queue *bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq)

Type:struct bfq_queue

Parameter:

TypeParameterName
struct bfq_io_cq *bic
struct bfq_queue *bfqq
5989  bfq_log_bfqq(parent bfq_data , bfqq, "splitting queue")
5991  If bfqq_process_refs(bfqq) == 1 Then
5992  pid of the process owning the queue, used for logging purposes = pid
5993  bfq_clear_bfqq_coop(bfqq)
5994  bfq_clear_bfqq_split_coop(bfqq)
5995  Return bfqq
5998  bic_set_bfqq(bic, NULL, 1)
6000  bfq_put_cooperator(bfqq)
6002  bfq_release_process_ref(parent bfq_data , bfqq)
6003  Return NULL
Caller
NameDescribe
bfq_init_rq