Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-28 17:54:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Return expired entry, or NULL to just start from scratch in rbtree.

Proto:static struct request *bfq_check_fifo(struct bfq_queue *bfqq, struct request *last)

Type:struct request

Parameter:

TypeParameterName
struct bfq_queue *bfqq
struct request *last
876  If bfq_bfqq_fifo_expire(bfqq) Then Return NULL
879  bfq_mark_bfqq_fifo_expire(bfqq)
881  rq = rq_entry_fifo(next)
883  If rq == last || ktime_get_ns() < fifo_time Then Return NULL
886  bfq_log_bfqq(parent bfq_data , bfqq, "check_fifo: returned %p", rq)
887  Return rq
Caller
NameDescribe
bfq_find_next_rq