白也
发表于 2021-7-27 22:47:46
111
gsboston
发表于 2021-8-3 11:44:42
666
liany
发表于 2021-8-10 15:00:07
666
hjxgame123
发表于 2021-8-12 00:15:25
bzn
小精灵
发表于 2021-8-13 17:19:43
6666
L0gan33
发表于 2021-10-21 10:53:58
11111111111
陌上冷时光
发表于 2021-11-1 18:49:14
学习学习
ustc
发表于 2021-11-25 11:03:55
static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
{
struct request *req, *free;
unsigned int request_count = 0;
......
switch (elv_merge(q, &req, bio)) {
case ELEVATOR_BACK_MERGE:
if (!bio_attempt_back_merge(q, req, bio))
break;
elv_bio_merged(q, req, bio);
free = attempt_back_merge(q, req);
if (free)
__blk_put_request(q, free);
else
elv_merged_request(q, req, ELEVATOR_BACK_MERGE);
goto out_unlock;
case ELEVATOR_FRONT_MERGE:
if (!bio_attempt_front_merge(q, req, bio))
break;
elv_bio_merged(q, req, bio);
free = attempt_front_merge(q, req);
if (free)
__blk_put_request(q, free);
else
elv_merged_request(q, req, ELEVATOR_FRONT_MERGE);
goto out_unlock;
default:
break;
}
get_rq:
req = get_request(q, bio->bi_opf, bio, GFP_NOIO);
......
blk_init_request_from_bio(req, bio);
......
add_acct_request(q, req, where);
__blk_run_queue(q);
out_unlock:
......
return BLK_QC_T_NONE;
}
花椒枸杞
发表于 2021-11-30 13:48:42
大神教你零基础学PS,30堂课从入门到精通2018年3月4.2G
唯心圆梦
发表于 2022-1-12 00:14:25
不错的教程
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