Function report |
Source Code:block\kyber-iosched.c |
Create Date:2022-07-28 17:52:11 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:kyber_bio_merge
Proto:static bool kyber_bio_merge(struct blk_mq_hw_ctx *hctx, struct bio *bio, unsigned int nr_segs)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct blk_mq_hw_ctx * | hctx | |
struct bio * | bio | |
unsigned int | nr_segs |
568 | khd = @sched_data: Pointer owned by the IO scheduler attached to a request* queue. It's up to the IO scheduler how to use this pointer. |
572 | rq_list = rq_list[sched_domain] |
575 | spin_lock( & Used to ensure operations on rq_list and kcq_map to be an atmoic one.* Also protect the rqs on rq_list when merge.) |
577 | spin_unlock( & Used to ensure operations on rq_list and kcq_map to be an atmoic one.* Also protect the rqs on rq_list when merge.) |
579 | Return merged |
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