bfq_find_next_rq

Name:bfq_find_next_rq

Proto:static struct request *bfq_find_next_rq(struct bfq_data *bfqd, struct bfq_queue *bfqq, struct request *last)

Type:struct request

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd
struct bfq_queue *	bfqq
struct request *	last

894

rbnext = rb_next( & sort/lookup )

895

rbprev = rb_prev( & sort/lookup )

896

struct request * next, * prev = NULL

899

next = Return expired entry, or NULL to just start from scratch in rbtree.

900

If next Then Return next

903

If rbprev Then prev = rb_entry_rq(rbprev)

906

If rbnext Then next = rb_entry_rq(rbnext)

908

Else

909

rbnext = This function returns the first node (in sort order) of the tree.

910

If rbnext && rbnext != sort/lookup Then next = rb_entry_rq(rbnext)

914

Return Lifted from AS - choose which of rq1 and rq2 that is best served now.* We choose the request that is closer to the head right now. Distance* behind the head is penalized and only allowed to a certain extent.

**Caller**
Name	Describe
bfq_remove_request

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