函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-wf2q.c Create Date:2022-07-27 19:35:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：q_update_active_tree - update min_start for the whole active tree

函数原型：static void bfq_update_active_tree(struct rb_node *node)

返回类型：void

参数：

类型参数名称
struct rb_node *node
448  up :
449  q_update_active_node - recalculate min_start.*@node: the node to update.*@node may have changed position or one of its children may have moved,* this function updates its min_start value. The left and right subtrees
451  parent等于rb_parent(node)
452  如果非parent则返回
455  如果node恒等于rb_left且rb_right则q_update_active_node - recalculate min_start.*@node: the node to update.*@node may have changed position or one of its children may have moved,* this function updates its min_start value. The left and right subtrees
457  否则如果rb_left则q_update_active_node - recalculate min_start.*@node: the node to update.*@node may have changed position or one of its children may have moved,* this function updates its min_start value. The left and right subtrees
460  node等于parent
461  转到:up
调用者
名称描述
bfq_active_insertq_active_insert - insert an entity in the active tree of its* group/device
bfq_active_extractq_active_extract - remove an entity from the active tree.*@st: the service_tree containing the tree.*@entity: the entity being removed.