Function report |
Source Code:block\bfq-iosched.c |
Create Date:2022-07-28 17:56:22 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Budget timeout is not implemented through a dedicated timer, but* just checked on request arrivals and completions, as well as on* idle timer expirations.
Proto:static bool bfq_bfqq_budget_timeout(struct bfq_queue *bfqq)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct bfq_queue * | bfqq |
| 4055 | Return ime_is_before_eq_jiffies(a) return true if a is before or equal to jiffies(udget expiration (in jiffies) ) |
| Name | Describe |
|---|---|
| bfq_may_expire_for_budg_timeout | If we expire a queue that is actively waiting (i.e., with the* device idled) for the arrival of a new request, then we may incur* the timestamp misalignment problem described in the body of the* function __bfq_activate_entity |
| bfq_rq_enqueued | Called when a new fs request (rq) is added to bfqq. Check if there's* something we should do about it. |
| bfq_idle_slice_timer_body |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |