Function report |
Source Code:block\bfq-iosched.c |
Create Date:2022-07-28 17:53:44 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:bfq_bfqq_sync
Proto:int bfq_bfqq_sync(const struct bfq_queue *bfqq)
Type:int
Parameter:
Type | Parameter | Name |
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const struct bfq_queue * | bfqq |
154 | Return If __builtin_constant_p( synchronous queue ) Then constant_test_bit(( synchronous queue ), ( & status flags )) Else variable_test_bit(( synchronous queue ), ( & status flags )) |
Name | Describe |
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bfq_serv_to_charge | see the definition of bfq_async_charge_factor for details |
bfq_bfqq_handle_idle_busy_switch | |
bfq_add_request | |
bfq_may_be_close_cooperator | |
__bfq_bfqq_recalc_budget | __bfq_bfqq_recalc_budget - try to adapt the budget to the @bfqq behavior.*@bfqd: device data.*@bfqq: queue to update.*@reason: reason for expiration.* Handle the feedback on @bfqq budget at queue expiration.* See the body for detailed comments. |
bfq_bfqq_is_slow | Return true if the process associated with bfqq is "slow". The slow* flag is used, in addition to the budget timeout, to reduce the* amount of service provided to seeky processes, and thus reduce* their chances to lower the throughput |
bfq_better_to_idle | For a queue that becomes empty, device idling is allowed only if* this function returns true for that queue |
bfq_update_has_short_ttime |
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