Function report |
Source Code:block\blk-mq-tag.c |
Create Date:2022-07-28 17:12:36 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:If a previously busy queue goes inactive, potential waiters could now* be allowed to queue. Wake them up and check.
Proto:void __blk_mq_tag_idle(struct blk_mq_hw_ctx *hctx)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct blk_mq_hw_ctx * | hctx |
| 49 | tags = @tags: Tags owned by the block driver. A tag at this set is only* assigned when a request is dispatched from a hardware queue. |
| 51 | If Not st_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier). Then Return |
| 54 | atomic_dec( & active_queues) |
| Source code conversion tool public plug-in interface | X |
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