Function report |
Source Code:block\blk-merge.c |
Create Date:2022-07-28 17:05:55 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:ly try to merge bvecs into one sg if they are from two bios
Proto:static inline bool __blk_segment_map_sg_merge(struct request_queue *q, struct bio_vec *bvec, struct bio_vec *bvprv, struct scatterlist **sg)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct request_queue * | q | |
| struct bio_vec * | bvec | |
| struct bio_vec * | bvprv | |
| struct scatterlist ** | sg |
| 468 | If Not sg Then Return false |
| 471 | If length + nbytes > queue_max_segment_size(q) Then Return false |
| 474 | If Not biovec_phys_mergeable(q, bvprv, bvec) Then Return false |
| 479 | Return true |
| Name | Describe |
|---|---|
| __blk_bios_map_sg |
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