Function report |
Source Code:include\linux\blkdev.h |
Create Date:2022-07-28 05:46:27 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:rq_mergeable
Proto:static inline bool rq_mergeable(struct request *rq)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct request * | rq |
741 | If blk_rq_is_passthrough(rq) Then Return false |
744 | If req_op(rq) == REQ_OP_FLUSH Then Return false |
747 | If req_op(rq) == REQ_OP_WRITE_ZEROES Then Return false |
750 | If op and common flags & REQ_NOMERGE_FLAGS Then Return false |
752 | If rq_flags & lags that prevent us from merging requests: Then Return false |
755 | Return true |
Name | Describe |
---|---|
elv_rqhash_find | |
attempt_merge | For non-mq, this has to be called with the request spinlock acquired.* For mq with scheduling, the appropriate queue wide lock should be held. |
blk_rq_merge_ok | |
blk_mq_sched_try_insert_merge | |
dd_insert_request | add rq to rbtree and fifo |
bfq_insert_request |
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