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 |
| 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 |