Function report |
Source Code:include\linux\blk_types.h |
Create Date:2022-07-28 05:43:53 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Reads are always treated as synchronous, as are requests with the FUA or* PREFLUSH flag. Other operations may be marked as synchronous using the* REQ_SYNC flag.
Proto:static inline bool op_is_sync(unsigned int op)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned int | op |
| 418 | Return (op & REQ_OP_MASK) == read sectors from the device || op & ( REQ_SYNC | REQ_FUA | REQ_PREFLUSH) |
| Name | Describe |
|---|---|
| blk_mq_rq_ctx_init | |
| blk_mq_make_request | |
| kyber_limit_depth | |
| bfq_limit_depth | Async I/O can easily starve sync I/O (both sync reads and sync* writes), by consuming all tags |
| bfq_bio_merge | |
| bfq_allow_bio_merge |
| 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 |