Query Request Submission
Function
Submits query requests to the ocf queue. This interface processes requests asynchronously.
Request type: Query whether all data in the specified region range is hit in the cache.
Implementation Method
int ocf_lookup(struct req_context *cxt);
Parameters
Parameter |
Data Type |
Input/Output |
Description |
|---|---|---|---|
ctx |
struct req_context * |
Input |
Refer to Structures. |
Return Values
STATE_SUCCESS: The requests are successfully submitted to the ocf queue.
STATE_OCF_UNAVAILABLE: ocf is unavailable.
STATE_PARAM_INVALID: The ctx pointer is null, or its internal parameters are invalid.
STATE_CORE_NOT_EXIST: The core corresponding to the slot does not exist. The request fails to be submitted.
STATE_MEM_ALLOC_ERR: Memory allocation failed.
Parent topic: External APIs