SYNOPSIS
- struct request * blk_peek_request(struct request_queue * q);
ARGUMENTS
q
-
- request queue to peek at
DESCRIPTION
Return the request at the top of q. The returned request should be started using blk_start_request before LLD starts processing it.
RETURN
Pointer to the request at the top of q if available. Null otherwise.
CONTEXT
queue_lock must be held.
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