1BLK_QUEUE_UNPREP_RQ(9)           Block Devices          BLK_QUEUE_UNPREP_RQ(9)
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NAME

6       blk_queue_unprep_rq - set an unprepare_request function for queue
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SYNOPSIS

9       void blk_queue_unprep_rq(struct request_queue * q, unprep_rq_fn * ufn);
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ARGUMENTS

12       q
13           queue
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15       ufn
16           unprepare_request function
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DESCRIPTION

19       It´s possible for a queue to register an unprepare_request callback
20       which is invoked before the request is finally completed. The goal of
21       the function is to deallocate any data that was allocated in the
22       prepare_request callback.
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25Kernel Hackers Manual 2.6.         June 2019            BLK_QUEUE_UNPREP_RQ(9)
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