I2O_BLOCK_PREP_REQ_F

Section: Message-based devices (9)
Updated: February 2011
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NAME

i2o_block_prep_req_fn - Allocates I2O block device specific struct

int i2o_block_prep_req_fn(struct request_queue * q, struct request * req);

req

Allocate the necessary i2o_block_request struct and connect it to the request. This is needed that we not lose the SG list later on.

Returns BLKPREP_OK on success or BLKPREP_DEFER on failure.