i2o_block_prep_req_fn(9) centos man page | unix.com

I2O_BLOCK_PREP_REQ_F(9) 				       Message-based devices					   I2O_BLOCK_PREP_REQ_F(9)

NAME
       i2o_block_prep_req_fn - Allocates I2O block device specific struct

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

ARGUMENTS
       q
	   request queue for the request

       req
	   the request to prepare

DESCRIPTION
       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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   I2O_BLOCK_PREP_REQ_F(9)