i2o_block_sglist_alloc (9)

int i2o_block_sglist_alloc(struct i2o_controller * c, struct i2o_block_request * ireq, u32 ** mptr);

c

I2O controller to which the request belongs

ireq

I2O block request

mptr

message body pointer

Builds the SG list and map it to be accessible by the controller.

Returns 0 on failure or 1 on success.