Unlocks the media of device dev
int i2o_block_device_unlock(struct i2o_device * dev, u32 media_id);
dev
I2O device which should receive the unlocked request
media_id
Media Identifier
Unlocks the media in device dev. The media identifier should be set to -1, because the spec does not support any other value.
Returns 0 on success or negative error code on failure.