Locks the media of device dev
int i2o_block_device_lock(struct i2o_device * dev, u32 media_id);
dev
I2O device which should receive the lock request
media_id
Media Identifier
Lock media of device dev to prevent removal. 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.