taglinefilesource code
plug377drivers/block/ll_rw_blk.cstruct request plug;
plug431drivers/block/ll_rw_blk.cdev->current_request = &plug;
plug432drivers/block/ll_rw_blk.cplug.dev = -1;
plug433drivers/block/ll_rw_blk.cplug.next = NULL;
plug449drivers/block/ll_rw_blk.cdev->current_request = plug.next;