blk_delete_timer  914 block/blk-core.c 	blk_delete_timer(rq);
blk_delete_timer 1750 block/blk-core.c 	blk_delete_timer(req);
blk_delete_timer  163 block/blk-timeout.c 	blk_delete_timer(req);
blk_delete_timer   21 block/blk.h    void blk_delete_timer(struct request *);