cam/ctl/ctl.c

2328 		ctsio->io_hdr.blocker = bio;
2411 		if (io->io_hdr.blocker != NULL)
10900  * skip parameter allows explicitly skip present blocker of the I/O,
10902  * we know for sure that the blocker I/O does no longer count.
10915 	if (io->io_hdr.blocker == NULL)
10918 	obio = bio = io->io_hdr.blocker;
10930 			io->io_hdr.blocker = bio;
10937 	io->io_hdr.blocker = NULL;
11007  * skip parameter allows explicitly skip the specified I/O as blocker,
11023 		KASSERT(io->io_hdr.blocker != NULL,
11024 		    ("I/O %p on blocked list without blocker", io));
11222 				if (io->blocker != NULL) {
11223 					TAILQ_REMOVE(&io->blocker->io_hdr.blocked_queue,
11225 					io->blocker = NULL;
11430 		ctsio->io_hdr.blocker = bio;