sys/kern/vfs_mountroot.c

93 static int vfs_mountroot_wait_if_neccessary(const char *fs, const char *dev);
102  * Mount of the system's /dev.
242 		 * Already have /dev; this happens during rerooting.
254 		mp = vfs_mount_alloc(NULLVP, vfsp, "/dev", td->td_ucred);
280 	error = kern_symlinkat(td, "/", AT_FDCWD, "dev", UIO_SYSSPACE);
282 		printf("kern_symlink /dev -> / returns %d\n", error);
363 	/* Remount devfs under /dev */
364 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, "/dev", td);
385 		printf("mountroot: unable to remount devfs under /dev "
391 		/* Unlink the no longer needed /dev/dev -> / symlink */
392 		error = kern_unlinkat(td, AT_FDCWD, "/dev/dev",
395 			printf("mountroot: unable to unlink /dev/dev "
511 	printf("    eg. ufs:/dev/da0s1a\n");
513 	printf("        cd9660:/dev/cd0 ro\n");
515 	printf("mount -t cd9660 -o ro /dev/cd0 /)\n");
571 	/* Open /dev/mdctl so that we can attach/detach. */
572 	error = kern_openat(td, AT_FDCWD, "/dev/" MDCTL_NAME, UIO_SYSSPACE,
698 parse_mount_dev_present(const char *dev)
703 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, dev, curthread);
717 	char *dev, *fs, *opts, *tok;
731 	dev = tok;
735 		tok = strstr(dev, "md#");
744 	printf("Trying to mount root from %s:%s [%s]...\n", fs, dev,
755 	error = vfs_mountroot_wait_if_neccessary(fs, dev);
766 		ma = mount_arg(ma, "from", dev, -1);
778 			    "retrying for %d more second%s\n", fs, dev, error,
787 		    fs, dev, error);
885 		sbuf_printf(sb, "cd9660:/dev/cd0 ro\n");
887 		sbuf_printf(sb, "cd9660:/dev/cd1 ro\n");
982 vfs_mountroot_wait_if_neccessary(const char *fs, const char *dev)
992 	    dev[0] == '\0' || root_mount_always_wait != 0) {
1005 	if (parse_mount_dev_present(dev))
1013 	printf("mountroot: waiting for device %s...\n", dev);
1019 	} while (timeout > 0 && !parse_mount_dev_present(dev));