[Bug 253754] Live UFS Resize Not Working with 13.0-BETA3

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253754

            Bug ID: 253754
           Summary: Live UFS Resize Not Working with 13.0-BETA3
           Product: Base System
           Version: 13.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: daniel at morante.net

I'm testing 13.0-BETA3 in a Bhyve virtual machine. Whenever I try to resize the
file system while it's mounted I get an error from growfs saying the filesystem
"is not clean - run fsck.". The fsck error is misleading.  The file system is
clean and running it does not change anything.

For example:

```
    root at freebsd:~ # growfs /dev/gpt/storage0
    growfs: /dev/gpt/storage0 is not clean - run fsck.

    root at freebsd:~ # umount /dev/gpt/storage0
    root at freebsd:~ # growfs /dev/gpt/storage0
    It's strongly recommended to make a backup before growing the file system.
    OK to grow filesystem on /dev/gpt/storage0 from 35GB to 45GB? [yes/no] yes
    super-block backups (for fsck_ffs -b #) at:
     74266176, 75546624, 76827072, 78107520, 79387968, 80668416, 81948864,
83229312, 84509760, 85790208, 87070656, 88351104, 89631552, 90912000,
     92192448, 93472896
```

In a 12.2-RELEASE vm it works as expected:

```
root at freebsd:~ # growfs /dev/gpt/storage0
Device is mounted read-write; resizing will result in temporary write
suspension for /mnt/storage0.
It's strongly recommended to make a backup before growing the file system.
OK to grow filesystem on /dev/gpt/storage0, mounted on /mnt/storage0, from
1.0GB to 2.0GB? [yes/no] yes
super-block backups (for fsck_ffs -b #) at:
 2097088, 2621312, 3145536, 3669760
```

The same occurs if I try the resize on the root volumes. I'm using the images
from https://download.freebsd.org/ftp/releases/VM-IMAGES/ and the storage
device is a just a disk image.

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