Granted.  I'm sure that's true, but yes, I am using VVFAT for two
reasons: (1) it is direct, read/write, host-to-guest file access, and
(2) it is the easiest method to transfer files between host and guest.

When I first encountered the need to transfer files I had on my host to
my VM, I looked for direct methods because it seemed more strait
forward.  VVFAT worked for small files, which is all I had to move for a
long time.  Also, I didn't test writes to the VVFAT because I didn't do
that much, until recently.  After using this feature for a while, I
found it to be extremely convenient and useful.

Secondly, I found VVFAT much easier to use than the network-based
transfer methods.  I didn't want to use QEMU's CIFS/SMB/Samba option
because it does not allow the use of an alternate Samba configuration
file.  I didn't want to have to configure /etc/smb.conf just run my VM
in user space.  (At least, I couldn't figure out how to do it,
otherwise.)  Similar inconveniences occur using FTP and SSH (which I'm
using now, but wouldn't want to at work).

Generally speaking, I'm not really using VVFAT as a disk image.  I'm
using it as a file transfer method.  Using an actual disk image would
require mounting the disk image in on the host, either via root access,
FUSE, or using filesystem editing tools, which are inconvenient.  I have
created ISO9660 images to import files, which works, but requires
creating a new image every time I need to import more files and doesn't
support writes, of course.  (I don't know how UDF would work on a disk
image file.  Would that work?)

I suppose the next thing I should try is an NTFS-3g filesystem which I
could mount with FUSE in my Linux host and natively in my Windows VM.
That's still less convenient than VVFAT, however, since I would have to
mount/umount the image on the host to get access and the VM would still
have to be off.  I would still prefer VVFAT to all of these options.

I really appreciate your help.  Thank you for taking my report
seriously.  If VVFAT is buggy and cannot be fixed easily, I defer to the
judgment of others and ask only that this limitation be well documented
in the primary references.  But, I'm convinced that a direct, host-to-
guest file access scheme is valuable.  If there is another solution, I
apologize for my ignorance and I would appreciate being pointed in the
right direction.

-- 
Corruption of File Data/Filename w/ Virtual FAT (VFAT)
https://bugs.launchpad.net/bugs/356808
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