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Description of problem:
I am trying to copy >5k size file to the virtiofs mounted directory, it said "The destination already has a file named xxx".


Version-Release number of selected component (if applicable):
kernel-5.14.0-70.el9.x86_64
qemu-kvm-core-6.2.0-12.el9.x86_64
virtiofsd-1.1.0-4.el9_0.x86_64
virtio-win-prewhql-217

How reproducible:
100%

Steps to Reproduce:
1.(host)# mount 127.0.0.1:/mnt/virtio_fs_test_nfs  /tmp/virtio_fs_test
2.(host)# /usr/libexec/virtiofsd --socket-path=/tmp/sock1 -o source=/tmp/virtio_fs_test --debug

3.boot win2019 guest and install 217 prewhql virtiofs driver.
-object memory-backend-file,id=mem,size=4G,mem-path=/dev/shm,share=on \
-numa node,memdev=mem \
-chardev socket,id=char0,path=/tmp/sock1 \
-device vhost-user-fs-pci,chardev=char0,tag=myfs_11,bus=pci.11,queue-size=1024,id=dev_virtiofs_fs \

4.start virtiofs.exe, new z:\ is mounted.
5.Copy a >5k size file to z:\



Actual results:
after step5, it shows "The destination already has a file named 'file_test.txt'", then I click "replace the file in the destination", the file is successfully copied.


Expected results:
Can copy >5k size file to shared dir.

Additional info:

Hi,

Could you please share virtiofsd debug log?

Upstream pull request: https://github.com/virtio-win/kvm-guest-drivers-windows/pull/900

should be fixed in build 236 available at https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=52200270

Test on prewhql-0.1-236.
Can copy >5KB size file to the shared directory on top of nfs. 
So pre-verify it.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (virtio-win bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:6388