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Bug 1999409 - [virtio-win][virtiofs] can't create symbolic link in a sub folder
Summary: [virtio-win][virtiofs] can't create symbolic link in a sub folder
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: virtio-win
Version: 9.0
Hardware: x86_64
OS: Windows
medium
medium
Target Milestone: rc
: 9.0
Assignee: Virtualization Maintenance
QA Contact: xiagao
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-08-31 06:57 UTC by xiagao
Modified: 2023-05-09 09:27 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-05-09 07:55:10 UTC
Type: ---
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-96013 0 None None None 2021-09-02 14:37:56 UTC
Red Hat Product Errata RHBA-2023:2451 0 None None None 2023-05-09 07:55:28 UTC

Description xiagao 2021-08-31 06:57:38 UTC 
Description of problem:
Creating a file on a folder in shared volume, and then try to create symbolic link for the file, it shows "The parameter is incorrect."

Version-Release number of selected component (if applicable):
qemu-kvm-6.0.0-29.module+el8.5.0+12386+43574bac.x86_64
kernel-4.18.0-329.el8.x86_64
virtio-win-prewhql-0.1-207

How reproducible:
100%

Steps to Reproduce:
1.boot up win10-64 guest with virtiofs device
(host)# /usr/libexec/virtiofsd --socket-path=/tmp/socket1 -o source=/home/test
(host)/usr/libexec/qemu-kvm \
    -object memory-backend-file,size=4G,mem-path=/dev/shm,share=yes,id=mem-mem1  \
    -smp 24,maxcpus=24,cores=12,threads=1,dies=1,sockets=2  \
    -numa node,memdev=mem-mem1,nodeid=0  \
    -chardev socket,id=char_virtiofs_fs,path=/tmp/socket1 \
    -device vhost-user-fs-pci,id=vufs_virtiofs_fs,chardev=char_virtiofs_fs,tag=myfs,queue-size=1024,bus=pcie_extra_root_port_0 \


2.install virtiofs driver and winfsp installer in guest.
3.start virtiofs service via run virtiofs.exe and get a new Z: volume
4.creat folder in z: and create a file in that folder
Z:\>md folder

Z:\>echo test > folder\a.txt

Z:\>echo test > b.txt


5.create symbolic links for the folder and file
Z:\>mklink /d folder-link folder
symbolic link created for folder-link <<===>> folder

Z:\>type folder-link\a.txt
test

Z:\>mklink b-link b.txt
symbolic link created for b-link <<===>> b.txt

Z:\>type b-link
test

Z:\>cd folder

Z:\folder>mklink a-link a.txt
The parameter is incorrect.


Actual results:
can't create symbolic links for the file in a folder

Expected results:
can create symbolic links for a file in a folder.

Additional info:
Comment 1 Yvugenfi@redhat.com 2022-10-18 11:21:53 UTC 
Upstream PR: https://github.com/virtio-win/kvm-guest-drivers-windows/pull/843
Comment 3 Vadim Rozenfeld 2022-10-25 06:07:17 UTC 
please check with build 228
https://brewweb.engineering.redhat.com/brew/buildinfo?buildID=2226327
Comment 5 xiagao 2022-10-26 10:00:40 UTC 
Verify this bug on virtio-win-prewhql-228.

Verify steps:
A:\>md folder

A:\>cd folder

A:\folder>mklink a-link a.txt
symbolic link created for a-link <<===>> a.txt

----->Success to make symbolic link for files in sub-folder of mounted volume.

Thanks all.
Comment 10 errata-xmlrpc 2023-05-09 07:55:10 UTC 
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-2023:2451
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