Re: [Qemu-devel] [Virtio-fs] [ANNOUNCE] virtio-fs v0.3 release

[piaojun]

A big step for virtio-fs!

Jun

On 2019/8/20 0:04, Stefan Hajnoczi wrote:
> I am delighted to announce the release of virtio-fs v0.3, a shared file
> system that lets virtual machines access a directory tree on the host.
> This release is based on QEMU 4.1.0 and Linux 5.3-rc3.
> 
> For more information about virtio-fs: https://virtio-fs.gitlab.io/
> 
> This is a development release aimed at early adopters of virtio-fs.  Work is
> being done to upstream the code into Linux and QEMU.  We expect to stop
> publishing virtio-fs releases once the code has been merged by these upstream
> projects.
> 
> Where to get it:
> 
>   https://gitlab.com/virtio-fs/linux/-/tags/virtio-fs-v0.3
>   https://gitlab.com/virtio-fs/qemu/-/tags/virtio-fs-v0.3
> 
> Changes:
> 
>  * Please note that the mount syntax has changed to:
> 
>      # mount -t virtio_fs myfs /mnt -o ...
> 
>    The old syntax was "mount -t virtio_fs none /mnt -o tag=myfs,...".
> 
>  * virtiofsd --fd=FDNUM takes a listen socket file descriptor number.  File
>    descriptor passing is an alternative way to manage the vhost-user UNIX
>    domain socket.  The parent process no longer needs to wait for virtiofsd to
>    create the listen socket before spawning the VM.
> 
>  * virtiofsd --syslog logs to syslog(2) instead of stderr.  Useful for 
> unifying
>    logging and when the virtiofsd process is not being supervised.
> 
>  * virtiofsd --thread-pool-size=NUM sets the maximum number of worker threads
>    for FUSE request processing.  This can be used to control the host queue
>    depth.  The default is 64.
> 
>  * Performance improvements and bug fixes.
> 
> Note for Kata Containers: the new kernel is not compatible with existing
> Kata Containers releases due to the mount syntax change.  To try it out,
> please apply the following kata-runtime patch:
> 
>   
> https://gitlab.com/virtio-fs/runtime/commit/a2e44de817e438c02a495cf258039774527e3178
> 
> Kata Containers patches for virtio-fs v0.3 are under development and will be
> submitted to Kata soon.
> 
> Thanks to the following people for contributing code and to many more
> for helping the virtio-fs effort:
> 
> Dr. David Alan Gilbert <address@hidden>
> Eric Ren <address@hidden>
> Eryu Guan <address@hidden>
> Ganesh Maharaj Mahalingam <address@hidden>
> Jiufei Xue <address@hidden>
> Liu Bo <address@hidden>
> Masayoshi Mizuma <address@hidden>
> Miklos Szeredi <address@hidden>
> Peng Tao <address@hidden>
> piaojun <address@hidden>
> Sebastien Boeuf <address@hidden>
> Stefan Hajnoczi <address@hidden>
> Vivek Goyal <address@hidden>
> Xiaoguang Wang <address@hidden>
> 
> 
> 
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>