On 1/23/20 11:46 AM, Ján Tomko wrote:
Add a document describing the usage of virtiofs. --- docs/kbase.html.in | 3 + docs/kbase/virtiofs.rst | 153 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 156 insertions(+) create mode 100644 docs/kbase/virtiofs.rst
+=== 8< delete before merging 8< === +NOTE: if you're looking at this note, this is just a proposal. +See the up-to-date version on: https://libvirt.org/kbase/virtiofs.html +=== 8< --------------------- 8< ===
I'm assuming this will be updated ;)
+ +.. contents:: + +========= +Virtio-FS +========= + +Virtio-FS is a delicious delicacy aiming to provide an easy-to-configure
Fun language, but diverges from the official description...
+way of sharing filesystems between the host and the virtual machine. + +See https://virtio-fs.gitlab.io/
...that you find here: "Virtio-fs is a shared file system that lets virtual machines access a directory tree on the host. Unlike existing approaches, it is designed to offer local file system semantics and performance."
I'm not opposed to a fun turn of a phrase in what is otherwise dry technical documentation, but wonder if it helps our case here.
+ +2. Use hugepage-backed memory + +Make sure there are enough huge pages allocated for the requested guest memory. +For exmaple, for one guest with 2 GiB of RAM backed by 2 MiB hugepages:
example -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
