kata-containers/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2026-08-05 02:19:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

fs: Update mount command to mount virtiofs filesystem

Browse Source 
With latest kernel, virtio-fs mount command has been simplified, and
this needs to be applied everywhere in our tests and documentation.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-01-02 19:04:48 +01:00
parent e1822cfdad
commit 143471b739
3 changed files with 11 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
docs/fs.md
View File

@@ -60,7 +60,7 @@ Assuming you have `clear-kvm.img` and `custom-vmlinux.bin` on your system, here
--disk path=clear-kvm.img \
--kernel custom-vmlinux.bin \
--cmdline "console=ttyS0 reboot=k panic=1 nomodules root=/dev/vda3" \
--fs tag=virtiofs,sock=/tmp/virtiofs,num_queues=1,queue_size=512
--fs tag=myfs,sock=/tmp/virtiofs,num_queues=1,queue_size=512
```
By default, DAX is enabled with a cache window of 8GiB. You can specify a custom size (let's say 4GiB for this example) for the cache by explicitly setting DAX and the cache size:
@@ -78,13 +78,11 @@ In case you don't want to use a shared window of cache to pass the shared files
```
### Mount the shared directory
The last step is to mount the shared directory inside the guest, using the `virtio_fs` filesystem type.
The last step is to mount the shared directory inside the guest, using the `virtiofs` filesystem type.
```bash
mkdir mount_dir
mount \
-t virtio_fs virtiofs mount_dir/ \
-o rootmode=040000,user_id=0,group_id=0,dax
mount -t virtiofs -o dax myfs mount_dir/
```
The `tag` needs to be consistent with what has been provided through the __cloud-hypervisor__ command line, which happens to be `virtiofs` in this example.
The `tag` needs to be consistent with what has been provided through the __cloud-hypervisor__ command line, which happens to be `myfs` in this example.
The `dax` option must be removed in case the shared cache region is not enabled from the VMM.
The `-o dax` option must be removed in case the shared cache region is not enabled from the VMM.