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vmm: device_manager: Add read-only support for virtio-blk

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vhost_user_blk already has it, so it's only fair to give it to
virtio-blk too. Extend DiskConfig with a 'readonly' properly, and pass
it to vm_virtio::Block.

Signed-off-by: Sergio Lopez <slp@redhat.com>
This commit is contained in:
Sergio Lopez
2020-01-21 12:22:09 +01:00
committed by Rob Bradford
parent 9ac06bf613
commit fb79e75afc
2 changed files with 9 additions and 3 deletions
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6
vmm/src/device_manager.rs
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@@ -938,7 +938,7 @@ impl DeviceManager {
// Open block device path
let image: File = OpenOptions::new()
.read(true)
.write(true)
.write(!disk_cfg.readonly)
.open(&disk_cfg.path)
.map_err(DeviceManagerError::Disk)?;
@@ -951,7 +951,7 @@ impl DeviceManager {
let dev = vm_virtio::Block::new(
raw_img,
disk_cfg.path.clone(),
false,
disk_cfg.readonly,
disk_cfg.iommu,
)
.map_err(DeviceManagerError::CreateVirtioBlock)?;
@@ -970,7 +970,7 @@ impl DeviceManager {
let dev = vm_virtio::Block::new(
qcow_img,
disk_cfg.path.clone(),
false,
disk_cfg.readonly,
disk_cfg.iommu,
)
.map_err(DeviceManagerError::CreateVirtioBlock)?;