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Re: [libvirt] [PATCH v2 2/6] qemu: support passthrough for iscsi disks



On 2013年03月21日 19:53, Paolo Bonzini wrote:
> This enables usage of commands like persistent reservations.
> 
> Signed-off-by: Paolo Bonzini<pbonzini redhat com>
> ---
>   src/libvirt_private.syms                           |  1 +
>   src/qemu/qemu_command.c                            |  9 ++++++-
>   .../qemuxml2argv-disk-drive-network-iscsi-lun.args |  1 +
>   .../qemuxml2argv-disk-drive-network-iscsi-lun.xml  | 28 ++++++++++++++++++++++
>   tests/qemuxml2argvtest.c                           |  4 ++++
>   5 files changed, 42 insertions(+), 1 deletion(-)
>   create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.args
>   create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.xml
> 
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index 21bc615..9529265 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -156,6 +156,7 @@ virDomainDiskIoTypeToString;
>   virDomainDiskPathByName;
>   virDomainDiskProtocolTransportTypeFromString;
>   virDomainDiskProtocolTransportTypeToString;
> +virDomainDiskProtocolTypeToString;

Not alphabetically sorted.

>   virDomainDiskRemove;
>   virDomainDiskRemoveByName;
>   virDomainDiskTypeFromString;
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 4774650..313db2c 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -3026,7 +3026,14 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
>                              bus);
>               goto error;
>           }
> -        if (disk->type != VIR_DOMAIN_DISK_TYPE_BLOCK) {
> +        if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) {
> +            if (disk->protocol != VIR_DOMAIN_DISK_PROTOCOL_ISCSI) {
> +                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                               _("disk device='lun' is not supported for protocol='%s'"),
> +                               virDomainDiskProtocolTypeToString(disk->protocol));
> +                goto error;
> +            }
> +        } else if (disk->type != VIR_DOMAIN_DISK_TYPE_BLOCK) {
>               virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
>                              _("disk device='lun' is not supported for type='%s'"),
>                              virDomainDiskTypeToString(disk->type));
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.args
> new file mode 100644
> index 0000000..baa7760
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.args
> @@ -0,0 +1 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x3 -usb -drive file=iscsi://example.org:3260/iqn.1992-01.com.example,if=none,id=drive-scsi0-0-0-0,format=raw -device scsi-block,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi-lun.xml

Long line, better to break.

ACK.


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