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qemu: Supply correct default type for 'dir' based VIR_STORAGE_TYPE_VOLUME

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Our code would skip adding the default type in this cases, but since we
know that the only reasonable option here is 'fat' we can add it while
starting the VM.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-06-25 15:23:56 +02:00
parent 99917ade0a
commit 7d5b283065
4 changed files with 26 additions and 3 deletions
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12
src/qemu/qemu_domain.c
View File

@ -14217,10 +14217,16 @@ qemuDomainPrepareDiskSource(virDomainDiskDefPtr disk,
{
qemuDomainPrepareDiskCachemode(disk);
/* add raw file format if the storage pool did not fill it in */
/* set default format for storage pool based disks */
if (disk->src->type == VIR_STORAGE_TYPE_VOLUME &&
disk->src->format <= VIR_STORAGE_FILE_NONE)
disk->src->format = VIR_STORAGE_FILE_RAW;
disk->src->format <= VIR_STORAGE_FILE_NONE) {
int actualType = virStorageSourceGetActualType(disk->src);
if (actualType == VIR_STORAGE_TYPE_DIR)
disk->src->format = VIR_STORAGE_FILE_FAT;
else
disk->src->format = VIR_STORAGE_FILE_RAW;
}
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) {
if (qemuDomainPrepareDiskSourceBlockdev(disk, priv, cfg) < 0)

4
tests/qemuxml2argvdata/disk-source-pool.args
View File

@ -36,4 +36,8 @@ readonly=on \
readonly=on \
-device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
id=virtio-disk0 \
-drive file=fat:/some/dir/device/vol2,if=none,id=drive-virtio-disk1,\
readonly=on \
-device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,\
id=virtio-disk1 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

6
tests/qemuxml2argvdata/disk-source-pool.xml
View File

@ -43,6 +43,12 @@
<target dev='vda' bus='virtio'/>
<readonly/>
</disk>
<disk type='volume' device='disk'>
<driver name='qemu'/>
<source pool='pool-disk' volume='dir+vol2'/>
<target dev='vdb' bus='virtio'/>
<readonly/>
</disk>
<controller type='usb' index='0'/>
<controller type='ide' index='0'/>
<controller type='pci' index='0' model='pci-root'/>

7
tests/qemuxml2xmloutdata/disk-source-pool.xml
View File

@ -44,6 +44,13 @@
<readonly/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<disk type='volume' device='disk'>
<driver name='qemu'/>
<source pool='pool-disk' volume='dir+vol2'/>
<target dev='vdb' bus='virtio'/>
<readonly/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>