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qemu: domain: Extract disk post parse code into a function 

Later on, more stuff will be added so prevent the main function growing
out of control.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2018-05-24 16:55:20 +02:00
parent 6a58e3102b
commit db4dd58d6c
1 changed files with 43 additions and 34 deletions
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77
src/qemu/qemu_domain.c
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@ -5687,6 +5687,46 @@ qemuDomainChrDefPostParse(virDomainChrDefPtr chr,
return 0; return 0;
} }
static int
qemuDomainDeviceDiskDefPostParse(virDomainDiskDefPtr disk,
virQEMUDriverConfigPtr cfg)
{
/* set default disk types and drivers */
/* assign default storage format and driver according to config */
if (cfg->allowDiskFormatProbing) {
/* default disk format for drives */
if (virDomainDiskGetFormat(disk) == VIR_STORAGE_FILE_NONE &&
(virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_FILE ||
virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_BLOCK))
virDomainDiskSetFormat(disk, VIR_STORAGE_FILE_AUTO);
/* default disk format for mirrored drive */
if (disk->mirror &&
disk->mirror->format == VIR_STORAGE_FILE_NONE)
disk->mirror->format = VIR_STORAGE_FILE_AUTO;
} else {
/* default driver if probing is forbidden */
if (!virDomainDiskGetDriver(disk) &&
virDomainDiskSetDriver(disk, "qemu") < 0)
return -1;
/* default disk format for drives */
if (virDomainDiskGetFormat(disk) == VIR_STORAGE_FILE_NONE &&
(virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_FILE ||
virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_BLOCK))
virDomainDiskSetFormat(disk, VIR_STORAGE_FILE_RAW);
/* default disk format for mirrored drive */
if (disk->mirror &&
disk->mirror->format == VIR_STORAGE_FILE_NONE)
disk->mirror->format = VIR_STORAGE_FILE_RAW;
}
return 0;
}
static int static int
qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr dev, qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
const virDomainDef *def, const virDomainDef *def,
@ -5711,40 +5751,9 @@ qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
goto cleanup; goto cleanup;
} }
/* set default disk types and drivers */ if (dev->type == VIR_DOMAIN_DEVICE_DISK &&
if (dev->type == VIR_DOMAIN_DEVICE_DISK) { qemuDomainDeviceDiskDefPostParse(dev->data.disk, cfg) < 0)
virDomainDiskDefPtr disk = dev->data.disk; goto cleanup;
/* assign default storage format and driver according to config */
if (cfg->allowDiskFormatProbing) {
/* default disk format for drives */
if (virDomainDiskGetFormat(disk) == VIR_STORAGE_FILE_NONE &&
(virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_FILE ||
virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_BLOCK))
virDomainDiskSetFormat(disk, VIR_STORAGE_FILE_AUTO);
/* default disk format for mirrored drive */
if (disk->mirror &&
disk->mirror->format == VIR_STORAGE_FILE_NONE)
disk->mirror->format = VIR_STORAGE_FILE_AUTO;
} else {
/* default driver if probing is forbidden */
if (!virDomainDiskGetDriver(disk) &&
virDomainDiskSetDriver(disk, "qemu") < 0)
goto cleanup;
/* default disk format for drives */
if (virDomainDiskGetFormat(disk) == VIR_STORAGE_FILE_NONE &&
(virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_FILE ||
virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_BLOCK))
virDomainDiskSetFormat(disk, VIR_STORAGE_FILE_RAW);
/* default disk format for mirrored drive */
if (disk->mirror &&
disk->mirror->format == VIR_STORAGE_FILE_NONE)
disk->mirror->format = VIR_STORAGE_FILE_RAW;
}
}
if (dev->type == VIR_DOMAIN_DEVICE_VIDEO) { if (dev->type == VIR_DOMAIN_DEVICE_VIDEO) {
if (dev->data.video->type == VIR_DOMAIN_VIDEO_TYPE_DEFAULT) { if (dev->data.video->type == VIR_DOMAIN_VIDEO_TYPE_DEFAULT) {