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qemu: blockcopy: reuse storage driver APIs to pre-create copy target

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Rather than using the local-file only implementation 'qemuOpenFile'
switch to the imagelabel aware storage driver implementation.
This commit is contained in:
Peter Krempa 2016-02-29 13:36:16 +01:00
parent 060d4ec6a0
commit f8b6c11ab8
1 changed files with 13 additions and 7 deletions
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20
src/qemu/qemu_driver.c
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@ -16785,6 +16785,10 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
_("non-file destination not supported yet"));
goto endjob;
}
if (qemuDomainStorageFileInit(driver, vm, mirror) < 0)
goto endjob;
if (stat(mirror->path, &st) < 0) {
if (errno != ENOENT) {
virReportSystemError(errno, _("unable to stat for disk %s: %s"),
@ -16832,12 +16836,12 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
/* pre-create the image file */
if (!reuse) {
int fd = qemuOpenFile(driver, vm, mirror->path,
O_WRONLY | O_TRUNC | O_CREAT,
&need_unlink, NULL);
if (fd < 0)
if (virStorageFileCreate(mirror) < 0) {
virReportSystemError(errno, "%s", _("failed to create copy target"));
goto endjob;
VIR_FORCE_CLOSE(fd);
}
need_unlink = true;
}
if (mirror->format > 0)
@ -16869,6 +16873,7 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
/* Update vm in place to match changes. */
need_unlink = false;
virStorageFileDeinit(mirror);
disk->mirror = mirror;
mirror = NULL;
disk->mirrorJob = VIR_DOMAIN_BLOCK_JOB_TYPE_COPY;
@ -16879,8 +16884,9 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
vm->def->name);
endjob:
if (need_unlink && unlink(mirror->path))
VIR_WARN("unable to unlink just-created %s", mirror->path);
if (need_unlink && virStorageFileUnlink(mirror) < 0)
VIR_WARN("%s", _("unable to remove just-created copy target"));
virStorageFileDeinit(mirror);
qemuDomainObjEndJob(driver, vm);
if (monitor_error) {
virSetError(monitor_error);