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https://gitlab.com/libvirt/libvirt.git
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Use a separate buffer for <disk><driver>
Eliminate the big condition at the start. Instead use a buffer and only format the element if the buffer is non-empty.
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parent
51219e11b8
commit
d89803d27c
@ -20972,6 +20972,7 @@ virDomainDiskDefFormat(virBufferPtr buf,
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const char *sgio = virDomainDeviceSGIOTypeToString(def->sgio);
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const char *discard = virDomainDiskDiscardTypeToString(def->discard);
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const char *detect_zeroes = virDomainDiskDetectZeroesTypeToString(def->detect_zeroes);
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virBuffer driverBuf = VIR_BUFFER_INITIALIZER;
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if (!type || !def->src->type) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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@ -21023,35 +21024,33 @@ virDomainDiskDefFormat(virBufferPtr buf,
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virBufferAddLit(buf, ">\n");
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virBufferAdjustIndent(buf, 2);
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if (def->src->driverName || def->src->format > 0 || def->cachemode ||
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def->error_policy || def->rerror_policy || def->iomode ||
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def->ioeventfd || def->event_idx || def->copy_on_read ||
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def->discard || def->iothread || def->detect_zeroes) {
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virBufferEscapeString(&driverBuf, " name='%s'", def->src->driverName);
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if (def->src->format > 0)
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virBufferAsprintf(&driverBuf, " type='%s'",
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virStorageFileFormatTypeToString(def->src->format));
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if (def->cachemode)
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virBufferAsprintf(&driverBuf, " cache='%s'", cachemode);
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if (def->error_policy)
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virBufferAsprintf(&driverBuf, " error_policy='%s'", error_policy);
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if (def->rerror_policy)
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virBufferAsprintf(&driverBuf, " rerror_policy='%s'", rerror_policy);
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if (def->iomode)
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virBufferAsprintf(&driverBuf, " io='%s'", iomode);
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if (def->ioeventfd)
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virBufferAsprintf(&driverBuf, " ioeventfd='%s'", ioeventfd);
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if (def->event_idx)
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virBufferAsprintf(&driverBuf, " event_idx='%s'", event_idx);
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if (def->copy_on_read)
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virBufferAsprintf(&driverBuf, " copy_on_read='%s'", copy_on_read);
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if (def->discard)
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virBufferAsprintf(&driverBuf, " discard='%s'", discard);
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if (def->iothread)
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virBufferAsprintf(&driverBuf, " iothread='%u'", def->iothread);
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if (def->detect_zeroes)
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virBufferAsprintf(&driverBuf, " detect_zeroes='%s'", detect_zeroes);
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if (virBufferUse(&driverBuf)) {
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virBufferAddLit(buf, "<driver");
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virBufferEscapeString(buf, " name='%s'", def->src->driverName);
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if (def->src->format > 0)
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virBufferAsprintf(buf, " type='%s'",
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virStorageFileFormatTypeToString(def->src->format));
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if (def->cachemode)
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virBufferAsprintf(buf, " cache='%s'", cachemode);
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if (def->error_policy)
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virBufferAsprintf(buf, " error_policy='%s'", error_policy);
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if (def->rerror_policy)
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virBufferAsprintf(buf, " rerror_policy='%s'", rerror_policy);
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if (def->iomode)
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virBufferAsprintf(buf, " io='%s'", iomode);
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if (def->ioeventfd)
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virBufferAsprintf(buf, " ioeventfd='%s'", ioeventfd);
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if (def->event_idx)
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virBufferAsprintf(buf, " event_idx='%s'", event_idx);
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if (def->copy_on_read)
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virBufferAsprintf(buf, " copy_on_read='%s'", copy_on_read);
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if (def->discard)
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virBufferAsprintf(buf, " discard='%s'", discard);
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if (def->iothread)
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virBufferAsprintf(buf, " iothread='%u'", def->iothread);
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if (def->detect_zeroes)
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virBufferAsprintf(buf, " detect_zeroes='%s'", detect_zeroes);
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virBufferAddBuffer(buf, &driverBuf);
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virBufferAddLit(buf, "/>\n");
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}
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