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From 0f6008b1fa9b236f673163a123b71aeebb6b4454 Mon Sep 17 00:00:00 2001
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Message-Id: <0f6008b1fa9b236f673163a123b71aeebb6b4454@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Fri, 9 Jun 2017 12:48:52 +0200
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Subject: [PATCH] Use a separate buffer for <disk><driver>
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Eliminate the big condition at the start.
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Instead use a buffer and only format the element if the buffer
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is non-empty.
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(cherry picked from commit d89803d27c3088aff6f4d062a578fc9938a80e04)
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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https://bugzilla.redhat.com/show_bug.cgi?id=1283251
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/conf/domain_conf.c | 55 +++++++++++++++++++++++++-------------------------
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1 file changed, 27 insertions(+), 28 deletions(-)
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index 4228cad610..d5c5a7030b 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -21088,6 +21088,7 @@ 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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@@ -21139,35 +21140,33 @@ 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, "
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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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--
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2.13.1
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