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From fe9aca2a6860fbb84faed53b10fabc95b1c73a7a Mon Sep 17 00:00:00 2001
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Message-Id: <fe9aca2a6860fbb84faed53b10fabc95b1c73a7a@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 4 Feb 2020 15:08:05 +0100
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Subject: [PATCH] qemuMigrationCookieAddNBD: Move monitor call out of the loop
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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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The data is gathered only once so we can move the whole block which
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fetches the data out of the loop and get rid of the logic which
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prevents multiple calls.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit 464345e153b805467a22fca4615350e992e6d470)
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https://bugzilla.redhat.com/show_bug.cgi?id=1793263
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Message-Id: <4c88d7cb39985ba204cd126d6adb740f58d19d6f.1580824112.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_migration_cookie.c | 23 +++++++++--------------
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1 file changed, 9 insertions(+), 14 deletions(-)
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diff --git a/src/qemu/qemu_migration_cookie.c b/src/qemu/qemu_migration_cookie.c
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index 1c3de13983..33ab6cb7a5 100644
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--- a/src/qemu/qemu_migration_cookie.c
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+++ b/src/qemu/qemu_migration_cookie.c
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@@ -472,24 +472,19 @@ qemuMigrationCookieAddNBD(qemuMigrationCookiePtr mig,
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mig->nbd->disks = g_new0(struct qemuMigrationCookieNBDDisk, vm->def->ndisks);
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mig->nbd->ndisks = 0;
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+ if (!(stats = virHashCreate(10, virHashValueFree)))
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+ goto cleanup;
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+
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+ if (qemuDomainObjEnterMonitorAsync(driver, vm, priv->job.asyncJob) < 0)
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+ goto cleanup;
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+ rc = qemuMonitorBlockStatsUpdateCapacity(priv->mon, stats, false);
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+ if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
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+ goto cleanup;
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+
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for (i = 0; i < vm->def->ndisks; i++) {
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virDomainDiskDefPtr disk = vm->def->disks[i];
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qemuBlockStats *entry;
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- if (!stats) {
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- if (!(stats = virHashCreate(10, virHashValueFree)))
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- goto cleanup;
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-
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- if (qemuDomainObjEnterMonitorAsync(driver, vm,
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- priv->job.asyncJob) < 0)
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- goto cleanup;
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- rc = qemuMonitorBlockStatsUpdateCapacity(priv->mon, stats, false);
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- if (qemuDomainObjExitMonitor(driver, vm) < 0)
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- goto cleanup;
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- if (rc < 0)
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- goto cleanup;
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- }
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-
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if (!disk->info.alias ||
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!(entry = virHashLookup(stats, disk->info.alias)))
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continue;
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--
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2.25.0
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