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From fc87d33beca46597b7d413752a07f50af8579a6a Mon Sep 17 00:00:00 2001
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Message-Id: <fc87d33beca46597b7d413752a07f50af8579a6a@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 4 Feb 2020 15:07:42 +0100
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Subject: [PATCH] qemu: backup: Implement support for backup disk bitmap name
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configuration
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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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Use the user-configured name of the bitmap when merging the appropriate
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bitmaps for an incremental backup so that the user can see it as
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configured. Additionally expose the default bitmap name if nothing is
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configured.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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(cherry picked from commit 0c3792a155d79ecf39221b9856fa14fde183af91)
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https://bugzilla.redhat.com/show_bug.cgi?id=1207659
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Message-Id: <0071b6d1293859c700344434e71e3b2f75ce6ffd.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_backup.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/src/qemu/qemu_backup.c b/src/qemu/qemu_backup.c
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index 2cc0e6ab07..23518a5d40 100644
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--- a/src/qemu/qemu_backup.c
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+++ b/src/qemu/qemu_backup.c
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@@ -322,7 +322,10 @@ qemuBackupDiskPrepareDataOne(virDomainObjPtr vm,
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return -1;
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if (incremental) {
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- dd->incrementalBitmap = g_strdup_printf("backup-%s", dd->domdisk->dst);
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+ if (dd->backupdisk->exportbitmap)
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+ dd->incrementalBitmap = g_strdup(dd->backupdisk->exportbitmap);
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+ else
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+ dd->incrementalBitmap = g_strdup_printf("backup-%s", dd->domdisk->dst);
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if (qemuBackupDiskPrepareOneBitmaps(dd, actions, incremental,
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blockNamedNodeData) < 0)
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@@ -368,6 +371,10 @@ static int
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qemuBackupDiskPrepareDataOnePull(virJSONValuePtr actions,
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struct qemuBackupDiskData *dd)
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{
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+ if (!dd->backupdisk->exportbitmap &&
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+ dd->incrementalBitmap)
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+ dd->backupdisk->exportbitmap = g_strdup(dd->incrementalBitmap);
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+
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if (qemuMonitorTransactionBackup(actions,
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dd->domdisk->src->nodeformat,
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dd->blockjob->name,
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--
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2.25.0
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