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From 7f5c44bfd2b6290e142380775b6a6205ccc43840 Mon Sep 17 00:00:00 2001
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Message-Id: <7f5c44bfd2b6290e142380775b6a6205ccc43840@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 23 Jun 2020 12:23:37 +0200
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Subject: [PATCH] conf: backup: Store incremental backup checkpoint name
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 per-disk
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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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In preparation to allow heterogenous backups store the 'incremental'
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field per-disk and fill it by default from the per-backup field.
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Having this will be important once we'll want to allow incremental
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backup working while hotplugging a new disk.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit b8295160c36e555d8bcaef5015d0c1e3ae85fb17)
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https://bugzilla.redhat.com/show_bug.cgi?id=1804593
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Message-Id: <ee6c31ce5f3400523559793fe40e789656068f7c.1592906423.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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 src/conf/backup_conf.c | 8 ++++++++
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 src/conf/backup_conf.h | 1 +
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 2 files changed, 9 insertions(+)
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diff --git a/src/conf/backup_conf.c b/src/conf/backup_conf.c
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index 64c8f6cc09..58fb3ec759 100644
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--- a/src/conf/backup_conf.c
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+++ b/src/conf/backup_conf.c
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@@ -71,6 +71,7 @@ virDomainBackupDefFree(virDomainBackupDefPtr def)
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         virDomainBackupDiskDefPtr disk = def->disks + i;
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         g_free(disk->name);
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+        g_free(disk->incremental);
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         g_free(disk->exportname);
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         g_free(disk->exportbitmap);
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         virObjectUnref(disk->store);
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@@ -503,5 +504,12 @@ virDomainBackupAlignDisks(virDomainBackupDefPtr def,
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         }
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     }
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+    for (i = 0; i < def->ndisks; i++) {
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+        virDomainBackupDiskDefPtr backupdisk = &def->disks[i];
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+
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+        if (def->incremental && !backupdisk->incremental)
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+            backupdisk->incremental = g_strdup(def->incremental);
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+    }
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+
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     return 0;
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 }
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diff --git a/src/conf/backup_conf.h b/src/conf/backup_conf.h
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index 672fd52ee7..7ce7a46ad4 100644
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--- a/src/conf/backup_conf.h
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+++ b/src/conf/backup_conf.h
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@@ -51,6 +51,7 @@ typedef virDomainBackupDiskDef *virDomainBackupDiskDefPtr;
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 struct _virDomainBackupDiskDef {
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     char *name;     /* name matching the 
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     virTristateBool backup; /* whether backup is requested */
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+    char *incremental; /* name of the starting point checkpoint of an incremental backup */
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     char *exportname; /* name of the NBD export for pull mode backup */
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     char *exportbitmap; /* name of the bitmap exposed in NBD for pull mode backup */
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-- 
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2.27.0
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