debian/patches/pve/0041-PVE-always-set-dirty-counter-for-non-incremental-bac.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Stefan Reiter <s.reiter@proxmox.com>
   3 Date: Mon, 6 Jul 2020 14:40:13 +0200
   4 Subject: [PATCH] PVE: always set dirty counter for non-incremental backups
   5
   6 Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
   7 ---
   8  pve-backup.c | 8 ++++++--
   9  1 file changed, 6 insertions(+), 2 deletions(-)
  10
  11 diff --git a/pve-backup.c b/pve-backup.c
  12 index 9e767d724c..c108f6a745 100644
  13 --- a/pve-backup.c
  14 +++ b/pve-backup.c
  15 @@ -742,9 +742,13 @@ static void coroutine_fn pvebackup_co_prepare(void *opaque)
  16                      dirty += bdrv_get_dirty_count(bitmap);
  17                  }
  18                  di->bitmap = bitmap;
  19 -            } else if (bitmap != NULL) {
  20 +            } else {
  21                  dirty += di->size;
  22 -                bdrv_release_dirty_bitmap(bitmap);
  23 +
  24 +                /* after a full backup the old dirty bitmap is invalid anyway */
  25 +                if (bitmap != NULL) {
  26 +                    bdrv_release_dirty_bitmap(bitmap);
  27 +                }
  28              }
  29
  30              int dev_id = proxmox_backup_co_register_image(pbs, devname, di->size, expect_only_dirty, task->errp);