diff options
| -rw-r--r-- | block/backup.c | 6 | ||||
| -rw-r--r-- | blockdev.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/block/backup.c b/block/backup.c index 2be570c0bf..f8309be01b 100644 --- a/block/backup.c +++ b/block/backup.c @@ -617,6 +617,12 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, return NULL; } + /* If we need to write to this bitmap, check that we can: */ + if (bitmap_mode != BITMAP_SYNC_MODE_NEVER && + bdrv_dirty_bitmap_check(sync_bitmap, BDRV_BITMAP_DEFAULT, errp)) { + return NULL; + } + /* Create a new bitmap, and freeze/disable this one. */ if (bdrv_dirty_bitmap_create_successor(bs, sync_bitmap, errp) < 0) { return NULL; diff --git a/blockdev.c b/blockdev.c index 985b6cd75c..a44ab1f709 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3491,7 +3491,7 @@ static BlockJob *do_backup_common(BackupCommon *backup, "when providing a bitmap"); return NULL; } - if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_DEFAULT, errp)) { + if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_ALLOW_RO, errp)) { return NULL; } } |