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Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c
index 574adbcb7f..1869f9aaf3 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3545,6 +3545,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
BlockDriverState *bs;
BlockDriverState *target_bs;
Error *local_err = NULL;
+ BdrvDirtyBitmap *bmap = NULL;
AioContext *aio_context;
BlockJob *job = NULL;
int job_flags = JOB_DEFAULT;
@@ -3595,6 +3596,21 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
goto out;
}
}
+
+ if (backup->has_bitmap) {
+ bmap = bdrv_find_dirty_bitmap(bs, backup->bitmap);
+ if (!bmap) {
+ error_setg(errp, "Bitmap '%s' could not be found", backup->bitmap);
+ goto out;
+ }
+ if (bdrv_dirty_bitmap_qmp_locked(bmap)) {
+ error_setg(errp,
+ "Bitmap '%s' is currently locked and cannot be used for "
+ "backup", backup->bitmap);
+ goto out;
+ }
+ }
+
if (!backup->auto_finalize) {
job_flags |= JOB_MANUAL_FINALIZE;
}
@@ -3602,7 +3618,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
job_flags |= JOB_MANUAL_DISMISS;
}
job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
- backup->sync, NULL, backup->compress,
+ backup->sync, bmap, backup->compress,
backup->on_source_error, backup->on_target_error,
job_flags, NULL, NULL, txn, &local_err);
if (local_err != NULL) {