fix: backup progress should not add block failed to upload to success…

…ful count

Longhorn 9791

Signed-off-by: Derek Su <derek.su@suse.com>

backupbackingimage/backupbackingimage.go

@@ -264,7 +264,8 @@ func backupMapping(bsDriver backupstore.BackupStoreDriver,
 		return err
 	}
 
-	return bsDriver.Write(blkFile, rs)
+	err = bsDriver.Write(blkFile, rs)
+	return err
 }
 
 // isBlockBeingProcessed check if the block is being processed by other goroutine and prevent redundant work

deltablock.go

@@ -425,7 +425,8 @@ func backupBlock(bsDriver BackupStoreDriver, config *DeltaBackupConfig,
 		return errors.Wrapf(err, "failed to get transfer data size during saving blocks")
 	}
 
-	if err := bsDriver.Write(blkFile, rs); err != nil {
+	err = bsDriver.Write(blkFile, rs)
+	if err != nil {
 		return errors.Wrapf(err, "failed to write data during saving blocks")
 	}