block: add bdrv_co_delete_file_noerr
This function wraps bdrv_co_delete_file for the common case of removing a file,
which was just created by format driver, on an error condition.
It hides the -ENOTSUPP error, and reports all other errors otherwise.
Use it in luks driver
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20201217170904.946013-3-mlevitsk@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block.c b/block.c
index c682c3e..a1f3cec 100644
--- a/block.c
+++ b/block.c
@@ -706,6 +706,28 @@
return ret;
}
+void coroutine_fn bdrv_co_delete_file_noerr(BlockDriverState *bs)
+{
+ Error *local_err = NULL;
+ int ret;
+
+ if (!bs) {
+ return;
+ }
+
+ ret = bdrv_co_delete_file(bs, &local_err);
+ /*
+ * ENOTSUP will happen if the block driver doesn't support
+ * the 'bdrv_co_delete_file' interface. This is a predictable
+ * scenario and shouldn't be reported back to the user.
+ */
+ if (ret == -ENOTSUP) {
+ error_free(local_err);
+ } else if (ret < 0) {
+ error_report_err(local_err);
+ }
+}
+
/**
* Try to get @bs's logical and physical block size.
* On success, store them in @bsz struct and return 0.
