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-rw-r--r--blockdev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c
index 7e6bf9955c..871966ca13 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -531,7 +531,9 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
if (is_help_option(buf)) {
error_printf("Supported formats:");
- bdrv_iterate_format(bdrv_format_print, NULL);
+ bdrv_iterate_format(bdrv_format_print, NULL, false);
+ error_printf("\nSupported formats (read-only):");
+ bdrv_iterate_format(bdrv_format_print, NULL, true);
error_printf("\n");
goto early_err;
}