diff options
| -rw-r--r-- | block/sheepdog.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c index 6c487c8322..cbbebc1aaf 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -2151,13 +2151,21 @@ static int coroutine_fn sd_co_create_opts(BlockDriver *drv, Error **errp) { BlockdevCreateOptions *create_options = NULL; - QDict *qdict, *location_qdict; + QDict *qdict = NULL, *location_qdict; Visitor *v; - char *redundancy; + char *redundancy = NULL; Error *local_err = NULL; int ret; + char *backing_fmt = NULL; redundancy = qemu_opt_get_del(opts, BLOCK_OPT_REDUNDANCY); + backing_fmt = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FMT); + + if (backing_fmt && strcmp(backing_fmt, "sheepdog") != 0) { + error_setg(errp, "backing_file must be a sheepdog image"); + ret = -EINVAL; + goto fail; + } qdict = qemu_opts_to_qdict(opts, NULL); qdict_put_str(qdict, "driver", "sheepdog"); @@ -2220,6 +2228,7 @@ fail: qapi_free_BlockdevCreateOptions(create_options); qobject_unref(qdict); g_free(redundancy); + g_free(backing_fmt); return ret; } @@ -3178,6 +3187,11 @@ static QemuOptsList sd_create_opts = { .help = "File name of a base image" }, { + .name = BLOCK_OPT_BACKING_FMT, + .type = QEMU_OPT_STRING, + .help = "Must be 'sheepdog' if present", + }, + { .name = BLOCK_OPT_PREALLOC, .type = QEMU_OPT_STRING, .help = "Preallocation mode (allowed values: off, full)" |