error_setg(errp, "Cannot specify both 'driver' and 'format'");
goto early_err;
}
- qdict_put(bs_opts, "driver", qstring_from_str(buf));
+ qdict_put_str(bs_opts, "driver", buf);
}
on_write_error = BLOCKDEV_ON_ERROR_ENOSPC;
copy_on_read = false;
}
- qdict_put(bs_opts, BDRV_OPT_READ_ONLY,
- qstring_from_str(read_only ? "on" : "off"));
- qdict_put(bs_opts, "copy-on-read",
- qstring_from_str(copy_on_read ? "on" :"off"));
+ qdict_put_str(bs_opts, BDRV_OPT_READ_ONLY, read_only ? "on" : "off");
+ qdict_put_str(bs_opts, "copy-on-read", copy_on_read ? "on" : "off");
/* Controller type */
value = qemu_opt_get(legacy_opts, "if");
new_id = g_strdup_printf("%s%s%i", if_name[type],
mediastr, unit_id);
}
- qdict_put(bs_opts, "id", qstring_from_str(new_id));
+ qdict_put_str(bs_opts, "id", new_id);
g_free(new_id);
}
error_report("werror is not supported by this bus type");
goto fail;
}
- qdict_put(bs_opts, "werror", qstring_from_str(werror));
+ qdict_put_str(bs_opts, "werror", werror);
}
rerror = qemu_opt_get(legacy_opts, "rerror");
error_report("rerror is not supported by this bus type");
goto fail;
}
- qdict_put(bs_opts, "rerror", qstring_from_str(rerror));
+ qdict_put_str(bs_opts, "rerror", rerror);
}
/* Actual block device init: Functionality shared with blockdev-add */
options = qdict_new();
if (s->has_snapshot_node_name) {
- qdict_put(options, "node-name",
- qstring_from_str(snapshot_node_name));
+ qdict_put_str(options, "node-name", snapshot_node_name);
}
- qdict_put(options, "driver", qstring_from_str(format));
+ qdict_put_str(options, "driver", format);
flags |= BDRV_O_NO_BACKING;
}
options = qdict_new();
detect_zeroes = blk_get_detect_zeroes_from_root_state(blk);
- qdict_put(options, "detect-zeroes",
- qstring_from_str(detect_zeroes ? "on" : "off"));
+ qdict_put_str(options, "detect-zeroes", detect_zeroes ? "on" : "off");
if (has_format) {
- qdict_put(options, "driver", qstring_from_str(format));
+ qdict_put_str(options, "driver", format);
}
medium_bs = bdrv_open(filename, NULL, options, bdrv_flags, errp);
goto out;
}
- /* complete all in-flight operations before resizing the device */
- bdrv_drain_all();
-
- ret = blk_truncate(blk, size);
- switch (ret) {
- case 0:
- break;
- case -ENOMEDIUM:
- error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, device);
- break;
- case -ENOTSUP:
- error_setg(errp, QERR_UNSUPPORTED);
- break;
- case -EACCES:
- error_setg(errp, "Device '%s' is read only", device);
- break;
- case -EBUSY:
- error_setg(errp, QERR_DEVICE_IN_USE, device);
- break;
- default:
- error_setg_errno(errp, -ret, "Could not resize");
- break;
- }
+ bdrv_drained_begin(bs);
+ ret = blk_truncate(blk, size, errp);
+ bdrv_drained_end(bs);
out:
blk_unref(blk);
Error *local_err = NULL;
int flags;
int64_t size;
+ bool set_backing_hd = false;
if (!backup->has_speed) {
backup->speed = 0;
}
if (backup->sync == MIRROR_SYNC_MODE_NONE) {
source = bs;
+ flags |= BDRV_O_NO_BACKING;
+ set_backing_hd = true;
}
size = bdrv_getlength(bs);
}
if (backup->format) {
- options = qdict_new();
- qdict_put(options, "driver", qstring_from_str(backup->format));
+ if (!options) {
+ options = qdict_new();
+ }
+ qdict_put_str(options, "driver", backup->format);
}
target_bs = bdrv_open(backup->target, NULL, options, flags, errp);
bdrv_set_aio_context(target_bs, aio_context);
+ if (set_backing_hd) {
+ bdrv_set_backing_hd(target_bs, source, &local_err);
+ if (local_err) {
+ bdrv_unref(target_bs);
+ goto out;
+ }
+ }
+
if (backup->has_bitmap) {
bmap = bdrv_find_dirty_bitmap(bs, backup->bitmap);
if (!bmap) {
options = qdict_new();
if (arg->has_node_name) {
- qdict_put(options, "node-name", qstring_from_str(arg->node_name));
+ qdict_put_str(options, "node-name", arg->node_name);
}
if (format) {
- qdict_put(options, "driver", qstring_from_str(format));
+ qdict_put_str(options, "driver", format);
}
/* Mirroring takes care of copy-on-write using the source's backing