diff options
| -rw-r--r-- | blockdev-nbd.c | 14 | ||||
| -rw-r--r-- | hmp.c | 5 | ||||
| -rw-r--r-- | qapi/block.json | 9 |
3 files changed, 19 insertions, 9 deletions
diff --git a/blockdev-nbd.c b/blockdev-nbd.c index 9e3c22109c..104789e521 100644 --- a/blockdev-nbd.c +++ b/blockdev-nbd.c @@ -140,8 +140,8 @@ void qmp_nbd_server_start(SocketAddressLegacy *addr, qapi_free_SocketAddress(addr_flat); } -void qmp_nbd_server_add(const char *device, bool has_writable, bool writable, - Error **errp) +void qmp_nbd_server_add(const char *device, bool has_name, const char *name, + bool has_writable, bool writable, Error **errp) { BlockDriverState *bs = NULL; BlockBackend *on_eject_blk; @@ -152,8 +152,12 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable, return; } - if (nbd_export_find(device)) { - error_setg(errp, "NBD server already exporting device '%s'", device); + if (!has_name) { + name = device; + } + + if (nbd_export_find(name)) { + error_setg(errp, "NBD server already has export named '%s'", name); return; } @@ -177,7 +181,7 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable, return; } - nbd_export_set_name(exp, device); + nbd_export_set_name(exp, name); /* The list of named exports has a strong reference to this export now and * our only way of accessing it is through nbd_export_find(), so we can drop @@ -2203,7 +2203,8 @@ void hmp_nbd_server_start(Monitor *mon, const QDict *qdict) continue; } - qmp_nbd_server_add(info->value->device, true, writable, &local_err); + qmp_nbd_server_add(info->value->device, false, NULL, + true, writable, &local_err); if (local_err != NULL) { qmp_nbd_server_stop(NULL); @@ -2223,7 +2224,7 @@ void hmp_nbd_server_add(Monitor *mon, const QDict *qdict) bool writable = qdict_get_try_bool(qdict, "writable", false); Error *local_err = NULL; - qmp_nbd_server_add(device, true, writable, &local_err); + qmp_nbd_server_add(device, false, NULL, true, writable, &local_err); if (local_err != NULL) { hmp_handle_error(mon, &local_err); diff --git a/qapi/block.json b/qapi/block.json index f093fa3f27..353e3a45bd 100644 --- a/qapi/block.json +++ b/qapi/block.json @@ -213,14 +213,19 @@ # # @device: The device name or node name of the node to be exported # +# @name: Export name. If unspecified, the @device parameter is used as the +# export name. (Since 2.12) +# # @writable: Whether clients should be able to write to the device via the # NBD connection (default false). # -# Returns: error if the device is already marked for export. +# Returns: error if the server is not running, or export with the same name +# already exists. # # Since: 1.3.0 ## -{ 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} } +{ 'command': 'nbd-server-add', + 'data': {'device': 'str', '*name': 'str', '*writable': 'bool'} } ## # @nbd-server-stop: |