feat: support for USB mass storage devices, hotplugging

programs/src/disks/actions.cpp

@@ -46,10 +46,11 @@ void open_newpart_dialog() {
     dlg.hover_cancel = false;
 
     Montauk::DiskInfo& disk = dt.disks[dt.selected_disk];
+    int blockDev = selected_block_dev();
     char sz[24];
     format_disk_size(sz, sizeof(sz), disk.sectorCount, disk.sectorSizeLog);
     snprintf(dlg.disk_desc, sizeof(dlg.disk_desc), "Disk %d: %s (%s)",
-             dt.selected_disk, disk.model, sz);
+             blockDev, disk.model, sz);
 
     if (dlg.will_init_gpt) {
         snprintf(dlg.warn_line1, sizeof(dlg.warn_line1),
@@ -89,7 +90,8 @@ void newpart_dialog_confirm() {
     auto& dlg = dt.np_dlg;
 
     if (dlg.will_init_gpt) {
-        int r = montauk::gpt_init(dt.selected_disk);
+        int blockDev = selected_block_dev();
+        int r = montauk::gpt_init(blockDev);
         if (r < 0) {
             set_status("Failed to initialize GPT on disk");
             close_newpart_dialog();
@@ -100,7 +102,7 @@ void newpart_dialog_confirm() {
 
     Montauk::GptAddParams params;
     montauk::memset(&params, 0, sizeof(params));
-    params.blockDev = dt.selected_disk;
+    params.blockDev = selected_block_dev();
     params.startLba = 0;
     params.endLba = 0;
     params.typeGuid.Data1 = 0xEBD0A0A2;