.

bigfile/file_zodb.cpp

@@ -39,7 +39,7 @@ static void* zfile_mmap_setup_read(VMA *vma, BigFile *file, blk_t blk, size_t bl
 
     tie(mmap, err) = fileh->mmap(blk, blklen, vma);
     if (err != nil)
-        panic("TODO");  // XXX
+        panic(v(err));  // XXX
 
     return (void*)vma->addr_start;  // XXX (?) kill - we set vma->addr_*
 }

wcfs/client/wcfs.cpp

@@ -170,7 +170,7 @@ error _Conn::_pinner(context::Context ctx) {
     error err = wconn.__pinner(ctx);
 
     // if pinner fails, wcfs will kill us.
-    // log pinner error so the error is not hidden.
+    // log pinner error so that the error is not hidden.
     // print to stderr as well as by default log does not print to there.
     // XXX also catch panic/exc ?
     if (!(err == nil || errors::Is(err, context::canceled))) { // canceled = .close asks pinner to stop
@@ -242,6 +242,7 @@ error _Conn::__pin1(PinReq *req) {
     FileH f;
     bool  ok;
     wconn._filehmu.lock();
+    // XXX +incref f, so that simultaneous close does not remove f from wconn.filehTab ?
     tie(f, ok) = wconn._filehtab.get_(req->foid);
     if (!ok) {
         wconn._filehmu.unlock();