.

wcfs/wcfs.go

@@ -463,12 +463,17 @@ func (bfdata *BigFileData) GetAttr(out *fuse.Attr, _ nodefs.File, fctx *fuse.Con
 }
 
 
-// /bigfile/<bigfileX>/head/data -> Read serves read.
-func (bf *BigFileData) Read(_ nodefs.File, dest []byte, off int64, _ *fuse.Context) (fuse.ReadResult, fuse.Status) {
+// /bigfile/<bigfileX>/head/data -> Read serves reading bigfile data.
+func (bfdata *BigFileData) Read(_ nodefs.File, dest []byte, off int64, fctx *fuse.Context) (fuse.ReadResult, fuse.Status) {
 	// XXX locking
 
-	panic("TODO")
-	//bf.zbf.blksize
+	bf := bfdata.bigfile
+
+	// XXX better ctx = transaction.PutIntoContext(ctx, txn)
+	ctx, cancel := xcontext.Merge(asctx(fctx), bf.txnCtx)
+	defer cancel()
+
+	blksize := bf.zbf.blksize
 }