[GitHub] [cassandra] dcapwell commented on a diff in pull request #2299: CASSANDRA-18485: CEP-15: (C*) Enhance in-memory FileSystem to work with mmap and support tests to add custom logic

["dcapwell (via GitHub)" <gi...@apache.org>]

dcapwell commented on code in PR #2299:
URL: https://github.com/apache/cassandra/pull/2299#discussion_r1179736117


##########
src/java/org/apache/cassandra/utils/ByteBufferUtil.java:
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@@ -866,4 +867,15 @@ private static boolean startsWith(ByteBuffer src, ByteBuffer prefix, int offset)
 
         return true;
     }
+
+    public static void readFully(FileChannel channel, ByteBuffer dst, long position) throws IOException

Review Comment:
   I feel that this has to exist somewhere....



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