Index: libs/libmythtv/RingBuffer.cpp
===================================================================
--- libs/libmythtv/RingBuffer.cpp       (revision 13081)
+++ libs/libmythtv/RingBuffer.cpp       (working copy)
@@ -230,6 +230,9 @@
                 else
                 {
                     lseek(fd2, 0, SEEK_SET);
+#ifdef POSIX_FADV_SEQUENTIAL
+                    posix_fadvise(fd2, 0, 0, POSIX_FADV_SEQUENTIAL);
+#endif
                     openAttempts = 0;
                     break;
                 }