diff --git a/cpukit/libcsupport/ChangeLog b/cpukit/libcsupport/ChangeLog
index d88e9059cf..1de58634a4 100644
--- a/cpukit/libcsupport/ChangeLog
+++ b/cpukit/libcsupport/ChangeLog
@@ -1,3 +1,9 @@
+2002-09-14	Joel Sherrill <joel@OARcorp.com>
+
+	* include/rtems/libio.h: Change rtems_filesystem_read_t and
+	rtems_filesystem_write_t to return ssize_t to match read(2)
+	and write(2) respectively.
+
 2002-09-14	Eric Norum <eric.norum@usask.ca>
 
 	* src/readdir_r.c: New file.
diff --git a/cpukit/libcsupport/include/rtems/libio.h b/cpukit/libcsupport/include/rtems/libio.h
index d95e5c375e..a3a21f23d8 100644
--- a/cpukit/libcsupport/include/rtems/libio.h
+++ b/cpukit/libcsupport/include/rtems/libio.h
@@ -56,13 +56,13 @@ typedef int (*rtems_filesystem_close_t)(
   rtems_libio_t *iop
 );
 
-typedef int (*rtems_filesystem_read_t)(
+typedef ssize_t (*rtems_filesystem_read_t)(
   rtems_libio_t *iop,
   void          *buffer,
   unsigned32     count
 );
 
-typedef int (*rtems_filesystem_write_t)(
+typedef ssize_t (*rtems_filesystem_write_t)(
   rtems_libio_t *iop,
   const void    *buffer,
   unsigned32    count