[svn-r11896] Purpose:

1) Add parallel test for metadata cache

2) Split serial test for metadata cache into two parts

3) Fix bug in which cache was flushed needlessly when the
   cache wasn't full.

4) Performance improvements

Description:

See above.

Solution:

See above.

Platforms tested:

h5committest


Misc. update:

MANIFEST

@@ -645,6 +645,9 @@
 ./test/blocktrack.c
 ./test/btree2.c
 ./test/cache.c
+./test/cache_api.c
+./test/cache_common.c
+./test/cache_common.h
 ./test/cmpd_dset.c
 ./test/dangle.c
 ./test/deflate.h5
@@ -749,6 +752,7 @@
 
 ./testpar/Makefile.am
 ./testpar/Makefile.in
+./testpar/t_cache.c
 ./testpar/t_dset.c
 ./testpar/t_file.c
 ./testpar/t_fphdf5.c