[svn-r6387] Purpose:

    Bug Fix

Description:
    Metadata cache in parallel I/O can cause hangs in applications which
    perform independent I/O on chunked datasets, because the metadata cache
    can attempt to flush out dirty metadata from only a single process, instead
    of collectively from all processes.

Solution:
    Pass a dataset transfer property list down from every API function which
    could possibly trigger metadata I/O.

    Then, split the metadata cache into two sets of entries to allow dirty
    metadata to be set aside when a hash table collision occurs during
    independent I/O.

Platforms tested:
    Tested h5committest {arabica (fortran), eirene (fortran, C++)
        modi4 (parallel, fortran)}

    FreeBSD 4.7 (sleipnir) serial & parallel

Misc. update:
    Updated release_docs/RELEASE

1 files changed, 7 insertions, 7 deletions

diff --git a/src/H5HLprivate.h b/src/H5HLprivate.h
index 3aa630e..70e9d71 100644
--- a/src/H5HLprivate.h
+++ b/src/H5HLprivate.h
@@ -50,15 +50,15 @@
 /*
  * Library prototypes...
  */
-H5_DLL herr_t H5HL_create(H5F_t *f, size_t size_hint, haddr_t *addr/*out*/);
-H5_DLL void *H5HL_read(H5F_t *f, haddr_t addr, size_t offset, size_t size,
+H5_DLL herr_t H5HL_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, haddr_t *addr/*out*/);
+H5_DLL void *H5HL_read(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size,
 			void *buf);
-H5_DLL const void *H5HL_peek(H5F_t *f, haddr_t addr, size_t offset);
-H5_DLL size_t H5HL_insert(H5F_t *f, haddr_t addr, size_t size,
+H5_DLL const void *H5HL_peek(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset);
+H5_DLL size_t H5HL_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t size,
 			   const void *buf);
-H5_DLL herr_t H5HL_write(H5F_t *f, haddr_t addr, size_t offset, size_t size,
+H5_DLL herr_t H5HL_write(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size,
 			  const void *buf);
-H5_DLL herr_t H5HL_remove(H5F_t *f, haddr_t addr, size_t offset, size_t size);
-H5_DLL herr_t H5HL_debug(H5F_t *f, haddr_t addr, FILE * stream, int indent,
+H5_DLL herr_t H5HL_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size);
+H5_DLL herr_t H5HL_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent,
 			  int fwidth);
 #endif