From d4b398e5421b38bae8fbb0336dd873789abbaccc Mon Sep 17 00:00:00 2001 From: Quincey Koziol Date: Fri, 10 May 2002 13:39:32 -0500 Subject: [svn-r5394] Purpose: Document new VFL flush parameter. --- doc/html/ADGuide/Changes.html | 6 ++++++ release_docs/RELEASE.txt | 8 +++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/doc/html/ADGuide/Changes.html b/doc/html/ADGuide/Changes.html index fc5a8c6..11ae05e 100755 --- a/doc/html/ADGuide/Changes.html +++ b/doc/html/ADGuide/Changes.html @@ -93,6 +93,12 @@ H5function6 The following functions have changed slightly.
+
VFL 'flush' function +
Added an 'hbool_t closing' parameter to the parameters for + VFL 'flush' functions. When this parameter is set to non-zero, + it indicates that the file will be closed immediately after + the flush operation and the VFL driver may avoid syncronization + operations that are duplicated in the 'close' function.
H5function
Description of change
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 7f98eb5..bb4a1de 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -162,8 +162,14 @@ Documentation New Features ============ + * Modified VFL file driver 'flush' function to accept an extra parameter, + which indicates that the file will be immediately closed. This may allow + VFL drivers to bypass syncronizations that are also performed when the + file is closed. Specifically, the MPI-I/O VFL driver bypasses the + MPI_File_sync() call, since MPI_File_close performs file syncronization + also. QAK - 2002/05/10 * Allow the metadata writes to be shared among all processes, easing the - burden on process 0. + burden on process 0. QAK - 2002/05/10 * New functions H5Glink2 and H5Gmove2 were added to allow link and move to be in different locations in the same file. The old functions H5Glink and H5Gmove remain valid. SLU - 2002/04/26 -- cgit v0.12