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Merge revisions 15130:15210 from trunk into metadata journaling branch
Tested on:
FreeBSD/32 6.2 (duty) in debug mode
FreeBSD/64 6.2 (liberty) w/C++ & FORTRAN, in debug mode
Linux/32 2.6 (kagiso) w/PGI compilers, w/C++ & FORTRAN, w/threadsafe,
in debug mode
Linux/64-amd64 2.6 (smirom) w/default API=1.6.x, w/C++ & FORTRAN,
in production mode
Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN,
in production mode
Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN,
w/szip filter, in production mode
Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in production mode
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Switch v1 B-tree nodes from using previous cache to use the new journaling
cache code. This is a major switch for the cache callbacks.
Switched the metadata caching code from having a pointer to the file it's
in to receiving a pointer to the file, when needed. This was necessary in
order to avoid crashing when two files IDs were open on the same underlying
file and one of those files was closed with cache entries using the file
pointers. Also took out the check in the caching code for reading off the
end of the file, which didn't play nicely with the multi-file VFD.
Switching the cache from having a pointer internally to requiring one
externally meant tweaking almost all the test code. :-/
Added correct exit codes to cache2 tests that didn't have them already,
so the 'make check' will stop when they fail.
Use the path to the h5diff in this build in the tools/h5recover testing
script, since we can't guarantee a user has HDF5 already installed.
Assorted minor tweaks to get everything to compile more cleanly and pass
all the tests (on my Mac :-).
Tested on:
Mac OS X (10.5.2) w/C++
(more testing coming up shortly, I just didn't have my "rsync testbed" set
up for this branch when I started making changes to the code)
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copyright notice.
Tested platform:
Kagiso only since it is only a comment block change. If it works in one
machine, it should work in all, I hope. Still need to check the parallel
build on copper.
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New feature
Description:
Add in baseline "object copy" code from Peter [in the form of a new API
routine: H5Gcopy()]. There's still some work to do (like handling variable-
length datatypes and possibly support for references) and it hasn't been tested
on mounted files yet, but the core functionality is there and working
correctly.
I've also got a set of patches to update the 1.6 branch with tweaks to
keep the branches mostly in sync, but Elena will kill me if I import them
before the 1.6.5 release is out... :-)
Platforms tested:
FreeBSD 4.11 (sleipnir)
h5committested
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Code cleanup
Description:
Clean up some compiler warnings
Platforms tested:
FreeBSD 4.11 (sleipnir)
h5committest
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Code optimization
Description:
Refactor B-tree code to extract all common information for a B-tree into a
shared structure that is pointed to by all the nodes in tree (instead of being
included in each node).
Also re-order B-tree node comparison checks for chunked datasets to
check for >= the upper node first, since the comparison is a bit "heavy" and
this check is more likely to succeed when you are adding records to the
dataset.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
(also, recent h5dump commits have broken testing...)
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Bug fix
Description:
The "shared" raw B-tree node can get freed before all the B-tree nodes
had been flushed out to disk and released by the cache.
Solution:
Implement a simple reference counting wrapper for objects in the library
and use it to hold the shared raw B-tree nodes so they aren't freed before all
references to them in memory are released.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir)
IRIX64 6.5 (modei4)
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Code optimization
Description:
Since the raw B-tree nodes are the same size and only used when reading in
or writing out a B-tree node, move raw B-tree node buffer from being per node
to a single node that is shared among all B-tree nodes of a particular tree,
freeing up a lot of space and eliminating lots of memory copies, etc.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
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Code cleanup
Description:
Some code cleanups before starting serious optimization efforts.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Solaris 2.7 (arabica)
Too minor to require h5committest
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Code cleanup
Description:
Tail end of B-tree 'K' value conversion to unsigned ints.
Also, lots of misc. code cleanups suggested by lint tool
Platforms tested:
FreeBSD 4.8 (sleipnir)
h5committest
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Code cleanup
Description:
Limit the scope on more function prototypes/macros/typedefs.
Platforms tested:
FreeBSD 4.8 (sleipnir)
h5committest not necessary.
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