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Bug Fix...
Description:
The previous bug was in the _free function as well
Solution:
Used the correct structure
Platforms tested:
Modi4
Misc. update:
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Bug Fix
Description:
Was using the wrong pointer into a structure...
Solution:
Used the correct pointer to get the file_id...
Platforms tested:
Modi4
Misc. update:
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Update & Bug Fix
Description:
The "free" protocol was missing. Added that to the server side.
When doing a "create" of a file (with no other data structures
created), the freespace in the file wasn't being reclaimed.
Solution:
After adding the free protocol, we put the burden of running through
the FD_free function on the SAP instead of each client.
Platforms tested:
Linux
Misc. update:
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Bug Fix & Update
Description:
FPHDF5 was creating files which didn't have the EOA field in the
superblock set correctly. It turns out that the SAP was keeping this
information to itself instead of giving it to the client processes.
Naughty SAP!
Solution:
Have the SAP send this information back to the clients so that they
can update the superblock as necessary. This now creates a file (with
just the root group) that looks correct! Only problem is that there's
extra file space being allocated. Also, at program termination,
there's an infinite loop...
Platforms tested:
H5committests (run by hand on burrwhite, arabica, and modi4)
Misc. update:
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Bug fix and Update
Description:
From Quincey's comments on the code I checked in last night:
- In H5F_close call, the "private" processes should call the
H5F_flush with the "CLEAR_ONLY" flag.
- There's no need for a special case for FPHDF5 in the
FD_real_alloc function since FPHDF5 doesn't define an alloc
function.
- The return type of H5Pset_fapl_fphdf5 should be herr_t instead
of hid_t. I don't know how it got that way in the first place.
- The variable names for MPI types and the structure typedefs
should be switched: H5FP_request/H5FP_request_t to
H5FP_request_t/H5FP_request and so on.
- In the H5FP.c module, I was commiting the H5FP_request MPI
datatype but using the wrong offset field...
Platforms tested:
Linux...will test on others, but these are mostly FPHDF5 changes.
Misc. update:
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Why not?
Description:
Lots of changes. This is basically a "commit because there are a lot
of changes" commit.
The server now acts more like a metadata caching server. The dumping
mechanism finally works (I think). At least in the test I did it
seemed to write things back. There's a new MPI TAG to use
(H5FP_TAG_DUMP) when dumping things. Changed a lot of the functions
from passing a structure around to just passing a pointer to that
structure. I have no clue why I did it the previous way...
Um...And more synchronization stuff between the client and server.
The protocol between the two was being broke in a couple of places.
We're getting closer!
Platforms tested:
Linux (probably Modi4 too)
Misc. update:
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Update
Description:
Big change to the H5FD.c module:
- Split apart H5FD_alloc and H5FD_free. H5FD_alloc was huge and
H5FD_free had a freeing of the freelist part which I needed to
call from the SAP.
- Added support for FPHDF5. If it's a client, then it sends the
allocation or free request to the SAP. The SAP will call the
same code, but it'll actually do the allocation/freeing in that
case.
Platforms tested:
Linux & Modi4
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Update
Description:
Added support for the allocation and freeing of space in the file.
This information is kept on the Server.
Platforms tested:
Linux & Modi4
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Update
Description:
Added a "metadata flush" function which allows the clients to force a
dump of the metadata from the SAP. This should be done before closing
the file.
Modified the information stored on an "open" of the file. The
filename is unnecessary, so I got rid of it.
More integration with the File Driver code: Passing in a data xfer
property list.
Platforms tested:
Linux
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Update
Description:
Removed some obsolete fields - such as the AC_subst_t object ID -
which isn't needed. Fixed so that there are fewer global variables.
There are still some left, however. Modified the client and server
code so that it handles read requests better. There were some flaws
in how this was done before (it was calling H5FD_read() instead of
just returning the status that it couldn't find the metadata in the
cache).
Platforms tested:
Linux
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Update
Description:
H5FP.c, H5FPclient.c, H5FPprivate.h, H5FPserver.c:
Update. More progression towards the SAP as metadata cache. It
only lacks the ability to take care of metadata allocations.
H5FDfphdf5.[ch]:
Start of a new driver for FPHDF5. Not fully implemented just
yet...
Platforms tested:
Linux
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Update
Description:
Changes:
- Added support for the server dumping metadata writes to a
client.
- Some of the code wasn't handling allocated buffers correctly
(freeing twice).
- Modified server so that it handles metadata only.
Platforms tested:
Linux
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Update
Description:
This is the first conversion of the FPHDF5 code to be a metadata
cache. There's an extra error message. I rewrote the sync/change code
to be read metadata/write metadata instead.
I still need to hook these changes into the HDF5 code so that it
looks at the SAP first before checking the file for metadata.
Platforms tested:
Linux
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Code cleanup/new feature.
Description:
Split FUNC_LEAVE into API and non-API specific versions. This allows a
solution to compiling this branch with C++, as well as reducing the size
of the binaries produced.
Platforms tested:
FreeBSD 4.7 (sleipnir) w/serial, parallel (including MPE) & thread-safe
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Update
Description:
A few generic changes to the FPHDF5 code. Some error messages
reworked a bit. Cleaning up in case of failure improved in some
cases. Added another field to the synchronization messages...
Platforms tested:
Linux
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FPHDF5 Fixups
Description:
- Stopped using API calls in the H5FPclient code. It now uses
internal library calls.
- Removed some FIXME comments because they've been fixed.
- Small fix for an enum starting at 37 for no reason :-)
Platforms tested:
Eirene (only affects FPHDF5, so no need to test 3 platforms just yet).
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Update
Description:
Added code which performs an update when there's a dataset creation.
Commented on some FIXMEs which were in the code.
Platforms tested:
Eirene PP
Arabica Fortran
Modi4 PP Fortran
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New Feature. Support for new FPHDF5 Feature
Description:
More support for the FPHDF5 feature. This splits the H5D_create
function into separate parts which update the metadata cache. It was
necessary to split apart the H5O_create function to do a similar
thing since it would allocate real space on the hard disk.
I'm checking this up now so that I don't get too far away from what
the CVS repository has and so that others may look at the code and
retch^H^H^H^H^Hmarvel at it. If there are any comments, send them my
way.
There is one outstanding issue, though. I need to use non-API
functions in the FPHDF5 stuff. I'm using some APIs right now and
should migrate to using others. At the moment, I'm putting that on
the back burner until I'm more along in the implementation.
Platforms tested:
Arabica (C++)
Eirene (Parallel)
Modi4 (Parallel)
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Code cleanup
Description:
Add more comments and clean up small bits of the FPH5 code.
Platforms tested:
FreeBSD 4.7 (sleipnir), changes too minor to affect other platforms.
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Oops
Description:
The H5FPprivate.h file was being #included even if PARALLEL was
turned off.
Solution:
put the #include of the H5FPprivate.h file within the #ifdef block so
that it doesn't get included if H5_HAVE_FPHDF5 isn't defined.
Platforms tested:
Linux...
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Feature Add
Description:
New files for the Flexible Parallel HDF5 stuff.
H5FP.c - Module housing the APIs to FPHDF5
H5FPclient.c - Module housing the internal client APIs
H5FPserver.c - Module housing the internal server APIs
H5FPpublic.h - Header for public APIs
H5FPprivate.h - Header for private APIs
H5Ofphdf5.c - Way of serializing FPHDF5 information to and from the
SAP
H5Oplist.c - Way of serializing a generic property list.
Solution:
[details about the changes, algorithm, etc...]
[Please as detail as you can since your own explanation is
better than others guessing it from the code.]
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}?
[If no, why not?]
Other platforms/configurations tested?
Misc. update:
Update MANIFEST if you add or remove any file.
Update release_docs/RELEASE for bug fixes, new features, etc.
Update applicable document files too.
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