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Fix for HDFFV-10509

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This commit is contained in:
Jordan Henderson 2018-07-03 21:09:19 -05:00
parent 6190641722
commit ef10aa6211
1 changed files with 15 additions and 2 deletions
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17
src/H5Dchunk.c
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@ -2933,8 +2933,21 @@ H5D__chunk_lookup(const H5D_t *dset, const hsize_t *scaled,
H5F_set_coll_md_read(idx_info.f, temp_cmr);
#endif /* H5_HAVE_PARALLEL */
/* Cache the information retrieved */
H5D__chunk_cinfo_cache_update(&dset->shared->cache.chunk.last, udata);
/*
* Cache the information retrieved.
*
* Note that if we are writing to the dataset in parallel and filters
* are involved, we skip caching this information as it is highly likely
* that the chunk information will be invalidated as a result of the
* filter operation (e.g. the chunk gets re-allocated to a different
* address in the file and/or gets re-allocated with a different size).
* If we were to cache this information, subsequent reads/writes would
* retrieve the invalid information and cause a variety of issues.
*/
#ifdef H5_HAVE_PARALLEL
if ( !((H5F_INTENT(dset->oloc.file) & H5F_ACC_RDWR) && dset->shared->dcpl_cache.pline.nused) )
#endif
H5D__chunk_cinfo_cache_update(&dset->shared->cache.chunk.last, udata);
} /* end if */
} /* end else */