diff options
Diffstat (limited to 'src/H5Dmpio.c')
| -rw-r--r-- | src/H5Dmpio.c | 197 |
1 files changed, 133 insertions, 64 deletions
diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c index 2c06800..2a6c05f 100644 --- a/src/H5Dmpio.c +++ b/src/H5Dmpio.c @@ -37,7 +37,6 @@ #include "H5Eprivate.h" /* Error handling */ #include "H5Fprivate.h" /* File access */ #include "H5FDprivate.h" /* File drivers */ -#include "H5FDmpi.h" /* MPI-based file drivers */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5Oprivate.h" /* Object headers */ @@ -89,10 +88,20 @@ /******************/ /* Combine chunk address and chunk info into a struct for better performance. */ typedef struct H5D_chunk_addr_info_t { - haddr_t chunk_addr; - H5D_chunk_info_t chunk_info; + haddr_t chunk_addr; + H5D_chunk_info_t chunk_info; } H5D_chunk_addr_info_t; +/* Rank 0 Bcast values */ +typedef enum H5D_mpio_no_rank0_bcast_cause_t { + H5D_MPIO_RANK0_BCAST = 0x00, + H5D_MPIO_RANK0_NOT_H5S_ALL = 0x01, + H5D_MPIO_RANK0_NOT_CONTIGUOUS = 0x02, + H5D_MPIO_RANK0_NOT_FIXED_SIZE = 0x04, + H5D_MPIO_RANK0_GREATER_THAN_2GB = 0x08 +} H5D_mpio_no_rank0_bcast_cause_t; + + /* * Information about a single chunk when performing collective filtered I/O. All * of the fields of one of these structs are initialized at the start of collective @@ -281,8 +290,10 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space, const H5S_t *mem_space, const H5D_type_info_t *type_info) { H5FD_mpio_xfer_t io_xfer_mode; /* MPI I/O transfer mode */ - unsigned local_cause = 0; /* Local reason(s) for breaking collective mode */ - unsigned global_cause = 0; /* Global reason(s) for breaking collective mode */ + unsigned local_cause[2] = {0,0}; /* [0] Local reason(s) for breaking collective mode */ + /* [1] Flag if dataset is both: H5S_ALL and small */ + unsigned global_cause[2] = {0,0}; /* Global reason(s) for breaking collective mode */ + htri_t is_vl_storage; /* Whether the dataset's datatype is stored in a variable-length form */ htri_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -296,36 +307,37 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space, /* For independent I/O, get out quickly and don't try to form consensus */ if(H5CX_get_io_xfer_mode(&io_xfer_mode) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get MPI-I/O transfer mode") + /* Set error flag, but keep going */ + local_cause[0] |= H5D_MPIO_ERROR_WHILE_CHECKING_COLLECTIVE_POSSIBLE; if(io_xfer_mode == H5FD_MPIO_INDEPENDENT) - local_cause |= H5D_MPIO_SET_INDEPENDENT; + local_cause[0] |= H5D_MPIO_SET_INDEPENDENT; /* Optimized MPI types flag must be set */ /* (based on 'HDF5_MPI_OPT_TYPES' environment variable) */ if(!H5FD_mpi_opt_types_g) - local_cause |= H5D_MPIO_MPI_OPT_TYPES_ENV_VAR_DISABLED; + local_cause[0] |= H5D_MPIO_MPI_OPT_TYPES_ENV_VAR_DISABLED; /* Don't allow collective operations if datatype conversions need to happen */ if(!type_info->is_conv_noop) - local_cause |= H5D_MPIO_DATATYPE_CONVERSION; + local_cause[0] |= H5D_MPIO_DATATYPE_CONVERSION; /* Don't allow collective operations if data transform operations should occur */ if(!type_info->is_xform_noop) - local_cause |= H5D_MPIO_DATA_TRANSFORMS; + local_cause[0] |= H5D_MPIO_DATA_TRANSFORMS; /* Check whether these are both simple or scalar dataspaces */ if(!((H5S_SIMPLE == H5S_GET_EXTENT_TYPE(mem_space) || H5S_SCALAR == H5S_GET_EXTENT_TYPE(mem_space)) && (H5S_SIMPLE == H5S_GET_EXTENT_TYPE(file_space) || H5S_SCALAR == H5S_GET_EXTENT_TYPE(file_space)))) - local_cause |= H5D_MPIO_NOT_SIMPLE_OR_SCALAR_DATASPACES; + local_cause[0] |= H5D_MPIO_NOT_SIMPLE_OR_SCALAR_DATASPACES; /* Dataset storage must be contiguous or chunked */ if(!(io_info->dset->shared->layout.type == H5D_CONTIGUOUS || io_info->dset->shared->layout.type == H5D_CHUNKED)) - local_cause |= H5D_MPIO_NOT_CONTIGUOUS_OR_CHUNKED_DATASET; + local_cause[0] |= H5D_MPIO_NOT_CONTIGUOUS_OR_CHUNKED_DATASET; /* check if external-file storage is used */ if(io_info->dset->shared->dcpl_cache.efl.nused > 0) - local_cause |= H5D_MPIO_NOT_CONTIGUOUS_OR_CHUNKED_DATASET; + local_cause[0] |= H5D_MPIO_NOT_CONTIGUOUS_OR_CHUNKED_DATASET; /* The handling of memory space is different for chunking and contiguous * storage. For contiguous storage, mem_space and file_space won't change @@ -340,31 +352,84 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space, * is less than 3. The functions needed (MPI_Mprobe and MPI_Imrecv) will * not be available. */ - if (io_info->op_type == H5D_IO_OP_WRITE && - io_info->dset->shared->layout.type == H5D_CHUNKED && - io_info->dset->shared->dcpl_cache.pline.nused > 0) - local_cause |= H5D_MPIO_PARALLEL_FILTERED_WRITES_DISABLED; + if(io_info->op_type == H5D_IO_OP_WRITE && + io_info->dset->shared->layout.type == H5D_CHUNKED && + io_info->dset->shared->dcpl_cache.pline.nused > 0) + local_cause[0] |= H5D_MPIO_PARALLEL_FILTERED_WRITES_DISABLED; #endif + /* Check if we are able to do a MPI_Bcast of the data from one rank + * instead of having all the processes involved in the collective I/O call. + */ + + /* Check to see if the process is reading the entire dataset */ + if(H5S_GET_SELECT_TYPE(file_space) != H5S_SEL_ALL) + local_cause[1] |= H5D_MPIO_RANK0_NOT_H5S_ALL; + /* Only perform this optimization for contigous datasets, currently */ + else if(H5D_CONTIGUOUS != io_info->dset->shared->layout.type) + /* Flag to do a MPI_Bcast of the data from one proc instead of + * having all the processes involved in the collective I/O. + */ + local_cause[1] |= H5D_MPIO_RANK0_NOT_CONTIGUOUS; + else if((is_vl_storage = H5T_is_vl_storage(type_info->dset_type)) < 0) + local_cause[0] |= H5D_MPIO_ERROR_WHILE_CHECKING_COLLECTIVE_POSSIBLE; + else if(is_vl_storage) + local_cause[1] |= H5D_MPIO_RANK0_NOT_FIXED_SIZE; + else { + size_t type_size; /* Size of dataset's datatype */ + + /* Retrieve the size of the dataset's datatype */ + if(0 == (type_size = H5T_GET_SIZE(type_info->dset_type))) + local_cause[0] |= H5D_MPIO_ERROR_WHILE_CHECKING_COLLECTIVE_POSSIBLE; + else { + hssize_t snelmts; /* [Signed] # of elements in dataset's dataspace */ + + /* Retrieve the size of the dataset's datatype */ + if((snelmts = H5S_GET_EXTENT_NPOINTS(file_space)) < 0) + local_cause[0] |= H5D_MPIO_ERROR_WHILE_CHECKING_COLLECTIVE_POSSIBLE; + else { + hsize_t dset_size; + + /* Determine dataset size */ + dset_size = ((hsize_t)snelmts) * type_size; + + /* If the size of the dataset is less than 2GB then do an MPI_Bcast + * of the data from one process instead of having all the processes + * involved in the collective I/O. + */ + if(dset_size > ((hsize_t)(2.0F * H5_GB) - 1)) + local_cause[1] |= H5D_MPIO_RANK0_GREATER_THAN_2GB; + } /* end else */ + } /* end else */ + } /* end else */ + /* Check for independent I/O */ - if(local_cause & H5D_MPIO_SET_INDEPENDENT) - global_cause = local_cause; + if(local_cause[0] & H5D_MPIO_SET_INDEPENDENT) + global_cause[0] = local_cause[0]; else { int mpi_code; /* MPI error code */ /* Form consensus opinion among all processes about whether to perform * collective I/O */ - if(MPI_SUCCESS != (mpi_code = MPI_Allreduce(&local_cause, &global_cause, 1, MPI_UNSIGNED, MPI_BOR, io_info->comm))) + if(MPI_SUCCESS != (mpi_code = MPI_Allreduce(&local_cause, &global_cause, 2, MPI_UNSIGNED, MPI_BOR, io_info->comm))) HMPI_GOTO_ERROR(FAIL, "MPI_Allreduce failed", mpi_code) } /* end else */ /* Set the local & global values of no-collective-cause in the API context */ - H5CX_set_mpio_local_no_coll_cause(local_cause); - H5CX_set_mpio_global_no_coll_cause(global_cause); + H5CX_set_mpio_local_no_coll_cause(local_cause[0]); + H5CX_set_mpio_global_no_coll_cause(global_cause[0]); + + /* Set read-with-rank0-and-bcast flag if possible */ + if(global_cause[0] == 0 && global_cause[1] == 0) { + H5CX_set_mpio_rank0_bcast(TRUE); +#ifdef H5_HAVE_INSTRUMENTED_LIBRARY + H5CX_test_set_mpio_coll_rank0_bcast(TRUE); +#endif /* H5_HAVE_INSTRUMENTED_LIBRARY */ + } /* end if */ /* Set the return value, based on the global cause */ - ret_value = global_cause > 0 ? FALSE : TRUE; + ret_value = global_cause[0] > 0 ? FALSE : TRUE; done: FUNC_LEAVE_NOAPI(ret_value) @@ -735,6 +800,10 @@ H5D__chunk_collective_io(H5D_io_info_t *io_info, const H5D_type_info_t *type_inf HDassert(type_info); HDassert(fm); + /* Disable collective metadata reads for chunked dataset I/O operations + * in order to prevent potential hangs */ + H5CX_set_coll_metadata_read(FALSE); + /* Check the optional property list for the collective chunk IO optimization option */ if(H5CX_get_mpio_chunk_opt_mode(&chunk_opt_mode) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "couldn't get chunk optimization option") @@ -2248,7 +2317,7 @@ if(H5DEBUG(D)) /* Broadcasting the MPI_IO option info. and chunk address info. */ if(MPI_SUCCESS != (mpi_code = MPI_Bcast(total_chunk_addr_array, (int)(sizeof(haddr_t) * fm->layout->u.chunk.nchunks), MPI_BYTE, (int)0, io_info->comm))) - HMPI_GOTO_ERROR(FAIL, "MPI_BCast failed", mpi_code) + HMPI_GOTO_ERROR(FAIL, "MPI_BCast failed", mpi_code) } /* end if */ /* Start at first node in chunk skip list */ @@ -2772,45 +2841,45 @@ H5D__chunk_redistribute_shared_chunks(const H5D_io_info_t *io_info, const H5D_ty size_t mod_data_size; /* Look up the chunk and get its file and memory dataspaces */ - if (NULL == (chunk_info = (H5D_chunk_info_t *) H5SL_search(fm->sel_chunks, &chunk_entry->index))) + if(NULL == (chunk_info = (H5D_chunk_info_t *) H5SL_search(fm->sel_chunks, &chunk_entry->index))) HGOTO_ERROR(H5E_DATASPACE, H5E_NOTFOUND, FAIL, "can't locate chunk in skip list") /* Determine size of serialized chunk file dataspace, plus the size of * the data being written */ - if (H5S_encode(chunk_info->fspace, &mod_data_p, &mod_data_size) < 0) + if(H5S_encode(chunk_info->fspace, &mod_data_p, &mod_data_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "unable to get encoded dataspace size") - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") mod_data_size += (size_t) iter_nelmts * type_info->src_type_size; - if (NULL == (mod_data[num_send_requests] = (unsigned char *) H5MM_malloc(mod_data_size))) + if(NULL == (mod_data[num_send_requests] = (unsigned char *) H5MM_malloc(mod_data_size))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "couldn't allocate chunk modification send buffer") /* Serialize the chunk's file dataspace into the buffer */ mod_data_p = mod_data[num_send_requests]; - if (H5S_encode(chunk_info->fspace, &mod_data_p, &mod_data_size) < 0) + if(H5S_encode(chunk_info->fspace, &mod_data_p, &mod_data_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "unable to encode dataspace") /* Initialize iterator for memory selection */ - if (H5S_select_iter_init(mem_iter, chunk_info->mspace, type_info->src_type_size) < 0) + if(H5S_select_iter_init(mem_iter, chunk_info->mspace, type_info->src_type_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize memory selection information") mem_iter_init = TRUE; /* Collect the modification data into the buffer */ - if(!H5D__gather_mem(io_info->u.wbuf, chunk_info->mspace, mem_iter, (size_t)iter_nelmts, mod_data_p)) + if(0 == H5D__gather_mem(io_info->u.wbuf, chunk_info->mspace, mem_iter, (size_t)iter_nelmts, mod_data_p)) HGOTO_ERROR(H5E_IO, H5E_CANTGATHER, FAIL, "couldn't gather from write buffer") /* Send modification data to new owner */ H5_CHECK_OVERFLOW(mod_data_size, size_t, int) H5_CHECK_OVERFLOW(chunk_entry->index, hsize_t, int) - if (MPI_SUCCESS != (mpi_code = MPI_Isend(mod_data[num_send_requests], (int) mod_data_size, MPI_BYTE, + if(MPI_SUCCESS != (mpi_code = MPI_Isend(mod_data[num_send_requests], (int) mod_data_size, MPI_BYTE, chunk_entry->owners.new_owner, (int) chunk_entry->index, io_info->comm, &send_requests[num_send_requests]))) HMPI_GOTO_ERROR(FAIL, "MPI_Isend failed", mpi_code) - if (mem_iter_init && H5S_SELECT_ITER_RELEASE(mem_iter) < 0) + if(mem_iter_init && H5S_SELECT_ITER_RELEASE(mem_iter) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "couldn't release memory selection iterator") mem_iter_init = FALSE; @@ -2979,11 +3048,11 @@ H5D__mpio_filtered_collective_write_type(H5D_filtered_collective_io_info_t *chun } /* end if */ done: - if (write_buf_array) + if(write_buf_array) H5MM_free(write_buf_array); - if (file_offset_array) + if(file_offset_array) H5MM_free(file_offset_array); - if (length_array) + if(length_array) H5MM_free(length_array); FUNC_LEAVE_NOAPI(ret_value) @@ -3069,8 +3138,8 @@ H5D__filtered_collective_chunk_entry_io(H5D_filtered_collective_io_info_t *chunk chunk_entry->chunk_states.new_chunk.length = chunk_entry->chunk_states.chunk_current.length; /* Currently, these chunk reads are done independently and will likely - * cause issues with collective metadata reads enabled. In the future, - * this should be refactored to use collective chunk reads - JTH */ + * cause issues with collective metadata reads enabled. In the future, + * this should be refactored to use collective chunk reads - JTH */ /* Get the original state of parallel I/O transfer mode */ if(H5CX_get_io_xfer_mode(&xfer_mode) < 0) @@ -3101,7 +3170,7 @@ H5D__filtered_collective_chunk_entry_io(H5D_filtered_collective_io_info_t *chunk if (NULL == (mem_iter = (H5S_sel_iter_t *) H5MM_malloc(sizeof(H5S_sel_iter_t)))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "couldn't allocate memory iterator") - if (H5S_select_iter_init(mem_iter, chunk_info->mspace, type_info->src_type_size) < 0) + if(H5S_select_iter_init(mem_iter, chunk_info->mspace, type_info->src_type_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize memory selection information") mem_iter_init = TRUE; @@ -3111,53 +3180,53 @@ H5D__filtered_collective_chunk_entry_io(H5D_filtered_collective_io_info_t *chunk * from the current process, then apply any modifications from other processes. Finally, * filter the newly-updated chunk. */ - switch (io_info->op_type) { + switch(io_info->op_type) { case H5D_IO_OP_READ: - if (NULL == (file_iter = (H5S_sel_iter_t *) H5MM_malloc(sizeof(H5S_sel_iter_t)))) + if(NULL == (file_iter = (H5S_sel_iter_t *) H5MM_malloc(sizeof(H5S_sel_iter_t)))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "couldn't allocate file iterator") - if (H5S_select_iter_init(file_iter, chunk_info->fspace, type_info->src_type_size) < 0) + if(H5S_select_iter_init(file_iter, chunk_info->fspace, type_info->src_type_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize memory selection information") file_iter_init = TRUE; - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->fspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->fspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") - if (NULL == (tmp_gath_buf = H5MM_malloc((hsize_t) iter_nelmts * type_info->src_type_size))) + if(NULL == (tmp_gath_buf = H5MM_malloc((hsize_t) iter_nelmts * type_info->src_type_size))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "couldn't allocate temporary gather buffer") - if (!H5D__gather_mem(chunk_entry->buf, chunk_info->fspace, file_iter, (size_t) iter_nelmts, tmp_gath_buf)) + if(!H5D__gather_mem(chunk_entry->buf, chunk_info->fspace, file_iter, (size_t) iter_nelmts, tmp_gath_buf)) HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "couldn't gather from chunk buffer") - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") - if (H5D__scatter_mem(tmp_gath_buf, chunk_info->mspace, mem_iter, (size_t) iter_nelmts, io_info->u.rbuf) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "couldn't scatter to read buffer") + if(H5D__scatter_mem(tmp_gath_buf, chunk_info->mspace, mem_iter, (size_t) iter_nelmts, io_info->u.rbuf) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "couldn't scatter to read buffer") break; case H5D_IO_OP_WRITE: - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->mspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") - if (NULL == (tmp_gath_buf = H5MM_malloc((hsize_t) iter_nelmts * type_info->src_type_size))) + if(NULL == (tmp_gath_buf = H5MM_malloc((hsize_t) iter_nelmts * type_info->src_type_size))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "couldn't allocate temporary gather buffer") /* Gather modification data from the application write buffer into a temporary buffer */ - if(!H5D__gather_mem(io_info->u.wbuf, chunk_info->mspace, mem_iter, (size_t) iter_nelmts, tmp_gath_buf)) + if(0 == H5D__gather_mem(io_info->u.wbuf, chunk_info->mspace, mem_iter, (size_t) iter_nelmts, tmp_gath_buf)) HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "couldn't gather from write buffer") - if (H5S_SELECT_ITER_RELEASE(mem_iter) < 0) + if(H5S_SELECT_ITER_RELEASE(mem_iter) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "couldn't release selection iterator") mem_iter_init = FALSE; /* Initialize iterator for file selection */ - if (H5S_select_iter_init(mem_iter, chunk_info->fspace, type_info->dst_type_size) < 0) + if(H5S_select_iter_init(mem_iter, chunk_info->fspace, type_info->dst_type_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize file selection information") mem_iter_init = TRUE; - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->fspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(chunk_info->fspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") /* Scatter the owner's modification data into the chunk data buffer according to @@ -3166,44 +3235,44 @@ H5D__filtered_collective_chunk_entry_io(H5D_filtered_collective_io_info_t *chunk if(H5D__scatter_mem(tmp_gath_buf, chunk_info->fspace, mem_iter, (size_t) iter_nelmts, chunk_entry->buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "couldn't scatter to chunk data buffer") - if (H5S_SELECT_ITER_RELEASE(mem_iter) < 0) + if(H5S_SELECT_ITER_RELEASE(mem_iter) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "couldn't release selection iterator") mem_iter_init = FALSE; - if (MPI_SUCCESS != (mpi_code = MPI_Waitall(chunk_entry->async_info.num_receive_requests, + if(MPI_SUCCESS != (mpi_code = MPI_Waitall(chunk_entry->async_info.num_receive_requests, chunk_entry->async_info.receive_requests_array, MPI_STATUSES_IGNORE))) HMPI_GOTO_ERROR(FAIL, "MPI_Waitall failed", mpi_code) /* For each asynchronous receive call previously posted, receive the chunk modification * buffer from another rank and update the chunk data */ - for (i = 0; i < (size_t) chunk_entry->async_info.num_receive_requests; i++) { + for(i = 0; i < (size_t) chunk_entry->async_info.num_receive_requests; i++) { const unsigned char *mod_data_p; /* Decode the process' chunk file dataspace */ mod_data_p = chunk_entry->async_info.receive_buffer_array[i]; - if (NULL == (dataspace = H5S_decode(&mod_data_p))) + if(NULL == (dataspace = H5S_decode(&mod_data_p))) HGOTO_ERROR(H5E_DATASET, H5E_CANTDECODE, FAIL, "unable to decode dataspace") - if (H5S_select_iter_init(mem_iter, dataspace, type_info->dst_type_size) < 0) + if(H5S_select_iter_init(mem_iter, dataspace, type_info->dst_type_size) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize memory selection information") mem_iter_init = TRUE; - if ((iter_nelmts = H5S_GET_SELECT_NPOINTS(dataspace)) < 0) + if((iter_nelmts = H5S_GET_SELECT_NPOINTS(dataspace)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOUNT, FAIL, "dataspace is invalid") /* Update the chunk data with the received modification data */ if(H5D__scatter_mem(mod_data_p, dataspace, mem_iter, (size_t) iter_nelmts, chunk_entry->buf) < 0) HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "couldn't scatter to write buffer") - if (H5S_SELECT_ITER_RELEASE(mem_iter) < 0) + if(H5S_SELECT_ITER_RELEASE(mem_iter) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "couldn't release selection iterator") mem_iter_init = FALSE; - if (dataspace) { - if (H5S_close(dataspace) < 0) + if(dataspace) { + if(H5S_close(dataspace) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTFREE, FAIL, "can't close dataspace") dataspace = NULL; - } + } /* end if */ H5MM_free(chunk_entry->async_info.receive_buffer_array[i]); } /* end for */ |