int mca_sharedfp_individual_iwrite(mca_io_ompio_file_t *fh, const void *buf, int count, ompi_datatype_t *datatype, MPI_Request * request) { int ret = OMPI_SUCCESS; size_t numofbytes = 0; OMPI_MPI_OFFSET_TYPE totalbytes = 0; mca_sharedfp_individual_header_record *headnode = NULL; struct mca_sharedfp_base_data_t *sh = NULL; mca_sharedfp_base_module_t * shared_fp_base_module = NULL; if(fh->f_sharedfp_data==NULL){ if ( mca_sharedfp_individual_verbose ) { opal_output(ompi_sharedfp_base_framework.framework_output, "mca_sharedfp_individual_iwrite: opening the shared file pointer\n"); } shared_fp_base_module = fh->f_sharedfp; ret = shared_fp_base_module->sharedfp_file_open(fh->f_comm, fh->f_filename, fh->f_amode, fh->f_info, fh); if (ret != OMPI_SUCCESS) { opal_output(0,"mca_sharedfp_individual_iwrite - error opening the shared file pointer\n"); return ret; } } /* Calculate the number of bytes of data that needs to be written*/ opal_datatype_type_size ( &datatype->super, &numofbytes); totalbytes = count * numofbytes; sh = fh->f_sharedfp_data; headnode = (mca_sharedfp_individual_header_record*)sh->selected_module_data; if ( NULL == headnode) { opal_output (0, "sharedfp_individual_iwrite: headnode is NULL but file is open\n"); return OMPI_ERROR; } /*Insert metadata record into a queue*/ ret = mca_sharedfp_individual_insert_metadata(OMPI_FILE_WRITE_SHARED,totalbytes,sh); /*Write the data into individual file*/ ret = mca_common_ompio_file_iwrite_at ( headnode->datafilehandle, headnode->datafile_offset, buf, count, datatype, request); if ( OMPI_SUCCESS != ret ) { opal_output(0,"sharedfp_individual_iwrite: Error while iwriting the datafile \n"); return ret; } /* Update the datafileoffset */ headnode->datafile_offset = headnode->datafile_offset + totalbytes; return ret; }
int mca_sharedfp_individual_write (mca_io_ompio_file_t *fh, void *buf, int count, struct ompi_datatype_t *datatype, ompi_status_public_t *status) { int ret = OMPI_SUCCESS; size_t numofbytes = 0; size_t totalbytes = 0; mca_sharedfp_individual_header_record *headnode = NULL; struct mca_sharedfp_base_data_t *sh = NULL; mca_sharedfp_base_module_t * shared_fp_base_module = NULL; if ( NULL == fh->f_sharedfp_data ) { if ( mca_sharedfp_individual_verbose ) { opal_output(ompi_sharedfp_base_framework.framework_output,"sharedfp_individual_write: opening the shared file pointer file\n"); } shared_fp_base_module = fh->f_sharedfp; ret = shared_fp_base_module->sharedfp_file_open(fh->f_comm, fh->f_filename, fh->f_amode, fh->f_info, fh); if (ret != OMPI_SUCCESS) { opal_output(0,"sharedfp_individual_write - error opening the shared file pointer\n"); return ret; } } /* Calculate the number of bytes of data that need to be written*/ opal_datatype_type_size ( &datatype->super, &numofbytes); totalbytes = count * numofbytes; /*Retrieve data structure for shared file pointer operations*/ sh = fh->f_sharedfp_data; headnode = (mca_sharedfp_individual_header_record*)sh->selected_module_data; if (headnode) { /*Insert metadata record into a queue*/ mca_sharedfp_individual_insert_metadata(OMPI_FILE_WRITE_SHARED, totalbytes, sh); /*Write the data into individual file*/ ret = ompio_io_ompio_file_write_at ( headnode->datafilehandle, headnode->datafile_offset, buf, count, datatype, status); if ( OMPI_SUCCESS != ret ) { opal_output(0,"mca_sharedfp_individual_write: Error while writing the datafile \n"); return -1; } /* Update the datafileoffset*/ headnode->datafile_offset = headnode->datafile_offset + totalbytes; } return ret; }