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openmpi/ompi/mca/fs/plfs/fs_plfs_component.c
2015-06-23 20:59:57 -07:00

89 строки
3.5 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008-2014 University of Houston. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "ompi_config.h"
#include "fs_plfs.h"
#include "mpi.h"
/*
* Public string showing the fs plfs component version number
*/
const char *mca_fs_plfs_component_version_string =
"OMPI/MPI plfs FS MCA component version " OMPI_VERSION;
static int plfs_register(void);
int mca_fs_plfs_priority = 20;
int mca_fs_plfs_num_hostdir = -1;
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_fs_base_component_2_0_0_t mca_fs_plfs_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
.fsm_version = {
MCA_FS_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "plfs",
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION),
.mca_register_component_params = plfs_register,
},
.fsm_data = {
/* This component is checkpointable */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
.fsm_init_query = mca_fs_plfs_component_init_query, /* get thread level */
.fsm_file_query = mca_fs_plfs_component_file_query, /* get priority and actions */
.fsm_file_unquery = mca_fs_plfs_component_file_unquery, /* undo what was done by previous function */
};
static int
plfs_register(void)
{
mca_fs_plfs_priority = 20;
(void) mca_base_component_var_register(&mca_fs_plfs_component.fsm_version,
"priority", "Priority of the plfs fs component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY, &mca_fs_plfs_priority);
mca_fs_plfs_num_hostdir = -1;
(void) mca_base_component_var_register(&mca_fs_plfs_component.fsm_version,
"num_hostdir", "number of host directories of a file over plfs",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY, &mca_fs_plfs_num_hostdir);
return OMPI_SUCCESS;
}