1
1
openmpi/ompi/mca/fs/lustre/fs_lustre_component.c
Edgar Gabriel 52063267df commit of the OMPIO modules and frameworks.
This commit was SVN r25079.
2011-08-25 20:08:17 +00:00

104 строки
3.6 KiB
C

/*
* 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) 2008-2011 University of Houston. 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_lustre.h"
#include "mpi.h"
/*
* Public string showing the fs lustre component version number
*/
const char *mca_fs_lustre_component_version_string =
"OMPI/MPI lustre FS MCA component version " OMPI_VERSION;
static int lustre_register(void);
int mca_fs_lustre_priority = 20;
int mca_fs_lustre_stripe_size = 0;
int mca_fs_lustre_stripe_width = 0;
/*
* 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_lustre_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
MCA_FS_BASE_VERSION_2_0_0,
/* Component name and version */
"lustre",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
lustre_register,
NULL
},
{
/* This component is checkpointable */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
mca_fs_lustre_component_init_query, /* get thread level */
mca_fs_lustre_component_file_query, /* get priority and actions */
mca_fs_lustre_component_file_unquery /* undo what was done by previous function */
};
static int
lustre_register(void)
{
int param;
param = mca_base_param_find ("fs", NULL, "lustre_stripe_size");
if (param >= 0)
{
mca_base_param_lookup_int (param, &mca_fs_lustre_stripe_size);
}
param = mca_base_param_find ("fs", NULL, "lustre_stripe_width");
if (param >= 0)
{
mca_base_param_lookup_int (param, &mca_fs_lustre_stripe_width);
}
mca_base_param_reg_int (&mca_fs_lustre_component.fsm_version,
"priority",
"Priority of the lustre fs component",
false, false, mca_fs_lustre_priority,
&mca_fs_lustre_priority);
mca_base_param_reg_int (&mca_fs_lustre_component.fsm_version,
"stripe_size",
"stripe size of a file over lustre",
false, false, mca_fs_lustre_stripe_size,
&mca_fs_lustre_stripe_size);
mca_base_param_reg_int (&mca_fs_lustre_component.fsm_version,
"stripe_width",
"stripe width of a file over lustre",
false, false, mca_fs_lustre_stripe_width,
&mca_fs_lustre_stripe_width);
return OMPI_SUCCESS;
}