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/*
* mkraid.c : Utility for the Linux Multiple Devices driver
* Copyright (C) 1997 Ingo Molnar, Miguel de Icaza, Gadi Oxman
*
* This utility reads a Linux MD raid1/4/5 configuration file, writes a
* raid superblock on the devices in the raid set, and initializes the
* set for first time use, depending on command line switches and
* configuration file settings.
*
* This source is covered by the GNU GPL, the same as all Linux kernel
* sources.
*/
#include "common.h"
#include "parser.h"
#include "raid_io.h"
md_cfg_entry_t *cfg_head = NULL, *cfg = NULL;
int force_flag = 0;
int do_quiet_flag = 0;
static int no_clear_flag = 0;
void usage (void)
{
fprintf(stderr, "usage: mkraid [-f] [--only-superblock] conf_file\n");
}
int parse_switches(int argc, char *argv[])
{
int i, name_index = 0;
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
if(argv[i][1] == 'f') {
force_flag = 1;
continue;
}
if((argv[i][1] == 'h') ||
(!(strncmp(argv[i], "--h",3)))) {
usage();
exit(EXIT_USAGE);
}
if(strcmp(argv[i], "--only-superblock") == 0) {
no_clear_flag = 1;
continue;
}
return 0;
} else {
if (name_index)
return 0;
name_index = i;
}
}
return name_index;
}
int main (int argc, char *argv[])
{
FILE *fp = NULL;
int name_index;
md_cfg_entry_t *p;
int exit_status=0;
name_index = parse_switches(argc, argv);
if (!name_index) { usage(); goto abort; }
fp = fopen(argv[name_index], "r");
if (fp == NULL) {
fprintf(stderr, "Couldn't open %s -- %s\n", argv[name_index], strerror(errno));
goto abort;
}
srand((unsigned int) time(NULL));
printf("mkraid version %d.%d.%d\n", MKRAID_MAJOR_VERSION, MKRAID_MINOR_VERSION, MKRAID_PATCHLEVEL_VERSION);
if (parse_config(fp))
goto abort;
if (analyze_sb())
goto abort;
for (p = cfg_head; p; p = p->next)
if (check_active(p)) goto abort;
if (!no_clear_flag && init_set())
goto abort;
if (write_sb(0))
goto abort;
printf("mkraid: completed\n");
fclose(fp);
return 0;
abort:
fprintf(stderr, "mkraid: aborted\n");
exit_status = 1;
if (fp)
fclose(fp);
return exit_status;
}
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