111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
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/*
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* mdctl - manage Linux "md" devices aka RAID arrays.
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*
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* Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Neil Brown
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* Email: <neilb@cse.unsw.edu.au>
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* Paper: Neil Brown
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* School of Computer Science and Engineering
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* The University of New South Wales
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* Sydney, 2052
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* Australia
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*/
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#define __USE_LARGEFILE64
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#include <unistd.h>
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extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <time.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <linux/kdev_t.h>
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#include <linux/fs.h>
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#include <sys/ioctl.h>
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#define MD_MAJOR 9
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#include "md_u.h"
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extern char short_options[];
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extern struct option long_options[];
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extern char Version[], Usage[], Help[], Help_create[], Help_build[], Help_assemble[];
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/* structures read from config file */
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/* List of mddevice names and uuids */
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typedef struct mddev_uuid_s {
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char *devname;
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__u32 uuid[4];
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struct mddev_uuid_s *next;
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} *mddev_uuid_t;
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/* List of device names - wildcards expanded */
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typedef struct mddev_dev_s {
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char *devname;
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struct mddev_dev_s *next;
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} *mddev_dev_t;
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/*
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* RAID5 supported algorithms
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*/
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#define ALGORITHM_LEFT_ASYMMETRIC 0
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#define ALGORITHM_RIGHT_ASYMMETRIC 1
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#define ALGORITHM_LEFT_SYMMETRIC 2
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#define ALGORITHM_RIGHT_SYMMETRIC 3
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extern int Manage_ro(char *devname, int fd, int readonly);
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extern int Manage_runstop(char *devname, int fd, int runstop);
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extern int Manage_subdevs(char *devname, int fd,
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int devcnt, char *devnames[], int devmodes[]);
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extern int Assemble(char *mddev, int mdfd,
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int uuid[4], int uuidset,
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char *conffile, int scan,
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int subdevs, char *subdev[],
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int readonly, int runstop,
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int verbose, int force);
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extern int Build(char *mddev, int mdfd, int chunk, int level,
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int raiddisks,
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int subdevs, char *subdev[]);
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extern int Create(char *mddev, int mdfd,
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int chunk, int level, int layout, int raiddisks, int sparedisks,
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int subdevs, char *subdev[],
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int runstop);
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extern int Detail(char *dev);
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extern int Examine(char *dev);
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extern int md_get_version(int fd);
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extern int get_linux_version();
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extern int parse_uuid(char *str, int uuid[4]);
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extern mddev_uuid_t conf_get_uuids(char *);
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extern mddev_dev_t conf_get_devs(char *);
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