blob: 54d7858f41fe1edab38b48cd3efe0849b6d81870 [file] [log] [blame]
/*
* Copyright (C) 2007 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#define _XOPEN_SOURCE 500
#define _GNU_SOURCE 1
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "kerncompat.h"
#include "ctree.h"
#include "disk-io.h"
#include "print-tree.h"
#include "transaction.h"
#include "list.h"
#include "version.h"
#include "utils.h"
static void print_usage(void)
{
fprintf(stderr, "usage: btrfs-zero-log dev\n");
fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION);
exit(1);
}
int main(int ac, char **av)
{
struct btrfs_root *root;
int ret;
if (ac != 2)
print_usage();
radix_tree_init();
if((ret = check_mounted(av[1])) < 0) {
fprintf(stderr, "Could not check mount status: %s\n", strerror(-ret));
return ret;
} else if(ret) {
fprintf(stderr, "%s is currently mounted. Aborting.\n", av[1]);
return -EBUSY;
}
root = open_ctree(av[1], 0, 1);
if (root == NULL)
return 1;
btrfs_set_super_log_root(&root->fs_info->super_copy, 0);
btrfs_set_super_log_root_level(&root->fs_info->super_copy, 0);
close_ctree(root);
return ret;
}