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/*
* Copyright (C) 2013 SUSE. 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.
*/
#include "kerncompat.h"
#include <getopt.h>
#include "commands.h"
#include "utils.h"
static const char * const rescue_cmd_group_usage[] = {
"btrfs rescue <command> [options] <path>",
NULL
};
int btrfs_recover_chunk_tree(char *path, int verbose, int yes);
const char * const cmd_chunk_recover_usage[] = {
"btrfs rescue chunk-recover [options] <device>",
"Recover the chunk tree by scanning the devices one by one.",
"",
"-y Assume an answer of `yes' to all questions",
"-v Verbose mode",
"-h Help",
NULL
};
int cmd_chunk_recover(int argc, char *argv[])
{
int ret = 0;
char *file;
int yes = 0;
int verbose = 0;
while (1) {
int c = getopt(argc, argv, "yvh");
if (c < 0)
break;
switch (c) {
case 'y':
yes = 1;
break;
case 'v':
verbose = 1;
break;
case 'h':
default:
usage(cmd_chunk_recover_usage);
}
}
argc = argc - optind;
if (argc == 0)
usage(cmd_chunk_recover_usage);
file = argv[optind];
ret = check_mounted(file);
if (ret) {
fprintf(stderr, "the device is busy\n");
return ret;
}
ret = btrfs_recover_chunk_tree(file, verbose, yes);
if (!ret) {
fprintf(stdout, "Recover the chunk tree successfully.\n");
} else if (ret > 0) {
ret = 0;
fprintf(stdout, "Abort to rebuild the on-disk chunk tree.\n");
} else {
fprintf(stdout, "Fail to recover the chunk tree.\n");
}
return ret;
}
const struct cmd_group rescue_cmd_group = {
rescue_cmd_group_usage, NULL, {
{ "chunk-recover", cmd_chunk_recover, cmd_chunk_recover_usage, NULL, 0},
{ 0, 0, 0, 0, 0 }
}
};
int cmd_rescue(int argc, char **argv)
{
return handle_command_group(&rescue_cmd_group, argc, argv);
}
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