btrfs-progs/repair.c
Chris Mason af00db292e Btrfsck: add the ability to prune corrupt extent allocation tree blocks
When we discover bad blocks in the extent allocation tree, repair can
now discard them and recreate the references from the rest of the trees.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-02-21 14:37:21 -05:00

51 lines
1.4 KiB
C

/*
* Copyright (C) 2012 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.
*/
#include "ctree.h"
#include "extent-cache.h"
#include "utils.h"
#include "repair.h"
int btrfs_add_corrupt_extent_record(struct btrfs_fs_info *info,
struct btrfs_key *first_key,
u64 start, u64 len, int level)
{
int ret = 0;
struct btrfs_corrupt_block *corrupt;
if (!info->corrupt_blocks)
return 0;
corrupt = malloc(sizeof(*corrupt));
if (!corrupt)
return -ENOMEM;
memcpy(&corrupt->key, first_key, sizeof(*first_key));
corrupt->cache.start = start;
corrupt->cache.size = len;
corrupt->level = level;
ret = insert_existing_cache_extent(info->corrupt_blocks, &corrupt->cache);
if (ret)
free(corrupt);
BUG_ON(ret && ret != -EEXIST);
return ret;
}