repair.c

   1 /*
   2  * Copyright (C) 2012 Oracle.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public
   6  * License v2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public
  14  * License along with this program; if not, write to the
  15  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  16  * Boston, MA 021110-1307, USA.
  17  */
  18
  19 #include "ctree.h"
  20 #include "extent-cache.h"
  21 #include "utils.h"
  22 #include "repair.h"
  23
  24 int btrfs_add_corrupt_extent_record(struct btrfs_fs_info *info,
  25                                     struct btrfs_key *first_key,
  26                                     u64 start, u64 len, int level)
  27
  28 {
  29         int ret = 0;
  30         struct btrfs_corrupt_block *corrupt;
  31
  32         if (!info->corrupt_blocks)
  33                 return 0;
  34
  35         corrupt = malloc(sizeof(*corrupt));
  36         if (!corrupt)
  37                 return -ENOMEM;
  38
  39         memcpy(&corrupt->key, first_key, sizeof(*first_key));
  40         corrupt->cache.start = start;
  41         corrupt->cache.size = len;
  42         corrupt->level = level;
  43
  44         ret = insert_cache_extent(info->corrupt_blocks, &corrupt->cache);
  45         if (ret)
  46                 free(corrupt);
  47         BUG_ON(ret && ret != -EEXIST);
  48         return ret;
  49 }
  50