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kernel/linux-imx6_3.14.28/fs/btrfs/dev-replace.h 1.79 KB
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  /*
   * Copyright (C) STRATO AG 2012.  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.
   */
  
  #if !defined(__BTRFS_DEV_REPLACE__)
  #define __BTRFS_DEV_REPLACE__
  
  struct btrfs_ioctl_dev_replace_args;
  
  int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
  int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
  			  struct btrfs_fs_info *fs_info);
  void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
  int btrfs_dev_replace_start(struct btrfs_root *root,
  			    struct btrfs_ioctl_dev_replace_args *args);
  void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
  			      struct btrfs_ioctl_dev_replace_args *args);
  int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
  			     struct btrfs_ioctl_dev_replace_args *args);
  void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
  int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
  int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
  void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace);
  void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace);
  
  static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
  {
  	atomic64_inc(stat_value);
  }
  #endif