fs/btrfs/dev-replace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) STRATO AG 2012.  All rights reserved.
   4  */
   5
   6 #ifndef BTRFS_DEV_REPLACE_H
   7 #define BTRFS_DEV_REPLACE_H
   8
   9 struct btrfs_ioctl_dev_replace_args;
  10 struct btrfs_fs_info;
  11 struct btrfs_trans_handle;
  12 struct btrfs_dev_replace;
  13 struct btrfs_block_group;
  14
  15 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
  16 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
  17 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
  18                             struct btrfs_ioctl_dev_replace_args *args);
  19 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
  20                               struct btrfs_ioctl_dev_replace_args *args);
  21 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
  22 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
  23 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
  24 int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
  25 bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
  26                                       struct btrfs_block_group *cache,
  27                                       u64 physical);
  28 void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
  29 void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
  30
  31 static inline void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
  32 {
  33         btrfs_bio_counter_sub(fs_info, 1);
  34 }
  35
  36
  37 #endif