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
  11 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
  12 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
  13                           struct btrfs_fs_info *fs_info);
  14 void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
  15 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
  16                             struct btrfs_ioctl_dev_replace_args *args);
  17 int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
  18                 const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
  19                 int read_src);
  20 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
  21                               struct btrfs_ioctl_dev_replace_args *args);
  22 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
  23 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
  24 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
  25 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
  26 void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace);
  27 void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace);
  28 void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace);
  29 void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace);
  30 void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
  31 void btrfs_dev_replace_clear_lock_blocking(
  32                                         struct btrfs_dev_replace *dev_replace);
  33
  34 static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
  35 {
  36         atomic64_inc(stat_value);
  37 }
  38
  39 #endif