dev-replace.h 1.6 KB

12345678910111213141516171819202122232425262728293031323334353637383940
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright (C) STRATO AG 2012. All rights reserved.
  4. */
  5. #ifndef BTRFS_DEV_REPLACE_H
  6. #define BTRFS_DEV_REPLACE_H
  7. struct btrfs_ioctl_dev_replace_args;
  8. int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
  9. int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
  10. struct btrfs_fs_info *fs_info);
  11. void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
  12. int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
  13. struct btrfs_ioctl_dev_replace_args *args);
  14. int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
  15. const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
  16. int read_src);
  17. void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
  18. struct btrfs_ioctl_dev_replace_args *args);
  19. int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
  20. void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
  21. int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
  22. int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
  23. void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace);
  24. void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace);
  25. void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace);
  26. void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace);
  27. void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
  28. void btrfs_dev_replace_clear_lock_blocking(
  29. struct btrfs_dev_replace *dev_replace);
  30. static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
  31. {
  32. atomic64_inc(stat_value);
  33. }
  34. #endif