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Linux/fs/btrfs/dev-replace.h

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  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 #include <linux/types.h>
 10 #include <linux/compiler_types.h>
 11 
 12 struct btrfs_ioctl_dev_replace_args;
 13 struct btrfs_fs_info;
 14 struct btrfs_trans_handle;
 15 struct btrfs_dev_replace;
 16 struct btrfs_block_group;
 17 struct btrfs_device;
 18 
 19 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
 20 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
 21 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
 22                             struct btrfs_ioctl_dev_replace_args *args);
 23 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 24                               struct btrfs_ioctl_dev_replace_args *args);
 25 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 26 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
 27 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
 28 int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
 29 bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
 30                                       struct btrfs_block_group *cache,
 31                                       u64 physical);
 32 void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
 33 void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
 34 
 35 static inline void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
 36 {
 37         btrfs_bio_counter_sub(fs_info, 1);
 38 }
 39 
 40 
 41 #endif
 42 

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