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 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info, 15 struct btrfs_ioctl_dev_replace_args *args); 16 int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, 17 const char *tgtdev_name, u64 srcdevid, const char *srcdev_name, 18 int read_src); 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 btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace); 25 void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace); 26 void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace); 27 void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace); 28 void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace); 29 void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace); 30 31 #endif 32