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 40