/*
 * Copyright (C) STRATO AG 2012.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License v2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#if !defined(__BTRFS_DEV_REPLACE__)
#define __BTRFS_DEV_REPLACE__

struct btrfs_ioctl_dev_replace_args;

int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
			  struct btrfs_fs_info *fs_info);
void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
			    struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name,
				u64 srcdevid, char *srcdev_name, int read_src);
void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
			      struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
			     struct btrfs_ioctl_dev_replace_args *args);
void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace, int rw);
void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace, int rw);
void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
void btrfs_dev_replace_clear_lock_blocking(
					struct btrfs_dev_replace *dev_replace);

static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
{
	atomic64_inc(stat_value);
}
#endif
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