Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64...
[sfrench/cifs-2.6.git] / fs / btrfs / dev-replace.h
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