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TOMOYO Linux Cross Reference
Linux/fs/btrfs/dev-replace.h

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  1 /*
  2  * Copyright (C) STRATO AG 2012.  All rights reserved.
  3  *
  4  * This program is free software; you can redistribute it and/or
  5  * modify it under the terms of the GNU General Public
  6  * License v2 as published by the Free Software Foundation.
  7  *
  8  * This program is distributed in the hope that it will be useful,
  9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 11  * General Public License for more details.
 12  *
 13  * You should have received a copy of the GNU General Public
 14  * License along with this program; if not, write to the
 15  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 16  * Boston, MA 021110-1307, USA.
 17  */
 18 
 19 #if !defined(__BTRFS_DEV_REPLACE__)
 20 #define __BTRFS_DEV_REPLACE__
 21 
 22 struct btrfs_ioctl_dev_replace_args;
 23 
 24 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
 25 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
 26                           struct btrfs_fs_info *fs_info);
 27 void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
 28 int btrfs_dev_replace_start(struct btrfs_root *root,
 29                             struct btrfs_ioctl_dev_replace_args *args);
 30 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 31                               struct btrfs_ioctl_dev_replace_args *args);
 32 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
 33                              struct btrfs_ioctl_dev_replace_args *args);
 34 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
 35 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
 36 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
 37 void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace, int rw);
 38 void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace, int rw);
 39 void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
 40 void btrfs_dev_replace_clear_lock_blocking(
 41                                         struct btrfs_dev_replace *dev_replace);
 42 
 43 static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
 44 {
 45         atomic64_inc(stat_value);
 46 }
 47 #endif
 48 

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