7e79cb86be
The current calls are unclear in what way btrfs_dev_replace_lock takes the locks, so drop the argument, split the helpers and use similar naming as for read and write locks. Signed-off-by: David Sterba <dsterba@suse.com>
52 lines
2.2 KiB
C
52 lines
2.2 KiB
C
/*
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* Copyright (C) STRATO AG 2012. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#if !defined(__BTRFS_DEV_REPLACE__)
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#define __BTRFS_DEV_REPLACE__
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struct btrfs_ioctl_dev_replace_args;
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int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
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int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
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struct btrfs_fs_info *fs_info);
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void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
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int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
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struct btrfs_ioctl_dev_replace_args *args);
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int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
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const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
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int read_src);
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void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
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struct btrfs_ioctl_dev_replace_args *args);
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int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
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void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
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int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
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int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
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void btrfs_dev_replace_clear_lock_blocking(
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struct btrfs_dev_replace *dev_replace);
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static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
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{
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atomic64_inc(stat_value);
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}
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#endif
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