forked from Minki/linux
e1f60a6580
The attribute is more relaxed than const and the functions could dereference pointers, as long as the observable state is not changed. We do have such functions, based on -Wsuggest-attribute=pure . The visible effects of this patch are negligible, there are differences in the assembly but hard to summarize. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
23 lines
835 B
C
23 lines
835 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) STRATO AG 2012. All rights reserved.
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*/
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#ifndef BTRFS_DEV_REPLACE_H
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#define BTRFS_DEV_REPLACE_H
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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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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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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 __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
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#endif
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