linux/fs/btrfs/ref-verify.h
David Sterba ccb42a6eed btrfs: constify more pointer parameters
Another batch of pointer parameter constifications. This is for clarity
and minor addition to type safety. There are no observable effects in the
assembly code and .ko measured on release config.

Signed-off-by: David Sterba <dsterba@suse.com>
2025-07-21 23:53:26 +02:00

58 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2014 Facebook. All rights reserved.
*/
#ifndef BTRFS_REF_VERIFY_H
#define BTRFS_REF_VERIFY_H
#include <linux/types.h>
#include <linux/rbtree_types.h>
struct btrfs_fs_info;
struct btrfs_ref;
#ifdef CONFIG_BTRFS_FS_REF_VERIFY
#include <linux/spinlock.h>
int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info);
void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info);
int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
const struct btrfs_ref *generic_ref);
void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info, u64 start,
u64 len);
static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
{
spin_lock_init(&fs_info->ref_verify_lock);
fs_info->block_tree = RB_ROOT;
}
#else
static inline int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
{
return 0;
}
static inline void btrfs_free_ref_cache(struct btrfs_fs_info *fs_info)
{
}
static inline int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
const struct btrfs_ref *generic_ref)
{
return 0;
}
static inline void btrfs_free_ref_tree_range(struct btrfs_fs_info *fs_info,
u64 start, u64 len)
{
}
static inline void btrfs_init_ref_verify(struct btrfs_fs_info *fs_info)
{
}
#endif /* CONFIG_BTRFS_FS_REF_VERIFY */
#endif