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// SPDX-License-Identifier: GPL-2.0+
#ifndef __BTRFS_DISK_IO_H__
#define __BTRFS_DISK_IO_H__
#include <linux/sizes.h>
#include <fs_internal.h>
#include "crypto/hash.h"
#include "ctree.h"
#include "disk-io.h"
#define BTRFS_SUPER_INFO_OFFSET SZ_64K
#define BTRFS_SUPER_INFO_SIZE SZ_4K
static inline u64 btrfs_name_hash(const char *name, int len)
{
u32 crc;
crc = crc32c((u32)~1, (unsigned char *)name, len);
return (u64)crc;
}
int btrfs_csum_data(u16 csum_type, const u8 *data, u8 *out, size_t len);
int btrfs_read_dev_super(struct blk_desc *desc, struct disk_partition *part,
struct btrfs_super_block *sb);
int btrfs_read_superblock(void);
#endif
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