btrfs.h

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/*
 * COPYRIGHT:        See COPYING in the top level directory
 * PROJECT:          ReactOS File System Recognizer
 * FILE:             drivers/filesystems/fs_rec/btrfs.h
 * PURPOSE:          BTRFS Header File
 * PROGRAMMER:       Peter Hater
 *                   Pierre Schweitzer (pierre@reactos.org)
 */
 
#include <pshpack1.h>
typedef struct {
    UINT8 uuid[16];
} BTRFS_UUID;
 
typedef struct _BTRFS_SUPER_BLOCK {
    UINT8 checksum[32];
    BTRFS_UUID uuid;
    UINT64 sb_phys_addr;
    UINT64 flags;
    UINT64 magic;
        // Partial
} BTRFS_SUPER_BLOCK, *PBTRFS_SUPER_BLOCK;
#include <poppack.h>
 
C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, uuid) == 0x20);
C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, sb_phys_addr) == 0x30);
C_ASSERT(FIELD_OFFSET(BTRFS_SUPER_BLOCK, magic) == 0x40);
 
#define BTRFS_MAGIC 0x4d5f53665248425f
#define BTRFS_SB_OFFSET 0x10000
#define BTRFS_SB_SIZE 0x1000