C++程序  |  62行  |  1.49 KB

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef __EFS_FS_SB_H__
#define __EFS_FS_SB_H__

#define EFS_SUPER_MAGIC 0x414A53

#define EFS_MAGIC 0x072959
#define EFS_NEWMAGIC 0x07295a

#define IS_EFS_MAGIC(x) ((x == EFS_MAGIC) || (x == EFS_NEWMAGIC))

#define EFS_SUPER 1
#define EFS_ROOTINODE 2

struct efs_super {
 __be32 fs_size;
 __be32 fs_firstcg;
 __be32 fs_cgfsize;
 __be16 fs_cgisize;
 __be16 fs_sectors;
 __be16 fs_heads;
 __be16 fs_ncg;
 __be16 fs_dirty;
 __be32 fs_time;
 __be32 fs_magic;
 char fs_fname[6];
 char fs_fpack[6];
 __be32 fs_bmsize;
 __be32 fs_tfree;
 __be32 fs_tinode;
 __be32 fs_bmblock;
 __be32 fs_replsb;
 __be32 fs_lastialloc;
 char fs_spare[20];
 __be32 fs_checksum;
};

struct efs_sb_info {
 __u32 fs_magic;
 __u32 fs_start;
 __u32 first_block;
 __u32 total_blocks;
 __u32 group_size;
 __u32 data_free;
 __u32 inode_free;
 __u16 inode_blocks;
 __u16 total_groups;
};

#endif