hpfs: annotate struct fnode

enum {FNODE_anode = cpu_to_le16(2), FNODE_dir = cpu_to_le16(256)};

struct fnode

{

  u32 magic;				/* f7e4 0aae */

  u32 zero1[2];				/* read history */

  __le32 magic;				/* f7e4 0aae */

  __le32 zero1[2];			/* read history */

  u8 len, name[15];			/* true length, truncated name */

  fnode_secno up;			/* pointer to file's directory fnode */

  secno acl_size_l;

  secno acl_secno;

  u16 acl_size_s;

  __le32 up;				/* pointer to file's directory fnode */

  __le32 acl_size_l;

  __le32 acl_secno;

  __le16 acl_size_s;

  u8 acl_anode;

  u8 zero2;				/* history bit count */

  u32 ea_size_l;			/* length of disk-resident ea's */

  secno ea_secno;			/* first sector of disk-resident ea's*/

  u16 ea_size_s;			/* length of fnode-resident ea's */

  __le32 ea_size_l;			/* length of disk-resident ea's */

  __le32 ea_secno;			/* first sector of disk-resident ea's*/

  __le16 ea_size_s;			/* length of fnode-resident ea's */

  __le16 flags;				/* bit 1 set -> ea_secno is an anode */

					/* bit 8 set -> directory.  first & only extent

    struct bplus_internal_node internal[12];

  } u;

  u32 file_size;			/* file length, bytes */

  u32 n_needea;				/* number of EA's with NEEDEA set */

  __le32 file_size;			/* file length, bytes */

  __le32 n_needea;			/* number of EA's with NEEDEA set */

  u8 user_id[16];			/* unused */

  u16 ea_offs;				/* offset from start of fnode

  __le16 ea_offs;			/* offset from start of fnode

					   to first fnode-resident ea */

  u8 dasd_limit_treshhold;

  u8 dasd_limit_delta;

  u32 dasd_limit;

  u32 dasd_usage;

  __le32 dasd_limit;

  __le32 dasd_usage;

  u8 ea[316];				/* zero or more EA's, packed together

					   with no alignment padding.

					   (Do not use this name, get here