include/linux/udf_fs_i.h

   1 /*
   2  * udf_fs_i.h
   3  *
   4  * This file is intended for the Linux kernel/module.
   5  *
   6  * CONTACTS
   7  *      E-mail regarding any portion of the Linux UDF file system should be
   8  *      directed to the development team mailing list (run by majordomo):
   9  *              linux_udf@hpesjro.fc.hp.com
  10  *
  11  * COPYRIGHT
  12  *      This file is distributed under the terms of the GNU General Public
  13  *      License (GPL). Copies of the GPL can be obtained from:
  14  *              ftp://prep.ai.mit.edu/pub/gnu/GPL
  15  *      Each contributing author retains all rights to their own work.
  16  */
  17
  18 #ifndef _UDF_FS_I_H
  19 #define _UDF_FS_I_H 1
  20
  21 #ifdef __KERNEL__
  22
  23 #ifndef _ECMA_167_H
  24 typedef struct
  25 {
  26         __u32                   logicalBlockNum;
  27         __u16                   partitionReferenceNum;
  28 } __attribute__ ((packed)) lb_addr;
  29
  30 typedef struct
  31 {
  32         __u32                   extLength;
  33         __u32                   extPosition;
  34 } __attribute__ ((packed)) short_ad;
  35
  36 typedef struct
  37 {
  38         __u32                   extLength;
  39         lb_addr                 extLocation;
  40         __u8                    impUse[6];
  41 } __attribute__ ((packed)) long_ad;
  42 #endif
  43
  44 struct udf_inode_info
  45 {
  46         struct timespec         i_crtime;
  47         /* Physical address of inode */
  48         kernel_lb_addr          i_location;
  49         __u64                   i_unique;
  50         __u32                   i_lenEAttr;
  51         __u32                   i_lenAlloc;
  52         __u64                   i_lenExtents;
  53         __u32                   i_next_alloc_block;
  54         __u32                   i_next_alloc_goal;
  55         unsigned                i_alloc_type : 3;
  56         unsigned                i_efe : 1;
  57         unsigned                i_use : 1;
  58         unsigned                i_strat4096 : 1;
  59         unsigned                reserved : 26;
  60         union
  61         {
  62                 short_ad        *i_sad;
  63                 long_ad         *i_lad;
  64                 __u8            *i_data;
  65         } i_ext;
  66         struct inode vfs_inode;
  67 };
  68
  69 #endif
  70
  71 /* exported IOCTLs, we have 'l', 0x40-0x7f */
  72
  73 #define UDF_GETEASIZE   _IOR('l', 0x40, int)
  74 #define UDF_GETEABLOCK  _IOR('l', 0x41, void *)
  75 #define UDF_GETVOLIDENT _IOR('l', 0x42, void *)
  76 #define UDF_RELOCATE_BLOCKS _IOWR('l', 0x43, long)
  77
  78 #endif /* _UDF_FS_I_H */