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