linux-sg2042/include/linux/udf_fs_i.h

74 lines
1.5 KiB
C

/*
* udf_fs_i.h
*
* This file is intended for the Linux kernel/module.
*
* COPYRIGHT
* This file is distributed under the terms of the GNU General Public
* License (GPL). Copies of the GPL can be obtained from:
* ftp://prep.ai.mit.edu/pub/gnu/GPL
* Each contributing author retains all rights to their own work.
*/
#ifndef _UDF_FS_I_H
#define _UDF_FS_I_H 1
#ifdef __KERNEL__
#ifndef _ECMA_167_H
typedef struct
{
__u32 logicalBlockNum;
__u16 partitionReferenceNum;
} __attribute__ ((packed)) lb_addr;
typedef struct
{
__u32 extLength;
__u32 extPosition;
} __attribute__ ((packed)) short_ad;
typedef struct
{
__u32 extLength;
lb_addr extLocation;
__u8 impUse[6];
} __attribute__ ((packed)) long_ad;
#endif
struct udf_inode_info
{
struct timespec i_crtime;
/* Physical address of inode */
kernel_lb_addr i_location;
__u64 i_unique;
__u32 i_lenEAttr;
__u32 i_lenAlloc;
__u64 i_lenExtents;
__u32 i_next_alloc_block;
__u32 i_next_alloc_goal;
unsigned i_alloc_type : 3;
unsigned i_efe : 1;
unsigned i_use : 1;
unsigned i_strat4096 : 1;
unsigned reserved : 26;
union
{
short_ad *i_sad;
long_ad *i_lad;
__u8 *i_data;
} i_ext;
struct inode vfs_inode;
};
#endif
/* exported IOCTLs, we have 'l', 0x40-0x7f */
#define UDF_GETEASIZE _IOR('l', 0x40, int)
#define UDF_GETEABLOCK _IOR('l', 0x41, void *)
#define UDF_GETVOLIDENT _IOR('l', 0x42, void *)
#define UDF_RELOCATE_BLOCKS _IOWR('l', 0x43, long)
#endif /* _UDF_FS_I_H */