#ifndef __UDF_DECL_H #define __UDF_DECL_H #include "ecma_167.h" #include "osta_udf.h" #include <linux/fs.h> #include <linux/types.h> #include <linux/buffer_head.h> #include <linux/udf_fs_i.h> #include "udf_sb.h" #include "udfend.h" #include "udf_i.h" #define UDF_PREALLOCATE #define UDF_DEFAULT_PREALLOC_BLOCKS 8 #undef UDFFS_DEBUG #ifdef UDFFS_DEBUG #define udf_debug(f, a...) \ do { \ printk(KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \ __FILE__, __LINE__, __func__); \ printk(f, ##a); \ } while (0) #else #define udf_debug(f, a...) /**/ #endif #define udf_info(f, a...) \ printk(KERN_INFO "UDF-fs INFO " f, ##a); #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF #define UDF_EXTENT_FLAG_MASK 0xC0000000 #define UDF_NAME_PAD 4 #define UDF_NAME_LEN 256 #define UDF_PATH_LEN 1023 static inline size_t udf_file_entry_alloc_offset(struct inode *inode) { struct udf_inode_info *iinfo = UDF_I(inode); if (iinfo->i_use) return sizeof(struct unallocSpaceEntry); else if (iinfo->i_efe) return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; else return sizeof(struct fileEntry) + iinfo->i_lenEAttr; } static inline size_t udf_ext0_offset(struct inode *inode) { if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) return udf_file_entry_alloc_offset(inode); else return 0; } #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset)) /* computes tag checksum */ u8 udf_tag_checksum(const tag *t); struct dentry; struct inode; struct task_struct; struct buffer_head; struct super_block; extern const struct inode_operations udf_dir_inode_operations; extern const struct file_operations udf_dir_operations; extern const struct inode_operations udf_file_inode_operations; extern const struct file_operations udf_file_operations; extern const struct address_space_operations udf_aops; extern const struct address_space_operations udf_adinicb_aops; extern const struct address_space_operations udf_symlink_aops; struct udf_fileident_bh { struct buffer_head *sbh; struct buffer_head *ebh; int soffset; int eoffset; }; struct udf_vds_record { uint32_t block; uint32_t volDescSeqNum; }; struct generic_desc { tag descTag; __le32 volDescSeqNum; }; struct ustr { uint8_t u_cmpID; uint8_t u_name[UDF_NAME_LEN - 2]; uint8_t u_len; }; struct extent_position { struct buffer_head *bh; uint32_t offset; kernel_lb_addr block; }; /* super.c */ extern void udf_warning(struct super_block *, const char *, const char *, ...); /* namei.c */ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *); /* file.c */ extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long); /* inode.c */ extern struct inode *udf_iget(struct super_block *, kernel_lb_addr); extern int udf_sync_inode(struct inode *); extern void udf_expand_file_adinicb(struct inode *, int, int *); extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); extern struct buffer_head *udf_bread(struct inode *, int, int, int *); extern void udf_truncate(struct inode *); extern void udf_read_inode(struct inode *); extern void udf_delete_inode(struct inode *); extern void udf_clear_inode(struct inode *); extern int udf_write_inode(struct inode *, int); extern long udf_block_map(struct inode *, sector_t); extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t); extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); /* misc.c */ extern struct buffer_head *udf_tgetblk(struct super_block *, int); extern struct buffer_head *udf_tread(struct super_block *, int); extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t); extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t); extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *); extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *); extern void udf_update_tag(char *, int); extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); /* lowlevel.c */ extern unsigned int udf_get_last_session(struct super_block *); extern unsigned long udf_get_last_block(struct super_block *); /* partition.c */ extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t); extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t); extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t); extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t); extern int udf_relocate_blocks(struct super_block *, long, long *); /* unicode.c */ extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int); extern int udf_build_ustr(struct ustr *, dstring *, int); extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); /* ialloc.c */ extern void udf_free_inode(struct inode *); extern struct inode *udf_new_inode(struct inode *, int, int *); /* truncate.c */ extern void udf_truncate_tail_extent(struct inode *); extern void udf_discard_prealloc(struct inode *); extern void udf_truncate_extents(struct inode *); /* balloc.c */ extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t); extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t); extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *); /* fsync.c */ extern int udf_fsync_file(struct file *, struct dentry *, int); /* directory.c */ extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset); extern long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); /* crc.c */ extern uint16_t udf_crc(const uint8_t *, uint32_t, uint16_t); /* udftime.c */ extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, timestamp src); extern timestamp *udf_time_to_disk_stamp(timestamp *dest, struct timespec src); #endif /* __UDF_DECL_H */