11da177e4SLinus Torvalds #ifndef __UDF_DECL_H 21da177e4SLinus Torvalds #define __UDF_DECL_H 31da177e4SLinus Torvalds 478ace70cSJoe Perches #define pr_fmt(fmt) "UDF-fs: " fmt 578ace70cSJoe Perches 61da177e4SLinus Torvalds #include "ecma_167.h" 71da177e4SLinus Torvalds #include "osta_udf.h" 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #include <linux/fs.h> 101da177e4SLinus Torvalds #include <linux/types.h> 111da177e4SLinus Torvalds #include <linux/buffer_head.h> 1215aebd28SChristoph Hellwig #include <linux/udf_fs_i.h> 131da177e4SLinus Torvalds 1415aebd28SChristoph Hellwig #include "udf_sb.h" 151da177e4SLinus Torvalds #include "udfend.h" 16d652eefbSmarcin.slusarz@gmail.com #include "udf_i.h" 171da177e4SLinus Torvalds 1815aebd28SChristoph Hellwig #define UDF_PREALLOCATE 1915aebd28SChristoph Hellwig #define UDF_DEFAULT_PREALLOC_BLOCKS 8 2015aebd28SChristoph Hellwig 2134116645SLinus Torvalds extern __printf(3, 4) void _udf_err(struct super_block *sb, 2234116645SLinus Torvalds const char *function, const char *fmt, ...); 2378ace70cSJoe Perches #define udf_err(sb, fmt, ...) \ 2478ace70cSJoe Perches _udf_err(sb, __func__, fmt, ##__VA_ARGS__) 2515aebd28SChristoph Hellwig 2634116645SLinus Torvalds extern __printf(3, 4) void _udf_warn(struct super_block *sb, 2734116645SLinus Torvalds const char *function, const char *fmt, ...); 28a40ecd7bSJoe Perches #define udf_warn(sb, fmt, ...) \ 29a40ecd7bSJoe Perches _udf_warn(sb, __func__, fmt, ##__VA_ARGS__) 307e273e3bSJoe Perches 3178ace70cSJoe Perches #define udf_info(fmt, ...) \ 3278ace70cSJoe Perches pr_info("INFO " fmt, ##__VA_ARGS__) 337e273e3bSJoe Perches 3415aebd28SChristoph Hellwig #undef UDFFS_DEBUG 3515aebd28SChristoph Hellwig 3615aebd28SChristoph Hellwig #ifdef UDFFS_DEBUG 3778ace70cSJoe Perches #define udf_debug(fmt, ...) \ 3878ace70cSJoe Perches printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \ 3978ace70cSJoe Perches __FILE__, __LINE__, __func__, ##__VA_ARGS__) 4015aebd28SChristoph Hellwig #else 4178ace70cSJoe Perches #define udf_debug(fmt, ...) \ 4278ace70cSJoe Perches no_printk(fmt, ##__VA_ARGS__) 4315aebd28SChristoph Hellwig #endif 4415aebd28SChristoph Hellwig 451da177e4SLinus Torvalds #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) 461da177e4SLinus Torvalds #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF 491da177e4SLinus Torvalds #define UDF_EXTENT_FLAG_MASK 0xC0000000 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds #define UDF_NAME_PAD 4 529fba7056SAndrew Gabbasov #define UDF_NAME_LEN 254 539fba7056SAndrew Gabbasov #define UDF_NAME_LEN_CS0 255 541da177e4SLinus Torvalds 55d652eefbSmarcin.slusarz@gmail.com static inline size_t udf_file_entry_alloc_offset(struct inode *inode) 56d652eefbSmarcin.slusarz@gmail.com { 57d652eefbSmarcin.slusarz@gmail.com struct udf_inode_info *iinfo = UDF_I(inode); 58d652eefbSmarcin.slusarz@gmail.com if (iinfo->i_use) 59d652eefbSmarcin.slusarz@gmail.com return sizeof(struct unallocSpaceEntry); 60d652eefbSmarcin.slusarz@gmail.com else if (iinfo->i_efe) 61d652eefbSmarcin.slusarz@gmail.com return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; 62d652eefbSmarcin.slusarz@gmail.com else 63d652eefbSmarcin.slusarz@gmail.com return sizeof(struct fileEntry) + iinfo->i_lenEAttr; 64d652eefbSmarcin.slusarz@gmail.com } 651da177e4SLinus Torvalds 66d652eefbSmarcin.slusarz@gmail.com static inline size_t udf_ext0_offset(struct inode *inode) 67d652eefbSmarcin.slusarz@gmail.com { 68d652eefbSmarcin.slusarz@gmail.com if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) 69d652eefbSmarcin.slusarz@gmail.com return udf_file_entry_alloc_offset(inode); 70d652eefbSmarcin.slusarz@gmail.com else 71d652eefbSmarcin.slusarz@gmail.com return 0; 72d652eefbSmarcin.slusarz@gmail.com } 731da177e4SLinus Torvalds 743f2587bbSMarcin Slusarz /* computes tag checksum */ 755ca4e4beSPekka Enberg u8 udf_tag_checksum(const struct tag *t); 763f2587bbSMarcin Slusarz 771da177e4SLinus Torvalds struct dentry; 781da177e4SLinus Torvalds struct inode; 791da177e4SLinus Torvalds struct task_struct; 801da177e4SLinus Torvalds struct buffer_head; 811da177e4SLinus Torvalds struct super_block; 821da177e4SLinus Torvalds 83221e583aSRasmus Rohde extern const struct export_operations udf_export_ops; 84c5ef1c42SArjan van de Ven extern const struct inode_operations udf_dir_inode_operations; 854b6f5d20SArjan van de Ven extern const struct file_operations udf_dir_operations; 86c5ef1c42SArjan van de Ven extern const struct inode_operations udf_file_inode_operations; 874b6f5d20SArjan van de Ven extern const struct file_operations udf_file_operations; 88f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_aops; 89f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_adinicb_aops; 90f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_symlink_aops; 911da177e4SLinus Torvalds 92cb00ea35SCyrill Gorcunov struct udf_fileident_bh { 931da177e4SLinus Torvalds struct buffer_head *sbh; 941da177e4SLinus Torvalds struct buffer_head *ebh; 951da177e4SLinus Torvalds int soffset; 961da177e4SLinus Torvalds int eoffset; 971da177e4SLinus Torvalds }; 981da177e4SLinus Torvalds 99cb00ea35SCyrill Gorcunov struct udf_vds_record { 1001da177e4SLinus Torvalds uint32_t block; 1011da177e4SLinus Torvalds uint32_t volDescSeqNum; 1021da177e4SLinus Torvalds }; 1031da177e4SLinus Torvalds 104cb00ea35SCyrill Gorcunov struct generic_desc { 1055ca4e4beSPekka Enberg struct tag descTag; 1061da177e4SLinus Torvalds __le32 volDescSeqNum; 1071da177e4SLinus Torvalds }; 1081da177e4SLinus Torvalds 109cb00ea35SCyrill Gorcunov struct ustr { 1101da177e4SLinus Torvalds uint8_t u_cmpID; 1119fba7056SAndrew Gabbasov uint8_t u_name[UDF_NAME_LEN]; 1121da177e4SLinus Torvalds uint8_t u_len; 1131da177e4SLinus Torvalds }; 1141da177e4SLinus Torvalds 115ff116fc8SJan Kara 1161da177e4SLinus Torvalds /* super.c */ 117fab3c858SJoe Perches 118146bca72SJan Kara static inline void udf_updated_lvid(struct super_block *sb) 119146bca72SJan Kara { 120146bca72SJan Kara struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; 121146bca72SJan Kara 122146bca72SJan Kara BUG_ON(!bh); 123146bca72SJan Kara WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) 124146bca72SJan Kara bh->b_data)->integrityType != 125146bca72SJan Kara cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); 126146bca72SJan Kara UDF_SB(sb)->s_lvid_dirty = 1; 127146bca72SJan Kara } 128d664b6afSJan Kara extern u64 lvid_get_unique_id(struct super_block *sb); 1293080a74eSNamjae Jeon struct inode *udf_find_metadata_inode_efe(struct super_block *sb, 1303080a74eSNamjae Jeon u32 meta_file_loc, u32 partition_num); 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvalds /* namei.c */ 133cb00ea35SCyrill Gorcunov extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, 134cb00ea35SCyrill Gorcunov struct fileIdentDesc *, struct udf_fileident_bh *, 135cb00ea35SCyrill Gorcunov uint8_t *, uint8_t *); 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds /* file.c */ 1382f07a88bSJohn Kacur extern long udf_ioctl(struct file *, unsigned int, unsigned long); 1391da177e4SLinus Torvalds /* inode.c */ 1406174c2ebSJan Kara extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, 1416174c2ebSJan Kara bool hidden_inode); 1426174c2ebSJan Kara static inline struct inode *udf_iget_special(struct super_block *sb, 1436174c2ebSJan Kara struct kernel_lb_addr *ino) 1446174c2ebSJan Kara { 1456174c2ebSJan Kara return __udf_iget(sb, ino, true); 1466174c2ebSJan Kara } 1476174c2ebSJan Kara static inline struct inode *udf_iget(struct super_block *sb, 1486174c2ebSJan Kara struct kernel_lb_addr *ino) 1496174c2ebSJan Kara { 1506174c2ebSJan Kara return __udf_iget(sb, ino, false); 1516174c2ebSJan Kara } 1527e49b6f2SJan Kara extern int udf_expand_file_adinicb(struct inode *); 1531da177e4SLinus Torvalds extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); 1541da177e4SLinus Torvalds extern struct buffer_head *udf_bread(struct inode *, int, int, int *); 1557e49b6f2SJan Kara extern int udf_setsize(struct inode *, loff_t); 1563aac2b62SAl Viro extern void udf_evict_inode(struct inode *); 157a9185b41SChristoph Hellwig extern int udf_write_inode(struct inode *, struct writeback_control *wbc); 15860448b1dSJan Kara extern long udf_block_map(struct inode *, sector_t); 159cb00ea35SCyrill Gorcunov extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, 1605ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, sector_t *); 161fcea62baSJan Kara extern int udf_setup_indirect_aext(struct inode *inode, int block, 162fcea62baSJan Kara struct extent_position *epos); 163fcea62baSJan Kara extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, 164fcea62baSJan Kara struct kernel_lb_addr *eloc, uint32_t elen, int inc); 1657e49b6f2SJan Kara extern int udf_add_aext(struct inode *, struct extent_position *, 16697e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, int); 1677e49b6f2SJan Kara extern void udf_write_aext(struct inode *, struct extent_position *, 16897e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, int); 169cb00ea35SCyrill Gorcunov extern int8_t udf_delete_aext(struct inode *, struct extent_position, 1705ca4e4beSPekka Enberg struct kernel_lb_addr, uint32_t); 171cb00ea35SCyrill Gorcunov extern int8_t udf_next_aext(struct inode *, struct extent_position *, 1725ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, int); 173cb00ea35SCyrill Gorcunov extern int8_t udf_current_aext(struct inode *, struct extent_position *, 1745ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, int); 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds /* misc.c */ 1771da177e4SLinus Torvalds extern struct buffer_head *udf_tgetblk(struct super_block *, int); 1781da177e4SLinus Torvalds extern struct buffer_head *udf_tread(struct super_block *, int); 179cb00ea35SCyrill Gorcunov extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, 180cb00ea35SCyrill Gorcunov uint32_t, uint8_t); 181cb00ea35SCyrill Gorcunov extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, 182cb00ea35SCyrill Gorcunov uint8_t); 183cb00ea35SCyrill Gorcunov extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, 184cb00ea35SCyrill Gorcunov uint32_t, uint16_t *); 185cb00ea35SCyrill Gorcunov extern struct buffer_head *udf_read_ptagged(struct super_block *, 18697e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, 187cb00ea35SCyrill Gorcunov uint16_t *); 1881da177e4SLinus Torvalds extern void udf_update_tag(char *, int); 1891da177e4SLinus Torvalds extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds /* lowlevel.c */ 1921da177e4SLinus Torvalds extern unsigned int udf_get_last_session(struct super_block *); 1931da177e4SLinus Torvalds extern unsigned long udf_get_last_block(struct super_block *); 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds /* partition.c */ 196cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, 197cb00ea35SCyrill Gorcunov uint32_t); 198cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, 199cb00ea35SCyrill Gorcunov uint32_t); 200cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, 201cb00ea35SCyrill Gorcunov uint32_t); 202cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, 203cb00ea35SCyrill Gorcunov uint32_t); 204bfb257a5SJan Kara extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, 205bfb257a5SJan Kara uint32_t); 2061da177e4SLinus Torvalds extern int udf_relocate_blocks(struct super_block *, long, long *); 2071da177e4SLinus Torvalds 20897e961fdSPekka Enberg static inline uint32_t 20997e961fdSPekka Enberg udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, 21097e961fdSPekka Enberg uint32_t offset) 21197e961fdSPekka Enberg { 21297e961fdSPekka Enberg return udf_get_pblock(sb, loc->logicalBlockNum, 21397e961fdSPekka Enberg loc->partitionReferenceNum, offset); 21497e961fdSPekka Enberg } 21597e961fdSPekka Enberg 2161da177e4SLinus Torvalds /* unicode.c */ 2170e5cc9a4SJan Kara extern int udf_get_filename(struct super_block *, uint8_t *, int, uint8_t *, 2180e5cc9a4SJan Kara int); 219525e2c56SAndrew Gabbasov extern int udf_put_filename(struct super_block *, const uint8_t *, int, 220525e2c56SAndrew Gabbasov uint8_t *, int); 2211da177e4SLinus Torvalds extern int udf_build_ustr(struct ustr *, dstring *, int); 22279cfe0ffSmarcin.slusarz@gmail.com extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds /* ialloc.c */ 2251da177e4SLinus Torvalds extern void udf_free_inode(struct inode *); 2260b93a92bSAl Viro extern struct inode *udf_new_inode(struct inode *, umode_t); 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds /* truncate.c */ 22974584ae5SJan Kara extern void udf_truncate_tail_extent(struct inode *); 2301da177e4SLinus Torvalds extern void udf_discard_prealloc(struct inode *); 2311da177e4SLinus Torvalds extern void udf_truncate_extents(struct inode *); 2321da177e4SLinus Torvalds 2331da177e4SLinus Torvalds /* balloc.c */ 234cb00ea35SCyrill Gorcunov extern void udf_free_blocks(struct super_block *, struct inode *, 23597e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, uint32_t); 236cb00ea35SCyrill Gorcunov extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, 237cb00ea35SCyrill Gorcunov uint32_t, uint32_t); 238cb00ea35SCyrill Gorcunov extern int udf_new_block(struct super_block *, struct inode *, uint16_t, 239cb00ea35SCyrill Gorcunov uint32_t, int *); 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds /* directory.c */ 242cb00ea35SCyrill Gorcunov extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, 243cb00ea35SCyrill Gorcunov struct udf_fileident_bh *, 244cb00ea35SCyrill Gorcunov struct fileIdentDesc *, 245cb00ea35SCyrill Gorcunov struct extent_position *, 2465ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, 247cb00ea35SCyrill Gorcunov sector_t *); 248cb00ea35SCyrill Gorcunov extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, 249cb00ea35SCyrill Gorcunov int *offset); 2505ca4e4beSPekka Enberg extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); 2515ca4e4beSPekka Enberg extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds /* udftime.c */ 25456774805SMarcin Slusarz extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, 2555ca4e4beSPekka Enberg struct timestamp src); 2565ca4e4beSPekka Enberg extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds #endif /* __UDF_DECL_H */ 259