| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __UDF_DECL_H |
| #define __UDF_DECL_H |
| |
| #define pr_fmt(fmt) "UDF-fs: " fmt |
| |
| #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_DEFAULT_PREALLOC_BLOCKS 8 |
| |
| extern __printf(3, 4) void _udf_err(struct super_block *sb, |
| const char *function, const char *fmt, ...); |
| #define udf_err(sb, fmt, ...) \ |
| _udf_err(sb, __func__, fmt, ##__VA_ARGS__) |
| |
| extern __printf(3, 4) void _udf_warn(struct super_block *sb, |
| const char *function, const char *fmt, ...); |
| #define udf_warn(sb, fmt, ...) \ |
| _udf_warn(sb, __func__, fmt, ##__VA_ARGS__) |
| |
| #define udf_info(fmt, ...) \ |
| pr_info("INFO " fmt, ##__VA_ARGS__) |
| |
| #undef UDFFS_DEBUG |
| |
| #ifdef UDFFS_DEBUG |
| #define udf_debug(fmt, ...) \ |
| printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \ |
| __FILE__, __LINE__, __func__, ##__VA_ARGS__) |
| #else |
| #define udf_debug(fmt, ...) \ |
| no_printk(fmt, ##__VA_ARGS__) |
| #endif |
| |
| #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_INVALID_ID ((uint32_t)-1) |
| |
| #define UDF_NAME_PAD 4 |
| #define UDF_NAME_LEN 254 |
| #define UDF_NAME_LEN_CS0 255 |
| |
| 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; |
| } |
| |
| /* computes tag checksum */ |
| u8 udf_tag_checksum(const struct tag *t); |
| |
| typedef uint32_t udf_pblk_t; |
| |
| struct dentry; |
| struct inode; |
| struct task_struct; |
| struct buffer_head; |
| struct super_block; |
| |
| extern const struct export_operations udf_export_ops; |
| 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 inode_operations udf_symlink_inode_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 { |
| struct tag descTag; |
| __le32 volDescSeqNum; |
| }; |
| |
| |
| /* super.c */ |
| |
| static inline void udf_updated_lvid(struct super_block *sb) |
| { |
| struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; |
| |
| BUG_ON(!bh); |
| WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) |
| bh->b_data)->integrityType != |
| cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); |
| UDF_SB(sb)->s_lvid_dirty = 1; |
| } |
| extern u64 lvid_get_unique_id(struct super_block *sb); |
| struct inode *udf_find_metadata_inode_efe(struct super_block *sb, |
| u32 meta_file_loc, u32 partition_num); |
| |
| /* 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 long udf_ioctl(struct file *, unsigned int, unsigned long); |
| /* inode.c */ |
| extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |
| bool hidden_inode); |
| static inline struct inode *udf_iget_special(struct super_block *sb, |
| struct kernel_lb_addr *ino) |
| { |
| return __udf_iget(sb, ino, true); |
| } |
| static inline struct inode *udf_iget(struct super_block *sb, |
| struct kernel_lb_addr *ino) |
| { |
| return __udf_iget(sb, ino, false); |
| } |
| extern int udf_expand_file_adinicb(struct inode *); |
| extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, |
| udf_pblk_t *block, int *err); |
| extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, |
| int create, int *err); |
| extern int udf_setsize(struct inode *, loff_t); |
| extern void udf_evict_inode(struct inode *); |
| extern int udf_write_inode(struct inode *, struct writeback_control *wbc); |
| extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block); |
| extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
| struct kernel_lb_addr *, uint32_t *, sector_t *); |
| extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block, |
| struct extent_position *epos); |
| extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, |
| struct kernel_lb_addr *eloc, uint32_t elen, int inc); |
| extern int udf_add_aext(struct inode *, struct extent_position *, |
| struct kernel_lb_addr *, uint32_t, int); |
| extern void udf_write_aext(struct inode *, struct extent_position *, |
| struct kernel_lb_addr *, uint32_t, int); |
| extern int8_t udf_delete_aext(struct inode *, struct extent_position, |
| struct kernel_lb_addr, uint32_t); |
| extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
| struct kernel_lb_addr *, uint32_t *, int); |
| extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
| struct kernel_lb_addr *, uint32_t *, int); |
| |
| /* misc.c */ |
| extern struct buffer_head *udf_tgetblk(struct super_block *sb, |
| udf_pblk_t block); |
| extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block); |
| 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 *, |
| struct 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 uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
| uint32_t); |
| extern int udf_relocate_blocks(struct super_block *, long, long *); |
| |
| static inline uint32_t |
| udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, |
| uint32_t offset) |
| { |
| return udf_get_pblock(sb, loc->logicalBlockNum, |
| loc->partitionReferenceNum, offset); |
| } |
| |
| /* unicode.c */ |
| extern int udf_get_filename(struct super_block *, const uint8_t *, int, |
| uint8_t *, int); |
| extern int udf_put_filename(struct super_block *, const uint8_t *, int, |
| uint8_t *, int); |
| extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int, |
| const uint8_t *, int); |
| |
| /* ialloc.c */ |
| extern void udf_free_inode(struct inode *); |
| extern struct inode *udf_new_inode(struct inode *, umode_t); |
| |
| /* 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 *, |
| struct kernel_lb_addr *, uint32_t, uint32_t); |
| extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
| uint32_t, uint32_t); |
| extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode, |
| uint16_t partition, uint32_t goal, int *err); |
| |
| /* directory.c */ |
| extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
| struct udf_fileident_bh *, |
| struct fileIdentDesc *, |
| struct extent_position *, |
| struct kernel_lb_addr *, uint32_t *, |
| sector_t *); |
| extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, |
| int *offset); |
| extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
| extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); |
| |
| /* udftime.c */ |
| extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, |
| struct timestamp src); |
| extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); |
| |
| #endif /* __UDF_DECL_H */ |