Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef __UDF_DECL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define __UDF_DECL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #define pr_fmt(fmt) "UDF-fs: " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include "ecma_167.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "osta_udf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/buffer_head.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/udf_fs_i.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include "udf_sb.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include "udfend.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "udf_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define UDF_DEFAULT_PREALLOC_BLOCKS	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) extern __printf(3, 4) void _udf_err(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 		const char *function, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define udf_err(sb, fmt, ...)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	_udf_err(sb, __func__, fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) extern __printf(3, 4) void _udf_warn(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		const char *function, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define udf_warn(sb, fmt, ...)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	_udf_warn(sb, __func__, fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define udf_info(fmt, ...)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	pr_info("INFO " fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define udf_debug(fmt, ...)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	pr_debug("%s:%d:%s: " fmt, __FILE__, __LINE__, __func__, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define UDF_EXTENT_LENGTH_MASK	0x3FFFFFFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define UDF_EXTENT_FLAG_MASK	0xC0000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define UDF_INVALID_ID ((uint32_t)-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define UDF_NAME_PAD		4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define UDF_NAME_LEN		254
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define UDF_NAME_LEN_CS0	255
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) static inline size_t udf_file_entry_alloc_offset(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	struct udf_inode_info *iinfo = UDF_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	if (iinfo->i_use)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		return sizeof(struct unallocSpaceEntry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	else if (iinfo->i_efe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		return sizeof(struct fileEntry) + iinfo->i_lenEAttr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) static inline size_t udf_ext0_offset(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		return udf_file_entry_alloc_offset(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) /* computes tag checksum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) u8 udf_tag_checksum(const struct tag *t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) typedef uint32_t udf_pblk_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) struct dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) struct inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) struct task_struct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) struct buffer_head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) struct super_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) extern const struct export_operations udf_export_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) extern const struct inode_operations udf_dir_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) extern const struct file_operations udf_dir_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) extern const struct inode_operations udf_file_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) extern const struct file_operations udf_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) extern const struct inode_operations udf_symlink_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) extern const struct address_space_operations udf_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) extern const struct address_space_operations udf_adinicb_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) extern const struct address_space_operations udf_symlink_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) struct udf_fileident_bh {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	struct buffer_head *sbh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	struct buffer_head *ebh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	int soffset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	int eoffset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) struct udf_vds_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	uint32_t block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	uint32_t volDescSeqNum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct generic_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	struct tag	descTag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	__le32		volDescSeqNum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* super.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static inline void udf_updated_lvid(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	BUG_ON(!bh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		     bh->b_data)->integrityType !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		     cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	UDF_SB(sb)->s_lvid_dirty = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) extern u64 lvid_get_unique_id(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 					u32 meta_file_loc, u32 partition_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /* namei.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 			struct fileIdentDesc *, struct udf_fileident_bh *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			uint8_t *, uint8_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	return ALIGN(sizeof(struct fileIdentDesc) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		UDF_NAME_PAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /* file.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) extern long udf_ioctl(struct file *, unsigned int, unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* inode.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 				bool hidden_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static inline struct inode *udf_iget_special(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 					     struct kernel_lb_addr *ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	return __udf_iget(sb, ino, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static inline struct inode *udf_iget(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 				     struct kernel_lb_addr *ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	return __udf_iget(sb, ino, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) extern int udf_expand_file_adinicb(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 						  udf_pblk_t *block, int *err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 				      int create, int *err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) extern int udf_setsize(struct inode *, loff_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) extern void udf_evict_inode(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 			 struct kernel_lb_addr *, uint32_t *, sector_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 				   struct extent_position *epos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			  struct kernel_lb_addr *eloc, uint32_t elen, int inc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) extern int udf_add_aext(struct inode *, struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 			struct kernel_lb_addr *, uint32_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) extern void udf_write_aext(struct inode *, struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 			   struct kernel_lb_addr *, uint32_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) extern int8_t udf_delete_aext(struct inode *, struct extent_position);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) extern int8_t udf_next_aext(struct inode *, struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 			    struct kernel_lb_addr *, uint32_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) extern int8_t udf_current_aext(struct inode *, struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 			       struct kernel_lb_addr *, uint32_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) extern void udf_update_extra_perms(struct inode *inode, umode_t mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /* misc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) extern struct buffer_head *udf_tgetblk(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 					udf_pblk_t block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 						  uint32_t, uint8_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 						  uint8_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 					   uint32_t, uint16_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) extern struct buffer_head *udf_read_ptagged(struct super_block *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 					    struct kernel_lb_addr *, uint32_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 					    uint16_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) extern void udf_update_tag(char *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* lowlevel.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) extern unsigned int udf_get_last_session(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) extern unsigned long udf_get_last_block(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) /* partition.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			       uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				      uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 				      uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 				      uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 					  uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) extern int udf_relocate_blocks(struct super_block *, long, long *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static inline uint32_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		  uint32_t offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	return udf_get_pblock(sb, loc->logicalBlockNum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			loc->partitionReferenceNum, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) /* unicode.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) extern int udf_get_filename(struct super_block *, const uint8_t *, int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			    uint8_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) extern int udf_put_filename(struct super_block *, const uint8_t *, int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			    uint8_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 			     const uint8_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /* ialloc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) extern void udf_free_inode(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) extern struct inode *udf_new_inode(struct inode *, umode_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) /* truncate.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) extern void udf_truncate_tail_extent(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) extern void udf_discard_prealloc(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) extern int udf_truncate_extents(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) /* balloc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) extern void udf_free_blocks(struct super_block *, struct inode *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 			    struct kernel_lb_addr *, uint32_t, uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			       uint32_t, uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 				 uint16_t partition, uint32_t goal, int *err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) /* directory.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 						struct udf_fileident_bh *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 						struct fileIdentDesc *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 						struct extent_position *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 						struct kernel_lb_addr *, uint32_t *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 						sector_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 					       int *offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) /* udftime.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) extern void udf_disk_stamp_to_time(struct timespec64 *dest,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 						struct timestamp src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) #endif				/* __UDF_DECL_H */