/* SPDX-License-Identifier: GPL-2.0 */ #ifdef pr_fmt #undef pr_fmt #endif #define pr_fmt(fmt) … #include <linux/types.h> #include <linux/fs.h> #include <linux/buffer_head.h> #include "amigaffs.h" #include <linux/mutex.h> #include <linux/workqueue.h> /* Ugly macros make the code more pretty. */ #define GET_END_PTR(st,p,sz) … #define AFFS_GET_HASHENTRY(data,hashkey) … #define AFFS_BLOCK(sb, bh, blk) … #define AFFS_HEAD(bh) … #define AFFS_TAIL(sb, bh) … #define AFFS_ROOT_HEAD(bh) … #define AFFS_ROOT_TAIL(sb, bh) … #define AFFS_DATA_HEAD(bh) … #define AFFS_DATA(bh) … #define AFFS_CACHE_SIZE … #define AFFS_LC_SIZE … #define AFFS_AC_SIZE … #define AFFS_AC_MASK … #define AFFSNAMEMAX … struct affs_ext_key { … }; /* * affs fs inode data in memory */ struct affs_inode_info { … }; /* short cut to get to the affs specific inode data */ static inline struct affs_inode_info *AFFS_I(struct inode *inode) { … } /* * super-block data in memory * * Block numbers are adjusted for their actual size * */ struct affs_bm_info { … }; struct affs_sb_info { … }; #define AFFS_MOUNT_SF_INTL … #define AFFS_MOUNT_SF_BM_VALID … #define AFFS_MOUNT_SF_IMMUTABLE … #define AFFS_MOUNT_SF_QUIET … #define AFFS_MOUNT_SF_SETUID … #define AFFS_MOUNT_SF_SETGID … #define AFFS_MOUNT_SF_SETMODE … #define AFFS_MOUNT_SF_MUFS … #define AFFS_MOUNT_SF_OFS … #define AFFS_MOUNT_SF_PREFIX … #define AFFS_MOUNT_SF_VERBOSE … #define AFFS_MOUNT_SF_NO_TRUNCATE … #define affs_clear_opt(o, opt) … #define affs_set_opt(o, opt) … #define affs_test_opt(o, opt) … /* short cut to get to the affs specific sb data */ static inline struct affs_sb_info *AFFS_SB(struct super_block *sb) { … } void affs_mark_sb_dirty(struct super_block *sb); /* amigaffs.c */ extern int affs_insert_hash(struct inode *inode, struct buffer_head *bh); extern int affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh); extern int affs_remove_header(struct dentry *dentry); extern u32 affs_checksum_block(struct super_block *sb, struct buffer_head *bh); extern void affs_fix_checksum(struct super_block *sb, struct buffer_head *bh); extern void affs_secs_to_datestamp(time64_t secs, struct affs_date *ds); extern umode_t affs_prot_to_mode(u32 prot); extern void affs_mode_to_prot(struct inode *inode); __printf(3, 4) extern void affs_error(struct super_block *sb, const char *function, const char *fmt, ...); __printf(3, 4) extern void affs_warning(struct super_block *sb, const char *function, const char *fmt, ...); extern bool affs_nofilenametruncate(const struct dentry *dentry); extern int affs_check_name(const unsigned char *name, int len, bool notruncate); extern int affs_copy_name(unsigned char *bstr, struct dentry *dentry); /* bitmap. c */ extern u32 affs_count_free_blocks(struct super_block *s); extern void affs_free_block(struct super_block *sb, u32 block); extern u32 affs_alloc_block(struct inode *inode, u32 goal); extern int affs_init_bitmap(struct super_block *sb, int *flags); extern void affs_free_bitmap(struct super_block *sb); /* namei.c */ extern const struct export_operations affs_export_ops; extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len); extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int); extern int affs_unlink(struct inode *dir, struct dentry *dentry); extern int affs_create(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode, bool); extern int affs_mkdir(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode); extern int affs_rmdir(struct inode *dir, struct dentry *dentry); extern int affs_link(struct dentry *olddentry, struct inode *dir, struct dentry *dentry); extern int affs_symlink(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, const char *symname); extern int affs_rename2(struct mnt_idmap *idmap, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags); /* inode.c */ extern struct inode *affs_new_inode(struct inode *dir); extern int affs_notify_change(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); extern void affs_evict_inode(struct inode *inode); extern struct inode *affs_iget(struct super_block *sb, unsigned long ino); extern int affs_write_inode(struct inode *inode, struct writeback_control *wbc); extern int affs_add_entry(struct inode *dir, struct inode *inode, struct dentry *dentry, s32 type); /* file.c */ void affs_free_prealloc(struct inode *inode); extern void affs_truncate(struct inode *); int affs_file_fsync(struct file *, loff_t, loff_t, int); /* dir.c */ extern void affs_dir_truncate(struct inode *); /* jump tables */ extern const struct inode_operations affs_file_inode_operations; extern const struct inode_operations affs_dir_inode_operations; extern const struct inode_operations affs_symlink_inode_operations; extern const struct file_operations affs_file_operations; extern const struct file_operations affs_file_operations_ofs; extern const struct file_operations affs_dir_operations; extern const struct address_space_operations affs_symlink_aops; extern const struct address_space_operations affs_aops; extern const struct address_space_operations affs_aops_ofs; extern const struct dentry_operations affs_dentry_operations; extern const struct dentry_operations affs_intl_dentry_operations; static inline bool affs_validblock(struct super_block *sb, int block) { … } static inline void affs_set_blocksize(struct super_block *sb, int size) { … } static inline struct buffer_head * affs_bread(struct super_block *sb, int block) { … } static inline struct buffer_head * affs_getblk(struct super_block *sb, int block) { … } static inline struct buffer_head * affs_getzeroblk(struct super_block *sb, int block) { … } static inline struct buffer_head * affs_getemptyblk(struct super_block *sb, int block) { … } static inline void affs_brelse(struct buffer_head *bh) { … } static inline void affs_adjust_checksum(struct buffer_head *bh, u32 val) { … } static inline void affs_adjust_bitmapchecksum(struct buffer_head *bh, u32 val) { … } static inline void affs_lock_link(struct inode *inode) { … } static inline void affs_unlock_link(struct inode *inode) { … } static inline void affs_lock_dir(struct inode *inode) { … } static inline void affs_unlock_dir(struct inode *inode) { … } static inline void affs_lock_ext(struct inode *inode) { … } static inline void affs_unlock_ext(struct inode *inode) { … }
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