61 	int (*get_context)(struct inode *inode, void *ctx, size_t len);
62 	int (*set_context)(struct inode *inode, const void *ctx, size_t len,
65 	bool (*empty_dir)(struct inode *inode);
82 static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode)  in fscrypt_get_info()  argument
90 	return smp_load_acquire(&inode->i_crypt_info);  in fscrypt_get_info()
104 static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)  in fscrypt_needs_contents_encryption()  argument
106 	return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);  in fscrypt_needs_contents_encryption()
157 int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page,
163 int fscrypt_decrypt_block_inplace(const struct inode *inode, struct page *page,
184 int fscrypt_has_permitted_context(struct inode *parent, struct inode *child);
185 int fscrypt_set_context(struct inode *inode, void *fs_data);
210 int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode,
212 void fscrypt_put_encryption_info(struct inode *inode);
213 void fscrypt_free_inode(struct inode *inode);
214 int fscrypt_drop_inode(struct inode *inode);
217 int fscrypt_setup_filename(struct inode *inode, const struct qstr *iname,
228 int fscrypt_fname_disk_to_usr(const struct inode *inode,
234 u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name);
239 int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
243 int fscrypt_file_open(struct inode *inode, struct file *filp);
244 int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
246 int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *old_dentry,
247 			     struct inode *new_dir, struct dentry *new_dentry,
249 int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
251 int __fscrypt_prepare_readdir(struct inode *dir);
253 int fscrypt_prepare_setflags(struct inode *inode,
255 int fscrypt_prepare_symlink(struct inode *dir, const char *target,
258 int __fscrypt_encrypt_symlink(struct inode *inode, const char *target,
260 const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
271 static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode)  in fscrypt_get_info()  argument
276 static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)  in fscrypt_needs_contents_encryption()  argument
303 static inline int fscrypt_encrypt_block_inplace(const struct inode *inode,  in fscrypt_encrypt_block_inplace()  argument
319 static inline int fscrypt_decrypt_block_inplace(const struct inode *inode,  in fscrypt_decrypt_block_inplace()  argument
365 static inline int fscrypt_has_permitted_context(struct inode *parent,  in fscrypt_has_permitted_context()
366 						struct inode *child)  in fscrypt_has_permitted_context()
371 static inline int fscrypt_set_context(struct inode *inode, void *fs_data)  in fscrypt_set_context()  argument
419 static inline int fscrypt_prepare_new_inode(struct inode *dir,  in fscrypt_prepare_new_inode()
420 					    struct inode *inode,  in fscrypt_prepare_new_inode()  argument
428 static inline void fscrypt_put_encryption_info(struct inode *inode)  in fscrypt_put_encryption_info()  argument
433 static inline void fscrypt_free_inode(struct inode *inode)  in fscrypt_free_inode()  argument
437 static inline int fscrypt_drop_inode(struct inode *inode)  in fscrypt_drop_inode()  argument
443 static inline int fscrypt_setup_filename(struct inode *dir,  in fscrypt_setup_filename()
473 static inline int fscrypt_fname_disk_to_usr(const struct inode *inode,  in fscrypt_fname_disk_to_usr()  argument
490 static inline u64 fscrypt_fname_siphash(const struct inode *dir,  in fscrypt_fname_siphash()
508 static inline int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,  in fscrypt_zeroout_range()  argument
516 static inline int fscrypt_file_open(struct inode *inode, struct file *filp)  in fscrypt_file_open()  argument
518 	if (IS_ENCRYPTED(inode))  in fscrypt_file_open()
523 static inline int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,  in __fscrypt_prepare_link()  argument
529 static inline int __fscrypt_prepare_rename(struct inode *old_dir,  in __fscrypt_prepare_rename()
531 					   struct inode *new_dir,  in __fscrypt_prepare_rename()
538 static inline int __fscrypt_prepare_lookup(struct inode *dir,  in __fscrypt_prepare_lookup()
545 static inline int __fscrypt_prepare_readdir(struct inode *dir)  in __fscrypt_prepare_readdir()
556 static inline int fscrypt_prepare_setflags(struct inode *inode,  in fscrypt_prepare_setflags()  argument
563 static inline int fscrypt_prepare_symlink(struct inode *dir,  in fscrypt_prepare_symlink()
578 static inline int __fscrypt_encrypt_symlink(struct inode *inode,  in __fscrypt_encrypt_symlink()  argument
586 static inline const char *fscrypt_get_symlink(struct inode *inode,  in fscrypt_get_symlink()  argument
610 bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode);
613 			       const struct inode *inode, u64 first_lblk,
620 bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
628 u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
632 static inline bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)  in __fscrypt_inode_uses_inline_crypto()  argument
638 					     const struct inode *inode,  in fscrypt_set_bio_crypt_ctx()  argument
647 					 const struct inode *inode,  in fscrypt_mergeable_bio()  argument
662 	const struct inode *inode = file_inode(iocb->ki_filp);  in fscrypt_dio_supported()  local
664 	return !fscrypt_needs_contents_encryption(inode);  in fscrypt_dio_supported()
667 static inline u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk,  in fscrypt_limit_io_blocks()  argument
676 fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)  in fscrypt_inode_should_skip_dm_default_key()  argument
678 	return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);  in fscrypt_inode_should_skip_dm_default_key()
682 fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)  in fscrypt_inode_should_skip_dm_default_key()  argument
697 static inline bool fscrypt_inode_uses_inline_crypto(const struct inode *inode)  in fscrypt_inode_uses_inline_crypto()  argument
699 	return fscrypt_needs_contents_encryption(inode) &&  in fscrypt_inode_uses_inline_crypto()
700 	       __fscrypt_inode_uses_inline_crypto(inode);  in fscrypt_inode_uses_inline_crypto()
712 static inline bool fscrypt_inode_uses_fs_layer_crypto(const struct inode *inode)  in fscrypt_inode_uses_fs_layer_crypto()  argument
714 	return fscrypt_needs_contents_encryption(inode) &&  in fscrypt_inode_uses_fs_layer_crypto()
715 	       !__fscrypt_inode_uses_inline_crypto(inode);  in fscrypt_inode_uses_fs_layer_crypto()
727 static inline bool fscrypt_has_encryption_key(const struct inode *inode)  in fscrypt_has_encryption_key()  argument
729 	return fscrypt_get_info(inode) != NULL;  in fscrypt_has_encryption_key()
751 				       struct inode *dir,  in fscrypt_prepare_link()
781 static inline int fscrypt_prepare_rename(struct inode *old_dir,  in fscrypt_prepare_rename()
783 					 struct inode *new_dir,  in fscrypt_prepare_rename()
816 static inline int fscrypt_prepare_lookup(struct inode *dir,  in fscrypt_prepare_lookup()
843 static inline int fscrypt_prepare_readdir(struct inode *dir)  in fscrypt_prepare_readdir()
891 static inline int fscrypt_encrypt_symlink(struct inode *inode,  in fscrypt_encrypt_symlink()  argument
896 	if (IS_ENCRYPTED(inode))  in fscrypt_encrypt_symlink()
897 		return __fscrypt_encrypt_symlink(inode, target, len, disk_link);  in fscrypt_encrypt_symlink()