125 	int (*get_context)(struct inode *inode, void *ctx, size_t len);
143 	int (*set_context)(struct inode *inode, const void *ctx, size_t len,
160 	bool (*empty_dir)(struct inode *inode);
206 fscrypt_get_inode_info(const struct inode *inode)  in fscrypt_get_inode_info()  argument
214 	return smp_load_acquire(&inode->i_crypt_info);  in fscrypt_get_inode_info()
228 static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)  in fscrypt_needs_contents_encryption()  argument
230 	return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);  in fscrypt_needs_contents_encryption()
324 int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page,
330 int fscrypt_decrypt_block_inplace(const struct inode *inode, struct page *page,
361 int fscrypt_has_permitted_context(struct inode *parent, struct inode *child);
362 int fscrypt_context_for_new_inode(void *ctx, struct inode *inode);
363 int fscrypt_set_context(struct inode *inode, void *fs_data);
395 int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode,
397 void fscrypt_put_encryption_info(struct inode *inode);
398 void fscrypt_free_inode(struct inode *inode);
399 int fscrypt_drop_inode(struct inode *inode);
402 int fscrypt_fname_encrypt(const struct inode *inode, const struct qstr *iname,
404 bool fscrypt_fname_encrypted_size(const struct inode *inode, u32 orig_len,
406 int fscrypt_setup_filename(struct inode *inode, const struct qstr *iname,
417 int fscrypt_fname_disk_to_usr(const struct inode *inode,
423 u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name);
427 int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
431 int fscrypt_file_open(struct inode *inode, struct file *filp);
432 int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
434 int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *old_dentry,
435 			     struct inode *new_dir, struct dentry *new_dentry,
437 int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
439 int fscrypt_prepare_lookup_partial(struct inode *dir, struct dentry *dentry);
440 int __fscrypt_prepare_readdir(struct inode *dir);
442 int fscrypt_prepare_setflags(struct inode *inode,
444 int fscrypt_prepare_symlink(struct inode *dir, const char *target,
447 int __fscrypt_encrypt_symlink(struct inode *inode, const char *target,
449 const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
461 fscrypt_get_inode_info(const struct inode *inode)  in fscrypt_get_inode_info()  argument
466 static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)  in fscrypt_needs_contents_encryption()  argument
498 static inline int fscrypt_encrypt_block_inplace(const struct inode *inode,  in fscrypt_encrypt_block_inplace()  argument
513 static inline int fscrypt_decrypt_block_inplace(const struct inode *inode,  in fscrypt_decrypt_block_inplace()  argument
570 static inline int fscrypt_has_permitted_context(struct inode *parent,  in fscrypt_has_permitted_context()
571 						struct inode *child)  in fscrypt_has_permitted_context()
576 static inline int fscrypt_set_context(struct inode *inode, void *fs_data)  in fscrypt_set_context()  argument
644 static inline int fscrypt_prepare_new_inode(struct inode *dir,  in fscrypt_prepare_new_inode()
645 					    struct inode *inode,  in fscrypt_prepare_new_inode()  argument
653 static inline void fscrypt_put_encryption_info(struct inode *inode)  in fscrypt_put_encryption_info()  argument
658 static inline void fscrypt_free_inode(struct inode *inode)  in fscrypt_free_inode()  argument
662 static inline int fscrypt_drop_inode(struct inode *inode)  in fscrypt_drop_inode()  argument
668 static inline int fscrypt_setup_filename(struct inode *dir,  in fscrypt_setup_filename()
698 static inline int fscrypt_fname_disk_to_usr(const struct inode *inode,  in fscrypt_fname_disk_to_usr()  argument
715 static inline u64 fscrypt_fname_siphash(const struct inode *dir,  in fscrypt_fname_siphash()
734 static inline int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,  in fscrypt_zeroout_range()  argument
742 static inline int fscrypt_file_open(struct inode *inode, struct file *filp)  in fscrypt_file_open()  argument
744 	if (IS_ENCRYPTED(inode))  in fscrypt_file_open()
749 static inline int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,  in __fscrypt_prepare_link()  argument
755 static inline int __fscrypt_prepare_rename(struct inode *old_dir,  in __fscrypt_prepare_rename()
757 					   struct inode *new_dir,  in __fscrypt_prepare_rename()
764 static inline int __fscrypt_prepare_lookup(struct inode *dir,  in __fscrypt_prepare_lookup()
771 static inline int fscrypt_prepare_lookup_partial(struct inode *dir,  in fscrypt_prepare_lookup_partial()
777 static inline int __fscrypt_prepare_readdir(struct inode *dir)  in __fscrypt_prepare_readdir()
788 static inline int fscrypt_prepare_setflags(struct inode *inode,  in fscrypt_prepare_setflags()  argument
795 static inline int fscrypt_prepare_symlink(struct inode *dir,  in fscrypt_prepare_symlink()
810 static inline int __fscrypt_encrypt_symlink(struct inode *inode,  in __fscrypt_encrypt_symlink()  argument
818 static inline const char *fscrypt_get_symlink(struct inode *inode,  in fscrypt_get_symlink()  argument
842 bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode);
845 			       const struct inode *inode, u64 first_lblk,
852 bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
858 bool fscrypt_dio_supported(struct inode *inode);
860 u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
864 static inline bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)  in __fscrypt_inode_uses_inline_crypto()  argument
870 					     const struct inode *inode,  in fscrypt_set_bio_crypt_ctx()  argument
879 					 const struct inode *inode,  in fscrypt_mergeable_bio()  argument
891 static inline bool fscrypt_dio_supported(struct inode *inode)  in fscrypt_dio_supported()  argument
893 	return !fscrypt_needs_contents_encryption(inode);  in fscrypt_dio_supported()
896 static inline u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk,  in fscrypt_limit_io_blocks()  argument
905 fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)  in fscrypt_inode_should_skip_dm_default_key()  argument
907 	return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);  in fscrypt_inode_should_skip_dm_default_key()
911 fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)  in fscrypt_inode_should_skip_dm_default_key()  argument
926 static inline bool fscrypt_inode_uses_inline_crypto(const struct inode *inode)  in fscrypt_inode_uses_inline_crypto()  argument
928 	return fscrypt_needs_contents_encryption(inode) &&  in fscrypt_inode_uses_inline_crypto()
929 	       __fscrypt_inode_uses_inline_crypto(inode);  in fscrypt_inode_uses_inline_crypto()
941 static inline bool fscrypt_inode_uses_fs_layer_crypto(const struct inode *inode)  in fscrypt_inode_uses_fs_layer_crypto()  argument
943 	return fscrypt_needs_contents_encryption(inode) &&  in fscrypt_inode_uses_fs_layer_crypto()
944 	       !__fscrypt_inode_uses_inline_crypto(inode);  in fscrypt_inode_uses_fs_layer_crypto()
956 static inline bool fscrypt_has_encryption_key(const struct inode *inode)  in fscrypt_has_encryption_key()  argument
958 	return fscrypt_get_inode_info(inode) != NULL;  in fscrypt_has_encryption_key()
980 				       struct inode *dir,  in fscrypt_prepare_link()
1010 static inline int fscrypt_prepare_rename(struct inode *old_dir,  in fscrypt_prepare_rename()
1012 					 struct inode *new_dir,  in fscrypt_prepare_rename()
1045 static inline int fscrypt_prepare_lookup(struct inode *dir,  in fscrypt_prepare_lookup()
1075 static inline int fscrypt_prepare_readdir(struct inode *dir)  in fscrypt_prepare_readdir()
1123 static inline int fscrypt_encrypt_symlink(struct inode *inode,  in fscrypt_encrypt_symlink()  argument
1128 	if (IS_ENCRYPTED(inode))  in fscrypt_encrypt_symlink()
1129 		return __fscrypt_encrypt_symlink(inode, target, len, disk_link);  in fscrypt_encrypt_symlink()