54 static int ecryptfs_inode_test(struct inode *inode, void *lower_inode)  in ecryptfs_inode_test()  argument
56 	return ecryptfs_inode_to_lower(inode) == lower_inode;  in ecryptfs_inode_test()
59 static int ecryptfs_inode_set(struct inode *inode, void *opaque)  in ecryptfs_inode_set()  argument
61 	struct inode *lower_inode = opaque;  in ecryptfs_inode_set()
63 	ecryptfs_set_inode_lower(inode, lower_inode);  in ecryptfs_inode_set()
64 	fsstack_copy_attr_all(inode, lower_inode);  in ecryptfs_inode_set()
66 	fsstack_copy_inode_size(inode, lower_inode);  in ecryptfs_inode_set()
67 	inode->i_ino = lower_inode->i_ino;  in ecryptfs_inode_set()
68 	inode->i_version++;  in ecryptfs_inode_set()
69 	inode->i_mapping->a_ops = &ecryptfs_aops;  in ecryptfs_inode_set()
71 	if (S_ISLNK(inode->i_mode))  in ecryptfs_inode_set()
72 		inode->i_op = &ecryptfs_symlink_iops;  in ecryptfs_inode_set()
73 	else if (S_ISDIR(inode->i_mode))  in ecryptfs_inode_set()
74 		inode->i_op = &ecryptfs_dir_iops;  in ecryptfs_inode_set()
76 		inode->i_op = &ecryptfs_main_iops;  in ecryptfs_inode_set()
78 	if (S_ISDIR(inode->i_mode))  in ecryptfs_inode_set()
79 		inode->i_fop = &ecryptfs_dir_fops;  in ecryptfs_inode_set()
80 	else if (special_file(inode->i_mode))  in ecryptfs_inode_set()
81 		init_special_inode(inode, inode->i_mode, inode->i_rdev);  in ecryptfs_inode_set()
83 		inode->i_fop = &ecryptfs_main_fops;  in ecryptfs_inode_set()
88 static struct inode *__ecryptfs_get_inode(struct inode *lower_inode,  in __ecryptfs_get_inode()
91 	struct inode *inode;  in __ecryptfs_get_inode()  local
97 	inode = iget5_locked(sb, (unsigned long)lower_inode,  in __ecryptfs_get_inode()
100 	if (!inode) {  in __ecryptfs_get_inode()
104 	if (!(inode->i_state & I_NEW))  in __ecryptfs_get_inode()
107 	return inode;  in __ecryptfs_get_inode()
110 struct inode *ecryptfs_get_inode(struct inode *lower_inode,  in ecryptfs_get_inode()
113 	struct inode *inode = __ecryptfs_get_inode(lower_inode, sb);  in ecryptfs_get_inode()  local
115 	if (!IS_ERR(inode) && (inode->i_state & I_NEW))  in ecryptfs_get_inode()
116 		unlock_new_inode(inode);  in ecryptfs_get_inode()
118 	return inode;  in ecryptfs_get_inode()
134 	struct inode *inode = ecryptfs_get_inode(d_inode(lower_dentry), sb);  in ecryptfs_interpose()  local
136 	if (IS_ERR(inode))  in ecryptfs_interpose()
137 		return PTR_ERR(inode);  in ecryptfs_interpose()
138 	d_instantiate(dentry, inode);  in ecryptfs_interpose()
143 static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry,  in ecryptfs_do_unlink()
144 			      struct inode *inode)  in ecryptfs_do_unlink()  argument
147 	struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);  in ecryptfs_do_unlink()
159 	set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink);  in ecryptfs_do_unlink()
160 	inode->i_ctime = dir->i_ctime;  in ecryptfs_do_unlink()
181 static struct inode *
182 ecryptfs_do_create(struct inode *directory_inode,  in ecryptfs_do_create()
188 	struct inode *inode;  in ecryptfs_do_create()  local
196 		inode = ERR_PTR(rc);  in ecryptfs_do_create()
199 	inode = __ecryptfs_get_inode(d_inode(lower_dentry),  in ecryptfs_do_create()
201 	if (IS_ERR(inode)) {  in ecryptfs_do_create()
209 	return inode;  in ecryptfs_do_create()
221 			     struct inode *ecryptfs_inode)  in ecryptfs_initialize_file()
266 ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,  in ecryptfs_create()
269 	struct inode *ecryptfs_inode;  in ecryptfs_create()
297 static int ecryptfs_i_size_read(struct dentry *dentry, struct inode *inode)  in ecryptfs_i_size_read()  argument
302 	rc = ecryptfs_get_lower_file(dentry, inode);  in ecryptfs_i_size_read()
311 	crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;  in ecryptfs_i_size_read()
316 	rc = ecryptfs_read_and_validate_header_region(inode);  in ecryptfs_i_size_read()
317 	ecryptfs_put_lower_file(inode);  in ecryptfs_i_size_read()
319 		rc = ecryptfs_read_and_validate_xattr_region(dentry, inode);  in ecryptfs_i_size_read()
333 				     struct inode *dir_inode)  in ecryptfs_lookup_interpose()
335 	struct inode *inode, *lower_inode = d_inode(lower_dentry);  in ecryptfs_lookup_interpose()  local
362 	inode = __ecryptfs_get_inode(lower_inode, dir_inode->i_sb);  in ecryptfs_lookup_interpose()
363 	if (IS_ERR(inode)) {  in ecryptfs_lookup_interpose()
365 		       __func__, PTR_ERR(inode));  in ecryptfs_lookup_interpose()
366 		return PTR_ERR(inode);  in ecryptfs_lookup_interpose()
368 	if (S_ISREG(inode->i_mode)) {  in ecryptfs_lookup_interpose()
369 		rc = ecryptfs_i_size_read(dentry, inode);  in ecryptfs_lookup_interpose()
371 			make_bad_inode(inode);  in ecryptfs_lookup_interpose()
376 	if (inode->i_state & I_NEW)  in ecryptfs_lookup_interpose()
377 		unlock_new_inode(inode);  in ecryptfs_lookup_interpose()
378 	d_add(dentry, inode);  in ecryptfs_lookup_interpose()
392 static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,  in ecryptfs_lookup()
452 static int ecryptfs_link(struct dentry *old_dentry, struct inode *dir,  in ecryptfs_link()
486 static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)  in ecryptfs_unlink()
491 static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,  in ecryptfs_symlink()
531 static int ecryptfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in ecryptfs_mkdir()
555 static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry)  in ecryptfs_rmdir()
579 ecryptfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)  in ecryptfs_mknod()
603 ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,  in ecryptfs_rename()
604 		struct inode *new_dir, struct dentry *new_dentry)  in ecryptfs_rename()
612 	struct inode *target_inode;  in ecryptfs_rename()
741 	struct inode *inode = d_inode(dentry);  in truncate_upper()  local
743 	loff_t i_size = i_size_read(inode);  in truncate_upper()
751 	rc = ecryptfs_get_lower_file(dentry, inode);  in truncate_upper()
764 		rc = ecryptfs_write(inode, zero,  in truncate_upper()
775 			truncate_setsize(inode, ia->ia_size);  in truncate_upper()
788 			rc = ecryptfs_write(inode, zeros_virt,  in truncate_upper()
798 		truncate_setsize(inode, ia->ia_size);  in truncate_upper()
799 		rc = ecryptfs_write_inode_size_to_metadata(inode);  in truncate_upper()
819 	ecryptfs_put_lower_file(inode);  in truncate_upper()
823 static int ecryptfs_inode_newsize_ok(struct inode *inode, loff_t offset)  in ecryptfs_inode_newsize_ok()  argument
828 	crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;  in ecryptfs_inode_newsize_ok()
830 						 i_size_read(inode));  in ecryptfs_inode_newsize_ok()
839 		return inode_newsize_ok(inode, lower_newsize);  in ecryptfs_inode_newsize_ok()
877 ecryptfs_permission(struct inode *inode, int mask)  in ecryptfs_permission()  argument
879 	return inode_permission(ecryptfs_inode_to_lower(inode), mask);  in ecryptfs_permission()
899 	struct inode *inode;  in ecryptfs_setattr()  local
900 	struct inode *lower_inode;  in ecryptfs_setattr()
906 	inode = d_inode(dentry);  in ecryptfs_setattr()
907 	lower_inode = ecryptfs_inode_to_lower(inode);  in ecryptfs_setattr()
919 		rc = ecryptfs_get_lower_file(dentry, inode);  in ecryptfs_setattr()
925 		ecryptfs_put_lower_file(inode);  in ecryptfs_setattr()
945 	rc = inode_change_ok(inode, ia);  in ecryptfs_setattr()
949 		rc = ecryptfs_inode_newsize_ok(inode, ia->ia_size);  in ecryptfs_setattr()
974 	fsstack_copy_attr_all(inode, lower_inode);  in ecryptfs_setattr()