115 static int ecryptfs_interpose(struct dentry *lower_dentry,  in ecryptfs_interpose()  argument
118 	struct inode *inode = ecryptfs_get_inode(d_inode(lower_dentry), sb);  in ecryptfs_interpose()
130 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_do_unlink()  local
138 	dget(lower_dentry);	// don't even try to make the lower negative  in ecryptfs_do_unlink()
139 	if (lower_dentry->d_parent != lower_dir_dentry)  in ecryptfs_do_unlink()
141 	else if (d_unhashed(lower_dentry))  in ecryptfs_do_unlink()
144 		rc = vfs_unlink(lower_dir_inode, lower_dentry, NULL);  in ecryptfs_do_unlink()
153 	dput(lower_dentry);  in ecryptfs_do_unlink()
177 	struct dentry *lower_dentry;  in ecryptfs_do_create()  local
181 	lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);  in ecryptfs_do_create()
182 	lower_dir_dentry = lock_parent(lower_dentry);  in ecryptfs_do_create()
183 	rc = vfs_create(d_inode(lower_dir_dentry), lower_dentry, mode, true);  in ecryptfs_do_create()
190 	inode = __ecryptfs_get_inode(d_inode(lower_dentry),  in ecryptfs_do_create()
193 		vfs_unlink(d_inode(lower_dir_dentry), lower_dentry, NULL);  in ecryptfs_do_create()
320 				     struct dentry *lower_dentry)  in ecryptfs_lookup_interpose()  argument
329 		dput(lower_dentry);  in ecryptfs_lookup_interpose()
335 	BUG_ON(!d_count(lower_dentry));  in ecryptfs_lookup_interpose()
339 	dentry_info->lower_path.dentry = lower_dentry;  in ecryptfs_lookup_interpose()
347 	lower_inode = READ_ONCE(lower_dentry->d_inode);  in ecryptfs_lookup_interpose()
388 	struct dentry *lower_dir_dentry, *lower_dentry;  in ecryptfs_lookup()  local
410 	lower_dentry = lookup_one_len_unlocked(name, lower_dir_dentry, len);  in ecryptfs_lookup()
411 	if (IS_ERR(lower_dentry)) {  in ecryptfs_lookup()
414 				PTR_ERR(lower_dentry),  in ecryptfs_lookup()
416 		res = ERR_CAST(lower_dentry);  in ecryptfs_lookup()
418 		res = ecryptfs_lookup_interpose(ecryptfs_dentry, lower_dentry);  in ecryptfs_lookup()
467 	struct dentry *lower_dentry;  in ecryptfs_symlink()  local
473 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_symlink()
474 	dget(lower_dentry);  in ecryptfs_symlink()
475 	lower_dir_dentry = lock_parent(lower_dentry);  in ecryptfs_symlink()
484 	rc = vfs_symlink(d_inode(lower_dir_dentry), lower_dentry,  in ecryptfs_symlink()
487 	if (rc || d_really_is_negative(lower_dentry))  in ecryptfs_symlink()
489 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_symlink()
496 	dput(lower_dentry);  in ecryptfs_symlink()
505 	struct dentry *lower_dentry;  in ecryptfs_mkdir()  local
508 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_mkdir()
509 	lower_dir_dentry = lock_parent(lower_dentry);  in ecryptfs_mkdir()
510 	rc = vfs_mkdir(d_inode(lower_dir_dentry), lower_dentry, mode);  in ecryptfs_mkdir()
511 	if (rc || d_really_is_negative(lower_dentry))  in ecryptfs_mkdir()
513 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mkdir()
528 	struct dentry *lower_dentry;  in ecryptfs_rmdir()  local
533 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_rmdir()
538 	dget(lower_dentry);	// don't even try to make the lower negative  in ecryptfs_rmdir()
539 	if (lower_dentry->d_parent != lower_dir_dentry)  in ecryptfs_rmdir()
541 	else if (d_unhashed(lower_dentry))  in ecryptfs_rmdir()
544 		rc = vfs_rmdir(lower_dir_inode, lower_dentry);  in ecryptfs_rmdir()
550 	dput(lower_dentry);  in ecryptfs_rmdir()
561 	struct dentry *lower_dentry;  in ecryptfs_mknod()  local
564 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_mknod()
565 	lower_dir_dentry = lock_parent(lower_dentry);  in ecryptfs_mknod()
566 	rc = vfs_mknod(d_inode(lower_dir_dentry), lower_dentry, mode, dev);  in ecryptfs_mknod()
567 	if (rc || d_really_is_negative(lower_dentry))  in ecryptfs_mknod()
569 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mknod()
642 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_readlink_lower()  local
647 	link = vfs_get_link(lower_dentry, &done);  in ecryptfs_readlink_lower()
855 		struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_truncate()  local
857 		inode_lock(d_inode(lower_dentry));  in ecryptfs_truncate()
858 		rc = notify_change(lower_dentry, &lower_ia, NULL);  in ecryptfs_truncate()
859 		inode_unlock(d_inode(lower_dentry));  in ecryptfs_truncate()
885 	struct dentry *lower_dentry;  in ecryptfs_setattr()  local
899 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setattr()
961 	inode_lock(d_inode(lower_dentry));  in ecryptfs_setattr()
962 	rc = notify_change(lower_dentry, &lower_ia, NULL);  in ecryptfs_setattr()
963 	inode_unlock(d_inode(lower_dentry));  in ecryptfs_setattr()
1018 	struct dentry *lower_dentry;  in ecryptfs_setxattr()  local
1020 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setxattr()
1021 	if (!(d_inode(lower_dentry)->i_opflags & IOP_XATTR)) {  in ecryptfs_setxattr()
1025 	rc = vfs_setxattr(lower_dentry, name, value, size, flags);  in ecryptfs_setxattr()
1027 		fsstack_copy_attr_all(inode, d_inode(lower_dentry));  in ecryptfs_setxattr()
1033 ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,  in ecryptfs_getxattr_lower()  argument
1043 	rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size);  in ecryptfs_getxattr_lower()
1062 	struct dentry *lower_dentry;  in ecryptfs_listxattr()  local
1064 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_listxattr()
1065 	if (!d_inode(lower_dentry)->i_op->listxattr) {  in ecryptfs_listxattr()
1069 	inode_lock(d_inode(lower_dentry));  in ecryptfs_listxattr()
1070 	rc = d_inode(lower_dentry)->i_op->listxattr(lower_dentry, list, size);  in ecryptfs_listxattr()
1071 	inode_unlock(d_inode(lower_dentry));  in ecryptfs_listxattr()
1080 	struct dentry *lower_dentry;  in ecryptfs_removexattr()  local
1083 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_removexattr()
1090 	rc = __vfs_removexattr(lower_dentry, name);  in ecryptfs_removexattr()