61 	struct path lowerstack[];
99 void ovl_path_upper(struct dentry *dentry, struct path *path)  in ovl_path_upper()  argument
104 	path->mnt = ofs->upper_mnt;  in ovl_path_upper()
105 	path->dentry = ovl_upperdentry_dereference(oe);  in ovl_path_upper()
108 enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path)  in ovl_path_real()  argument
113 		ovl_path_lower(dentry, path);  in ovl_path_real()
115 		ovl_path_upper(dentry, path);  in ovl_path_real()
174 void ovl_path_lower(struct dentry *dentry, struct path *path)  in ovl_path_lower()  argument
178 	*path = oe->numlower ? oe->lowerstack[0] : (struct path) { NULL, NULL };  in ovl_path_lower()
318 int ovl_path_next(int idx, struct dentry *dentry, struct path *path)  in ovl_path_next()  argument
324 		ovl_path_upper(dentry, path);  in ovl_path_next()
325 		if (path->dentry)  in ovl_path_next()
330 	*path = oe->lowerstack[idx - 1];  in ovl_path_next()
340 	struct path *stack = NULL;  in ovl_lookup()
370 		stack = kcalloc(poe->numlower, sizeof(struct path), GFP_KERNEL);  in ovl_lookup()
377 		struct path lowerpath = poe->lowerstack[i];  in ovl_lookup()
447 	memcpy(oe->lowerstack, stack, sizeof(struct path) * ctr);  in ovl_lookup()
466 struct file *ovl_path_open(struct path *path, int flags)  in ovl_path_open()  argument
468 	return dentry_open(path, flags, current_cred());  in ovl_path_open()
500 	struct path path;  in ovl_statfs()  local
503 	ovl_path_real(root_dentry, &path);  in ovl_statfs()
505 	err = vfs_statfs(&path, buf);  in ovl_statfs()
721 static int ovl_mount_dir_noesc(const char *name, struct path *path)  in ovl_mount_dir_noesc()  argument
729 	err = kern_path(name, LOOKUP_FOLLOW, path);  in ovl_mount_dir_noesc()
735 	if (!ovl_is_allowed_fs_type(path->dentry)) {  in ovl_mount_dir_noesc()
739 	if (!S_ISDIR(path->dentry->d_inode->i_mode)) {  in ovl_mount_dir_noesc()
746 	path_put(path);  in ovl_mount_dir_noesc()
751 static int ovl_mount_dir(const char *name, struct path *path)  in ovl_mount_dir()  argument
758 		err = ovl_mount_dir_noesc(tmp, path);  in ovl_mount_dir()
764 static int ovl_lower_dir(const char *name, struct path *path, long *namelen,  in ovl_lower_dir()  argument
770 	err = ovl_mount_dir_noesc(name, path);  in ovl_lower_dir()
774 	err = vfs_statfs(path, &statfs);  in ovl_lower_dir()
780 	*stack_depth = max(*stack_depth, path->mnt->mnt_sb->s_stack_depth);  in ovl_lower_dir()
785 	path_put(path);  in ovl_lower_dir()
824 	struct path upperpath = { NULL, NULL };  in ovl_fill_super()
825 	struct path workpath = { NULL, NULL };  in ovl_fill_super()
829 	struct path *stack = NULL;  in ovl_fill_super()
902 	stack = kcalloc(stacklen, sizeof(struct path), GFP_KERNEL);  in ovl_fill_super()