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()
417 int ovl_path_next(int idx, struct dentry *dentry, struct path *path)  in ovl_path_next()  argument
423 		ovl_path_upper(dentry, path);  in ovl_path_next()
424 		if (path->dentry)  in ovl_path_next()
429 	*path = oe->lowerstack[idx - 1];  in ovl_path_next()
439 	struct path *stack = NULL;  in ovl_lookup()
474 		stack = kcalloc(poe->numlower, sizeof(struct path), GFP_KERNEL);  in ovl_lookup()
481 		struct path lowerpath = poe->lowerstack[i];  in ovl_lookup()
551 	memcpy(oe->lowerstack, stack, sizeof(struct path) * ctr);  in ovl_lookup()
570 struct file *ovl_path_open(struct path *path, int flags)  in ovl_path_open()  argument
572 	return dentry_open(path, flags, current_cred());  in ovl_path_open()
604 	struct path path;  in ovl_statfs()  local
607 	ovl_path_real(root_dentry, &path);  in ovl_statfs()
609 	err = vfs_statfs(&path, buf);  in ovl_statfs()
806 static int ovl_mount_dir_noesc(const char *name, struct path *path)  in ovl_mount_dir_noesc()  argument
814 	err = kern_path(name, LOOKUP_FOLLOW, path);  in ovl_mount_dir_noesc()
820 	if (ovl_dentry_weird(path->dentry)) {  in ovl_mount_dir_noesc()
824 	if (!S_ISDIR(path->dentry->d_inode->i_mode)) {  in ovl_mount_dir_noesc()
831 	path_put(path);  in ovl_mount_dir_noesc()
836 static int ovl_mount_dir(const char *name, struct path *path)  in ovl_mount_dir()  argument
843 		err = ovl_mount_dir_noesc(tmp, path);  in ovl_mount_dir()
846 			if (ovl_dentry_remote(path->dentry)) {  in ovl_mount_dir()
849 				path_put(path);  in ovl_mount_dir()
857 static int ovl_lower_dir(const char *name, struct path *path, long *namelen,  in ovl_lower_dir()  argument
863 	err = ovl_mount_dir_noesc(name, path);  in ovl_lower_dir()
867 	err = vfs_statfs(path, &statfs);  in ovl_lower_dir()
873 	*stack_depth = max(*stack_depth, path->mnt->mnt_sb->s_stack_depth);  in ovl_lower_dir()
875 	if (ovl_dentry_remote(path->dentry))  in ovl_lower_dir()
881 	path_put(path);  in ovl_lower_dir()
920 	struct path upperpath = { NULL, NULL };  in ovl_fill_super()
921 	struct path workpath = { NULL, NULL };  in ovl_fill_super()
925 	struct path *stack = NULL;  in ovl_fill_super()
999 	stack = kcalloc(stacklen, sizeof(struct path), GFP_KERNEL);  in ovl_fill_super()