239     char *dirpath, *subpath, *xdirpath;  in patch_file_and_bootblock()  local
255     subpath = strchr(dirpath, '\0');  in patch_file_and_bootblock()
257 	if (*subpath == '/') {  in patch_file_and_bootblock()
258 	    if (subpath > dirpath) {  in patch_file_and_bootblock()
259 		*subpath = '\0';  in patch_file_and_bootblock()
265 		subpath = strchr(subpath+1, '/');  in patch_file_and_bootblock()
266 		if (!subpath)  in patch_file_and_bootblock()
267 		    subpath = "/"; /* It's the root of the filesystem */  in patch_file_and_bootblock()
270 	    *subpath = '/';  in patch_file_and_bootblock()
273 	if (subpath == dirpath)  in patch_file_and_bootblock()
276 	subpath--;  in patch_file_and_bootblock()
280     dprintf("subpath = %s\n", subpath);  in patch_file_and_bootblock()
334 			opt.raid_mode, subpath, subvol);  in patch_file_and_bootblock()