* fhandler_disk_file.cc (path_conv::isgood_inode): Move to be defined

earlier.
	(get_ino_by_handle): Take additional path_conv argument, accommodate
	throughout.  Only use FileId if isgood_inode check is true.
	(fhandler_base::open_fs): Simplify setting ino due to above change.
	(readdir_get_ino): Make sure to return always a non-zero inode number.
	(fhandler_disk_file::readdir): Always open file in dir with
	FILE_OPEN_REPARSE_POINT so as not to open wrong file.
	Drop call to isgood_inode here.
	* path.cc (symlink_info::check): Call fs.update in case we're fetching
	file information from call to NtQueryDirectoryFile.

winsup/cygwin/path.cc

@@ -2191,7 +2191,7 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
 			       &attr, &io, FILE_SHARE_VALID_FLAGS,
 			       FILE_OPEN_REPARSE_POINT
 			       | FILE_OPEN_FOR_BACKUP_INTENT);
-	  attr.Attributes = ci_flag;
+	  attr.Attributes = 0;
 	  if (NT_SUCCESS (status))
 	    {
 	      fs.update (&upath, h);
@@ -2265,6 +2265,9 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
 						 &fdi_buf, sizeof fdi_buf,
 						 FileDirectoryInformation,
 						 TRUE, &basename, TRUE);
+		  /* Take the opportunity to check file system while we're
+		     having the handle to the parent dir. */
+		  fs.update (&upath, h);
 		  NtClose (dir);
 		  if (!NT_SUCCESS (status))
 		    {