tune2fs: add dir_index feature to tune2fs man page

Add description of missing dir_index feature to tune2fs(8) man page.

Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in
index 2f9db81..233f85a 100644 (file)
--- a/misc/tune2fs.8.in
+++ b/misc/tune2fs.8.in
@@ -491,6 +491,9 @@ The following filesystem features can be set or cleared using
 .B dir_index
 Use hashed b-trees to speed up lookups in large directories.
 .TP
+.B dir_nlink
+Allow more than 65000 subdirectories per directory.
+.TP
 .B filetype
 Store file type information in directory entries.
 .TP