ext4.5.in: document design changes on the casefold attribute

Document the fact that the encoding support is only used by directories
with the +F attribute.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/misc/ext4.5.in b/misc/ext4.5.in
index ee5e170979a1eb85401e0d431b1e7afc1dfcf5b1..2a8ce1e2f8e82a14bd43c9a88f6630275e9d1286 100644 (file)
--- a/misc/ext4.5.in
+++ b/misc/ext4.5.in
@@ -154,12 +154,10 @@ option.
 .B fname_encoding
 .br
 This ext4 feature provides file system level character encoding support
 .B fname_encoding
 .br
 This ext4 feature provides file system level character encoding support

-for files and directories name.  This feature is name-preserving on the
-disk, but it allows applications to lookup for a file in the file system
-using any encoding equivalent version of the file name.
-
-This feature is required to perform in-kernel case-insensitive file
-name lookups.
+for directories with the casefold (+F) flag enabled.  This feature is
+name-preserving on the disk, but it allows applications to lookup for a
+file in the file system using an encoding equivalent version of the file
+name.

 .TP
 .B has_journal
 .br
 .TP
 .B has_journal
 .br