[PATCH] Documentation/filesystem/dax: update DAX description on erofs

[Hongnan Li]

From: lihongnan <hongnan.lhn at alibaba-inc.com>

Add missing erofs fsdax description since fsdax has been supported
on erofs from Linux 5.15.

Signed-off-by: lihongnan <hongnan.lhn at alibaba-inc.com>
---
 Documentation/filesystems/dax.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/filesystems/dax.rst b/Documentation/filesystems/dax.rst
index e3b30429d703..c04609d8ee24 100644
--- a/Documentation/filesystems/dax.rst
+++ b/Documentation/filesystems/dax.rst
@@ -23,11 +23,11 @@ on it as usual.  The `DAX` code currently only supports files with a block
 size equal to your kernel's `PAGE_SIZE`, so you may need to specify a block
 size when creating the filesystem.
 
-Currently 4 filesystems support `DAX`: ext2, ext4, xfs and virtiofs.
+Currently 5 filesystems support `DAX`: ext2, ext4, xfs, virtiofs and erofs.
 Enabling `DAX` on them is different.
 
-Enabling DAX on ext2
---------------------
+Enabling DAX on ext2 and erofs
+------------------------------
 
 When mounting the filesystem, use the ``-o dax`` option on the command line or
 add 'dax' to the options in ``/etc/fstab``.  This works to enable `DAX` on all files
-- 
2.32.0 (Apple Git-132)