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Subject[PATCH] Documentation/filesystem/dax: update DAX description on erofs
From: lihongnan <>

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

Signed-off-by: lihongnan <>
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)
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