From 6790b5a01d7a992d38d83c955a524cf20cd9aa08 Mon Sep 17 00:00:00 2001
From: Lukas Czerner <lczerner@redhat.com>
Date: Wed, 18 Dec 2019 11:03:37 +0100
Subject: [PATCH 04/10] man: Add note about RHEL8 supported features and mount
 options

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
---
 misc/ext4.5.in   | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 misc/mke2fs.8.in | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)

diff --git a/misc/ext4.5.in b/misc/ext4.5.in
index 90bc4f88..3eb574c0 100644
--- a/misc/ext4.5.in
+++ b/misc/ext4.5.in
@@ -19,6 +19,54 @@ previously intended for use with the ext2 and ext3 file systems can be
 mounted using the ext4 file system driver, and indeed in many modern
 Linux distributions, the ext4 file system driver has been configured
 to handle mount requests for ext2 and ext3 file systems.
+.SH RED HAT ENTERPRISE LINUX 8
+The Ext4 file system is fully supported by Red Hat when using default
+mke2fs and mount options. In addition, the following non-default mke2fs
+features and mount options are also fully supported.
+.SH "Non-default features:"
+project
+.br
+quota
+.br
+mmp
+.br
+.SH "Non-default mount options:"
+bsddf|minixdf
+.br
+grpid|bsdgroups and nogrpid|sysvgroups
+.br
+resgid=n and resuid=n
+.br
+errors={continue|remount-ro|panic}
+.br
+commit=nrsec
+.br
+max_batch_time=usec
+.br
+min_batch_time=usec
+.br
+grpquota|noquota|quota|usrquota
+.br
+prjquota
+.br
+dax
+.br
+lazytime|nolazytime
+.br
+discard|nodiscard
+.br
+init_itable|noinit_itable
+.br
+jqfmt={vfsold|vfsv0|vfsv1}
+.br
+usrjquota=aquota.user|grpjquota=aquota.group
+.PP
+For more information on features and mount options, see the
+.BR ext4
+man page. Ext4 features and mount options not listed above may not be
+fully supported by Red Hat.  If your workload requires a feature or mount
+option that is not fully in this Red Hat release, contact Red Hat support
+to evaluate it for inclusion in our supported list.
 .SH FILE SYSTEM FEATURES
 A file system formatted for ext2, ext3, or ext4 can have some
 collection of the following file system feature flags enabled.  Some of
diff --git a/misc/mke2fs.8.in b/misc/mke2fs.8.in
index 84248ffc..0868d5e8 100644
--- a/misc/mke2fs.8.in
+++ b/misc/mke2fs.8.in
@@ -204,6 +204,54 @@ overridden by the options listed below, are controlled by the
 configuration file.  See the
 .BR mke2fs.conf (5)
 manual page for more details.
+.SH RED HAT ENTERPRISE LINUX 8
+The Ext4 file system is fully supported by Red Hat when using default
+mke2fs and mount options. In addition, the following non-default mke2fs
+features and mount options are also fully supported.
+.SH "Non-default features:"
+project
+.br
+quota
+.br
+mmp
+.br
+.SH "Non-default mount options:"
+bsddf|minixdf
+.br
+grpid|bsdgroups and nogrpid|sysvgroups
+.br
+resgid=n and resuid=n
+.br
+errors={continue|remount-ro|panic}
+.br
+commit=nrsec
+.br
+max_batch_time=usec
+.br
+min_batch_time=usec
+.br
+grpquota|noquota|quota|usrquota
+.br
+prjquota
+.br
+dax
+.br
+lazytime|nolazytime
+.br
+discard|nodiscard
+.br
+init_itable|noinit_itable
+.br
+jqfmt={vfsold|vfsv0|vfsv1}
+.br
+usrjquota=aquota.user|grpjquota=aquota.group
+.PP
+For more information on features and mount options, see the
+.BR ext4
+man page. Ext4 features and mount options not listed above may not be
+fully supported by Red Hat.  If your workload requires a feature or mount
+option that is not fully in this Red Hat release, contact Red Hat support
+to evaluate it for inclusion in our supported list.
 .SH OPTIONS
 .TP
 .BI \-b " block-size"
-- 
2.24.4