From e571c0f64fe02f09472a1011b3f129f94b3ec4ed Mon Sep 17 00:00:00 2001
From: Lukas Czerner <lczerner@redhat.com>
Date: Wed, 18 Dec 2019 11:03:37 +0100
Subject: [PATCH] man: Add note about RHEL8 supported features and mount
 options

Signed-off-by: Lukas Czerner <lczerner@redhat.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 1db61a5f..39b1412e 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 5bcee25e..8297bc5b 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"
-- 
2.21.1