From 4305d024938113df5d73021a09eb2a991f54ca2f Mon Sep 17 00:00:00 2001
From: Dimitri John Ledkov <xnox@ubuntu.com>
Date: Mon, 13 Feb 2017 11:24:33 +0000
Subject: New upstream release Closes: #849353, #817806, #854915, #845473

---
 Documentation/mkfs.btrfs.asciidoc | 27 +++++++--------------------
 1 file changed, 7 insertions(+), 20 deletions(-)

(limited to 'Documentation/mkfs.btrfs.asciidoc')

diff --git a/Documentation/mkfs.btrfs.asciidoc b/Documentation/mkfs.btrfs.asciidoc
index 6515e145..46a4d2d5 100644
--- a/Documentation/mkfs.btrfs.asciidoc
+++ b/Documentation/mkfs.btrfs.asciidoc
@@ -7,25 +7,7 @@ mkfs.btrfs - create a btrfs filesystem
 
 SYNOPSIS
 --------
-*mkfs.btrfs*
-$$[-A|--alloc-start <alloc-start>]$$
-$$[-b|--byte-count <byte-count>]$$
-$$[-d|--data <data-profile>]$$
-$$[-m|--metadata <metadata profile>]$$
-$$[-M|--mixed]$$
-$$[-l|--leafsize <leafsize>]$$
-$$[-n|--nodesize <nodesize>]$$
-$$[-s|--sectorsize <sectorsize>]$$
-$$[-L|--label <label>]$$
-$$[-K|--nodiscard]$$
-$$[-r|--rootdir <rootdir>]$$
-$$[-O|--features <feature1>[,<feature2>...]]$$
-$$[-U|--uuid <UUID>]$$
-$$[-f|--force]$$
-$$[-q|--quiet]$$
-$$[--help]$$
-$$[-V|--version]$$
-$$<device> [<device>...]$$
+*mkfs.btrfs* [options] <device> [<device>...]
 
 DESCRIPTION
 -----------
@@ -118,6 +100,8 @@ bytes and must not contain newline characters.
 
 *-K|--nodiscard*::
 Do not perform whole device TRIM operation on devices that are capable of that.
+This does not affect discard/trim operation when the filesystem is mounted.
+Please see the mount option 'discard' for that in `btrfs`(5).
 
 *-r|--rootdir <rootdir>*::
 Populate the toplevel subvolume with files from 'rootdir'.  This does not
@@ -182,6 +166,9 @@ root partition created with RAID1/10/5/6 profiles. The mount action can happen
 before all block devices are discovered. The waiting is usually done on the
 initramfs/initrd systems.
 
+As of kernel 4.9, RAID5/6 is still considered experimental and shouldn't be
+employed for production use.
+
 FILESYSTEM FEATURES
 -------------------
 
@@ -271,7 +258,7 @@ There are the following block group types available:
 | RAID6   | 1            | 2              | 3 to N - 2 | 3/any ^(see note 3)^
 |=============================================================
 
-WARNING: It's not recommended to build btrfs with RAID0/1/10/5/6 prfiles on
+WARNING: It's not recommended to build btrfs with RAID0/1/10/5/6 profiles on
 partitions from the same device.  Neither redundancy nor performance will be
 improved.
 
-- 
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