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Upstream-Status: Inappropriate [Backport]
From 4c6ae809c50d44d4530a211b95b004002b3ba45f Mon Sep 17 00:00:00 2001
From: Mitch Harder <mitch.harder@sabayonlinux.org>
Date: Mon, 15 Nov 2010 16:32:12 +0000
Subject: [PATCH 12/15] Btrfs-progs: Update man page for mixed data+metadata option.
Update the mkfs.btrfs man page for the -M option to mix data and
metadata chunks.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
man/mkfs.btrfs.8.in | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/man/mkfs.btrfs.8.in b/man/mkfs.btrfs.8.in
index 1e14c6c..432db1b 100644
--- a/man/mkfs.btrfs.8.in
+++ b/man/mkfs.btrfs.8.in
@@ -9,6 +9,7 @@ mkfs.btrfs \- create an btrfs filesystem
[ \fB \-l\fP\fI leafsize\fP ]
[ \fB \-L\fP\fI label\fP ]
[ \fB \-m\fP\fI metadata profile\fP ]
+[ \fB \-M\fP\fI mixed data+metadata\fP ]
[ \fB \-n\fP\fI nodesize\fP ]
[ \fB \-s\fP\fI sectorsize\fP ]
[ \fB \-h\fP ]
@@ -45,6 +46,12 @@ Specify a label for the filesystem.
Specify how metadata must be spanned across the devices specified. Valid
values are raid0, raid1, raid10 or single.
.TP
+\fB\-M\fR, \fB\-\-mixed\fR
+Mix data and metadata chunks together for more efficient space
+utilization. This feature incurs a performance penalty in
+larger filesystems. It is recommended for use with filesystems
+of 1 GiB or smaller.
+.TP
\fB\-n\fR, \fB\-\-nodesize \fIsize\fR
Specify the nodesize. By default the value is set to the pagesize.
.TP
--
1.7.2.3
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