path: root/man
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authorDavid Sterba <>2013-04-09 19:11:36 +0200
committerDavid Sterba <>2013-04-23 18:56:21 +0200
commita90354c5a108dba7c7b34b55b7ecd2e9005e751b (patch)
tree87c465a4c6db0555770394a0545b6e43e3cb9d52 /man
parent7b20da8d525d11dabc98bdd49efef7b8be5576ab (diff)
btrfs-progs: revert skinny extents changes from mkfs
We are going to unify enabling filesystem features via option -O. For now, use btrfstune to enable the features. Signed-off-by: David Sterba <>
Diffstat (limited to 'man')
1 files changed, 0 insertions, 8 deletions
diff --git a/man/ b/man/
index 05180f8b..a3f15034 100644
--- a/man/
+++ b/man/
@@ -17,7 +17,6 @@ mkfs.btrfs \- create a btrfs filesystem
[ \fB\-K\fP ]
[ \fB\-h\fP ]
[ \fB\-V\fP ]
-[ \fB\-x\fP\fI skinny-extents\fP ]
\fI device\fP [ \fIdevice ...\fP ]
.B mkfs.btrfs
@@ -80,13 +79,6 @@ Do not perform whole device TRIM operation by default.
\fB\-V\fR, \fB\-\-version\fR
Print the \fBmkfs.btrfs\fP version and exit.
-\fB\-x\fR, \fB\-\-skinny\-extents\fR
-Use the new skinny extents disk format. This is an non-backwards compatible
-format change. This allows btrfs to use a smaller item for describing
-metadata blocks in the extent tree. This results in a 30% savings in the
-extent tree size, which improves performance on file systems with lots of
As default the unit is the byte, however it is possible to append a suffix
to the arguments like \fBk\fP for KBytes, \fBm\fP for MBytes...