Add an option to suppress the creation of the .snap directory in

the new filesystem.  This is intended for memory and vnode filesystems
that will never be fsck'ed or dumped.

Obtained from:	St. Bernard Software RAPID
MFC after:	2 weeks

1 files changed, 16 insertions, 1 deletions

diff --git a/sbin/newfs/newfs.8 b/sbin/newfs/newfs.8
index 8cba772..48393e3 100644
--- a/sbin/newfs/newfs.8
+++ b/sbin/newfs/newfs.8
@@ -36,7 +36,7 @@
 .Nd construct a new UFS1/UFS2 file system
 .Sh SYNOPSIS
 .Nm
-.Op Fl NUl
+.Op Fl NUln
 .Op Fl L Ar volname
 .Op Fl O Ar filesystem-type
 .Op Fl S Ar sector-size
@@ -159,6 +159,20 @@ currently 8%.
 See
 .Xr tunefs 8
 for more details on how to set this option.
+.It Fl n
+Do not create a .snap directory on the new filesystem.
+The resulting filesystem will not support snapshot generation, so
+.Xr dump 8
+in live mode and background
+.Xr fsck 8
+will not function properly.
+The traditional
+.Xr fsck 8
+and offline
+.Xr dump 8
+will work on the filesystem.
+This option is intended primarily for memory or vnode filesystems that
+do not require dump or fsck support.
 .It Fl o Ar optimization
 .Cm ( space
 or
@@ -219,6 +233,7 @@ on file systems that contain many small files.
 .Xr fs 5 ,
 .Xr bsdlabel 8 ,
 .Xr camcontrol 8 ,
+.Xr dump 8 ,
 .Xr dumpfs 8 ,
 .Xr fsck 8 ,
 .Xr mount 8 ,