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authorEdward Tomasz Napierala <trasz@FreeBSD.org>2013-12-04 07:38:23 +0000
committerEdward Tomasz Napierala <trasz@FreeBSD.org>2013-12-04 07:38:23 +0000
commit0efd9bfd4733eaefe99a57df3a061af5f9dadcee (patch)
tree4a2354d11de8bae937258417b24a0a207b6c0825 /sbin/mdconfig/mdconfig.8
parenteeca71dbbffe6bd8afe17ef88fcd64fc9a001878 (diff)
downloadsrc-0efd9bfd4733eaefe99a57df3a061af5f9dadcee.tar.gz
src-0efd9bfd4733eaefe99a57df3a061af5f9dadcee.zip
Add "null" backend to mdconfig(8). This does exactly what the name
suggests, and is somewhat useful for benchmarking. MFC after: 1 month No objections from: kib Sponsored by: The FreeBSD Foundation
Notes
Notes: svn path=/head/; revision=258909
Diffstat (limited to 'sbin/mdconfig/mdconfig.8')
-rw-r--r--sbin/mdconfig/mdconfig.84
1 files changed, 3 insertions, 1 deletions
diff --git a/sbin/mdconfig/mdconfig.8 b/sbin/mdconfig/mdconfig.8
index d9a0d1fa7eab..1faba2b3e08a 100644
--- a/sbin/mdconfig/mdconfig.8
+++ b/sbin/mdconfig/mdconfig.8
@@ -41,7 +41,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd October 26, 2013
+.Dd November 30, 2013
.Dt MDCONFIG 8
.Os
.Sh NAME
@@ -122,6 +122,8 @@ Using
backing is generally preferred instead of using
.Cm malloc
backing.
+.It Cm null
+Bitsink; all writes do nothing, all reads return zeroes.
.El
.It Fl f Ar file
Filename to use for the vnode type memory disk.