rbd: update manpage for import/export

Signed-off-by: Dan Mick <dan.mick@inktank.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/man/rbd.8 b/man/rbd.8
index 446db793e7c..6004244e0ba 100644
--- a/man/rbd.8
+++ b/man/rbd.8
@@ -1,4 +1,4 @@
-.TH "RBD" "8" "October 22, 2012" "dev" "Ceph"
+.TH "RBD" "8" "December 05, 2012" "dev" "Ceph"
 .SH NAME
 rbd \- manage rados block device (RBD) images
 .
@@ -179,10 +179,13 @@ Deletes an rbd image (including all data blocks). If the image has
 snapshots, this fails and nothing is deleted.
 .TP
 .B \fBexport\fP [\fIimage\-name\fP] [\fIdest\-path\fP]
-Exports image to dest path.
+Exports image to dest path (use \- for stdout).
 .TP
 .B \fBimport\fP [\fIpath\fP] [\fIdest\-image\fP]
-Creates a new image and imports its data from path.
+Creates a new image and imports its data from path (use \- for
+stdin).  The import operation will try to create sparse rbd images
+if possible.  For import from stdin, the sparsification unit is
+the data block size of the destination image (1 << order).
 .TP
 .B \fBcp\fP [\fIsrc\-image\fP] [\fIdest\-image\fP]
 Copies the content of a src\-image into the newly created dest\-image.
@@ -440,6 +443,6 @@ the Ceph documentation at \fI\%http://ceph.com/docs\fP for more information.
 \fBceph\fP(8),
 \fBrados\fP(8)
 .SH COPYRIGHT
-2012, Inktank Storage, Inc.
+2010-2012, Inktank Storage, Inc. and contributors. Licensed under Creative Commons BY-SA
 .\" Generated by docutils manpage writer.
 .