From 983d290f7b36fea580ed9337bdc15e8f0f6f5bb3 Mon Sep 17 00:00:00 2001
From: "M. Mohan Kumar" <mohan@in.ibm.com>
Date: Thu, 29 Nov 2012 21:46:07 +0530
Subject: BD Backend: CLI to create a full/linked clone of a image

A new CLI command added to support cloning/snapshotting of a LV device

Syntax is:
$ gluster bd clone <volname>:<vg>/<lv> <newlv>

$ gluster bd snapshot <volname>:<vg>/<lv> <snap_lv> <size>

BUG: 805138
Change-Id: Idc2ac14525a3998329c742bf85a06326cac8cd54
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Reviewed-on: http://review.gluster.org/3719
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
---
 xlators/mgmt/glusterd/src/glusterd-volume-ops.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'xlators/mgmt/glusterd')

diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
index b74bbec7c..db143d5f0 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
@@ -1295,6 +1295,24 @@ glusterd_op_stage_bd (dict_t *dict, char **op_errstr)
                         ret = -1;
                         goto out;
                 }
+        } else if (bd_op == GF_BD_OP_SNAPSHOT_BD) {
+                ret = dict_get_str (dict, "size", &size);
+                if (ret) {
+                        snprintf (msg, sizeof(msg), "Failed to get size");
+                        gf_log ("", GF_LOG_ERROR, "%s", msg);
+                        *op_errstr = gf_strdup (msg);
+                        goto out;
+                }
+
+                if (gf_string2bytesize (size, &bytes) < 0) {
+                        ret = -1;
+                        snprintf (msg, sizeof(msg),
+                                "Invalid size %s, suffix with KB, MB etc",
+                                size);
+                        gf_log ("", GF_LOG_ERROR, "%s", msg);
+                        *op_errstr = gf_strdup (msg);
+                        goto out;
+                }
         }
 
         ret = glusterd_volinfo_find (volname, &volinfo);
@@ -1324,7 +1342,6 @@ out:
         gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
         return ret;
 }
-
 #endif
 
 int
-- 
cgit