mdadm:Add '--nodes' option in GROW mode

mdadm:add '--nodes' option in GROW mode, because
'Cluster nodes' is set 4 by default if the nodes
parameter is not specified when switch bitmap
from none to clustered.

Signed-off-by: Zhilong Liu <zlliu@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>

diff --git a/mdadm.c b/mdadm.c
index d2afcb2b16ff85e52a1611485f2f2a2a85aa5b28..58ac32a0fb21785a9c46da390f15b4b58dca9aa3 100644 (file)
--- a/mdadm.c
+++ b/mdadm.c
@@ -589,6 +589,7 @@ int main(int argc, char *argv[])
                        ident.raid_disks = s.raiddisks;
                        continue;
                case O(ASSEMBLE, Nodes):
+               case O(GROW, Nodes):
                case O(CREATE, Nodes):
                        c.nodes = parse_num(optarg);
                        if (c.nodes <= 0) {