init-ceph: pass config file path when adjust crush position

Fixes: #6591
Reported-by: Sean Noonan <sean.noonan@twosigma.com>
Signed-off-by: Sage Weil <sage@inktank.com>

src/init-ceph.in

@@ -325,6 +325,7 @@ for name in $what; do
 		    defaultweight="$(do_cmd "df -P -k $osd_data/. | tail -1 | awk '{ d= \$2/1073741824 ; r = sprintf(\"%.2f\", d); print r }'")"
 		    get_conf osd_keyring "$osd_data/keyring" "keyring"
 		    do_cmd "timeout 10 $BINDIR/ceph \
+                        -c $conf \
 			--name=osd.$id \
 			--keyring=$osd_keyring \
 			osd crush create-or-move \