---

 libmultipath/checkers/rbd.c |    9 ++++++++-

 1 file changed, 8 insertions(+), 1 deletion(-)

Index: multipath-tools-130222/libmultipath/checkers/rbd.c

===================================================================

--- multipath-tools-130222.orig/libmultipath/checkers/rbd.c

+++ multipath-tools-130222/libmultipath/checkers/rbd.c

@@ -45,6 +45,7 @@ struct rbd_checker_context {

 	char *username;

 	int remapped;

 	int blacklisted;

+	int lock_on_read:1;

 	rados_t cluster;

@@ -141,6 +142,9 @@ int libcheck_init(struct checker * c)

 		goto free_addr;

 	}

+	if (strstr(config_info, "lock_on_read"))

+		ct->lock_on_read = 1;

+

 	ct->config_info = strdup(config_info);

 	if (!ct->config_info)

 		goto free_addr;

@@ -397,7 +401,10 @@ static int rbd_remap(struct rbd_checker_

 	case 0:

 		argv[i++] = "rbd";

 		argv[i++] = "map";

-		argv[i++] = "-o noshare";

+		if (ct->lock_on_read)

+			argv[i++] = "-o noshare,lock_on_read";

+		else

+			argv[i++] = "-o noshare";

 		if (ct->username) {

 			argv[i++] = "--id";

 			argv[i++] = ct->username;