---
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;