rbd: fix read-only option name

The name of the "read-only" mapping option was inadvertently changed
in this commit:

    f84344f3 rbd: separate mapping info in rbd_dev

Revert that hunk to return it to what it should be.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 94d613208c4f77ed1a870e7a68cf506bd8d31505..5d9e2cc5c51e434bd42e1efb5ed16145f22f3089 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -397,7 +397,7 @@ enum {
 static match_table_t rbd_opts_tokens = {
        /* int args above */
        /* string args above */
-       {Opt_read_only, "mapping.read_only"},
+       {Opt_read_only, "read_only"},
        {Opt_read_only, "ro"},          /* Alternate spelling */
        {Opt_read_write, "read_write"},
        {Opt_read_write, "rw"},         /* Alternate spelling */