In preparation for single-major device number allocation scheme, wire
up attribute_group::is_visible() callback for rbd bus. This allows us
to make the new single-major attributes conditional.
Signed-off-by: Ilya Dryomov <ilya.dryomov@xxxxxxxxxxx>
Reviewed-by: Alex Elder <elder@xxxxxxxxxx>
Reviewed-by: Josh Durgin <josh.durgin@xxxxxxxxxxx>
---
drivers/block/rbd.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 01ed7672a076..3fa18b0c5e4d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -408,7 +408,18 @@ static struct attribute *rbd_bus_attrs[] = {
&bus_attr_remove.attr,
NULL,
};
-ATTRIBUTE_GROUPS(rbd_bus);
+
+static umode_t rbd_bus_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ return attr->mode;
+}
+
+static const struct attribute_group rbd_bus_group = {
+ .attrs = rbd_bus_attrs,
+ .is_visible = rbd_bus_is_visible,
+};
+__ATTRIBUTE_GROUPS(rbd_bus);
static struct bus_type rbd_bus_type = {
.name = "rbd",
--
1.7.10.4
--
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