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rbd: wire up is_visible() sysfs callback for rbd bus

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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@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Ilya Dryomov 2013-12-13 15:28:57 +02:00
parent dd82fff1e8
commit 92c76dc036
1 changed files with 12 additions and 1 deletions
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13
drivers/block/rbd.c
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@ -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",