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rbd: wire up is_visible() sysfs callback for rbd bus
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>
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1 changed files with 12 additions and 1 deletions
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@ -408,7 +408,18 @@ static struct attribute *rbd_bus_attrs[] = {
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&bus_attr_remove.attr,
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NULL,
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};
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ATTRIBUTE_GROUPS(rbd_bus);
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static umode_t rbd_bus_is_visible(struct kobject *kobj,
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struct attribute *attr, int index)
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{
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return attr->mode;
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}
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static const struct attribute_group rbd_bus_group = {
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.attrs = rbd_bus_attrs,
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.is_visible = rbd_bus_is_visible,
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};
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__ATTRIBUTE_GROUPS(rbd_bus);
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static struct bus_type rbd_bus_type = {
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.name = "rbd",
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