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| author | Ilya Dryomov | 2013-12-13 14:28:57 +0100 |
|---|---|---|
| committer | Ilya Dryomov | 2013-12-31 19:31:58 +0100 |
| commit | 92c76dc036e2139226e90851864d3e01e1db5dd8 (patch) | |
| tree | 42144ae75306581bb4c748c43cd09388c57c1b60 /drivers/block/rbd.c | |
| parent | rbd: add 'minor' sysfs rbd device attribute (diff) | |
| download | kernel-qcow2-linux-92c76dc036e2139226e90851864d3e01e1db5dd8.tar.gz kernel-qcow2-linux-92c76dc036e2139226e90851864d3e01e1db5dd8.tar.xz kernel-qcow2-linux-92c76dc036e2139226e90851864d3e01e1db5dd8.zip | |
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>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 13 |
1 files changed, 12 insertions, 1 deletions
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", |