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path: root/drivers/nvdimm/region_devs.c
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Diffstat (limited to 'drivers/nvdimm/region_devs.c')
-rw-r--r--drivers/nvdimm/region_devs.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index b7cb5066d961..3500fc84d939 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -448,6 +448,21 @@ static ssize_t read_only_store(struct device *dev,
}
static DEVICE_ATTR_RW(read_only);
+static ssize_t nd_badblocks_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct nd_region *nd_region = to_nd_region(dev);
+
+ return badblocks_show(&nd_region->bb, buf, 0);
+}
+static struct device_attribute dev_attr_nd_badblocks = {
+ .attr = {
+ .name = "badblocks",
+ .mode = S_IRUGO
+ },
+ .show = nd_badblocks_show,
+};
+
static struct attribute *nd_region_attributes[] = {
&dev_attr_size.attr,
&dev_attr_nstype.attr,
@@ -460,6 +475,7 @@ static struct attribute *nd_region_attributes[] = {
&dev_attr_available_size.attr,
&dev_attr_namespace_seed.attr,
&dev_attr_init_namespaces.attr,
+ &dev_attr_nd_badblocks.attr,
NULL,
};
@@ -476,6 +492,9 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n)
if (!is_nd_pmem(dev) && a == &dev_attr_dax_seed.attr)
return 0;
+ if (!is_nd_pmem(dev) && a == &dev_attr_nd_badblocks.attr)
+ return 0;
+
if (a != &dev_attr_set_cookie.attr
&& a != &dev_attr_available_size.attr)
return a->mode;