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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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index ef23119db574..51870eb51da6 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -518,6 +518,12 @@ static ssize_t read_only_show(struct device *dev,
return sprintf(buf, "%d\n", nd_region->ro);
}
+static int revalidate_read_only(struct device *dev, void *data)
+{
+ nd_device_notify(dev, NVDIMM_REVALIDATE_REGION);
+ return 0;
+}
+
static ssize_t read_only_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
@@ -529,6 +535,7 @@ static ssize_t read_only_store(struct device *dev,
return rc;
nd_region->ro = ro;
+ device_for_each_child(dev, NULL, revalidate_read_only);
return len;
}
static DEVICE_ATTR_RW(read_only);