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path: root/drivers/dax/super.c
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Diffstat (limited to 'drivers/dax/super.c')
-rw-r--r--drivers/dax/super.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index ce9e563e6e1d..938eb4868f7f 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -278,6 +278,12 @@ void dax_write_cache(struct dax_device *dax_dev, bool wc)
}
EXPORT_SYMBOL_GPL(dax_write_cache);
+bool dax_write_cache_enabled(struct dax_device *dax_dev)
+{
+ return test_bit(DAXDEV_WRITE_CACHE, &dax_dev->flags);
+}
+EXPORT_SYMBOL_GPL(dax_write_cache_enabled);
+
bool dax_alive(struct dax_device *dax_dev)
{
lockdep_assert_held(&dax_srcu);