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path: root/drivers/s390/block/dcssblk.c
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Diffstat (limited to 'drivers/s390/block/dcssblk.c')
-rw-r--r--drivers/s390/block/dcssblk.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 06eb1de52d1c..68bae4f6bd88 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/pfn_t.h>
+#include <linux/uio.h>
#include <linux/dax.h>
#include <asm/extmem.h>
#include <asm/io.h>
@@ -43,8 +44,15 @@ static const struct block_device_operations dcssblk_devops = {
.release = dcssblk_release,
};
+static size_t dcssblk_dax_copy_from_iter(struct dax_device *dax_dev,
+ pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i)
+{
+ return copy_from_iter(addr, bytes, i);
+}
+
static const struct dax_operations dcssblk_dax_ops = {
.direct_access = dcssblk_dax_direct_access,
+ .copy_from_iter = dcssblk_dax_copy_from_iter,
};
struct dcssblk_dev_info {