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authorDan Williams <dan.j.williams@intel.com>2017-07-03 16:54:58 -0700
committerDan Williams <dan.j.williams@intel.com>2017-07-03 16:54:58 -0700
commit9d92573fff3ec70785ef1815cc80573f70e7a921 (patch)
treebce6e6bbad56f805d1adcebddabf9dd9e8072ce4 /drivers/block
parent2de5148ffb12ff6b4088125f44818771e78e6830 (diff)
parent0b277961f4484fb3f142caaa1dd1748cb0b2cbee (diff)
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Merge branch 'for-4.13/dax' into libnvdimm-for-next
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/brd.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 57b574f2f66a..f2a7ac350f6a 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -22,6 +22,7 @@
#ifdef CONFIG_BLK_DEV_RAM_DAX
#include <linux/pfn_t.h>
#include <linux/dax.h>
+#include <linux/uio.h>
#endif
#include <linux/uaccess.h>
@@ -354,8 +355,15 @@ static long brd_dax_direct_access(struct dax_device *dax_dev,
return __brd_direct_access(brd, pgoff, nr_pages, kaddr, pfn);
}
+static size_t brd_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 brd_dax_ops = {
.direct_access = brd_dax_direct_access,
+ .copy_from_iter = brd_dax_copy_from_iter,
};
#endif