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-rw-r--r--fs/btrfs/reflink.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/reflink.h b/fs/btrfs/reflink.h
new file mode 100644
index 0000000000..ecb309b4da
--- /dev/null
+++ b/fs/btrfs/reflink.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_REFLINK_H
+#define BTRFS_REFLINK_H
+
+#include <linux/fs.h>
+
+loff_t btrfs_remap_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out,
+ loff_t len, unsigned int remap_flags);
+
+#endif /* BTRFS_REFLINK_H */