diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 89e2196..17ed7bb 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -909,7 +909,7 @@ iomap_unshare_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
 		struct iomap *iomap, struct iomap *srcmap)
 {
 	long status = 0;
-	ssize_t written = 0;
+	loff_t written = 0;
 
 	/* don't bother with blocks that are not shared to start with */
 	if (!(iomap->flags & IOMAP_F_SHARED))