diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5b842276573e..bee8852e8155 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2155,12 +2155,13 @@ next_slot:
 
 		/*
 		 * If the found extent starts after requested offset, then
-		 * adjust extent_end to be right before this extent begins
+		 * adjust cur_offset to be right before this extent begins.
 		 */
 		if (found_key.offset > cur_offset) {
-			extent_end = found_key.offset;
-			extent_type = 0;
-			goto must_cow;
+			if (cow_start == (u64)-1)
+				cow_start = cur_offset;
+			cur_offset = found_key.offset;
+			goto next_slot;
 		}
 
 		/*