diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index bea343615ad1..6622485389dc 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -443,23 +443,6 @@ int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page,
 			    u32 pgoff, u8 *csum, const u8 * const csum_expected);
 bool btrfs_data_csum_ok(struct btrfs_bio *bbio, struct btrfs_device *dev,
 			u32 bio_offset, struct bio_vec *bv);
-
-/*
- * A more access-friendly representation of btrfs_file_extent_item.
- *
- * Unused members are excluded.
- */
-struct btrfs_file_extent {
-	u64 disk_bytenr;
-	u64 disk_num_bytes;
-
-	u64 num_bytes;
-	u64 ram_bytes;
-	u64 offset;
-
-	u8 compression;
-};
-
 noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
 			      struct btrfs_file_extent *file_extent,
 			      bool nowait, bool strict);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 89f284ae26a4..eec5ecb917d8 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1220,14 +1220,8 @@ static void submit_one_async_extent(struct async_chunk *async_chunk,
 	}
 	free_extent_map(em);
 
-	ordered = btrfs_alloc_ordered_extent(inode, start,	/* file_offset */
-				       async_extent->ram_size,	/* num_bytes */
-				       async_extent->ram_size,	/* ram_bytes */
-				       ins.objectid,		/* disk_bytenr */
-				       ins.offset,		/* disk_num_bytes */
-				       0,			/* offset */
-				       1 << BTRFS_ORDERED_COMPRESSED,
-				       async_extent->compress_type);
+	ordered = btrfs_alloc_ordered_extent(inode, start, &file_extent,
+				       1 << BTRFS_ORDERED_COMPRESSED);
 	if (IS_ERR(ordered)) {
 		btrfs_drop_extent_map_range(inode, start, end, false);
 		ret = PTR_ERR(ordered);
@@ -1463,10 +1457,8 @@ static noinline int cow_file_range(struct btrfs_inode *inode,
 		}
 		free_extent_map(em);
 
-		ordered = btrfs_alloc_ordered_extent(inode, start, ram_size,
-					ram_size, ins.objectid, cur_alloc_size,
-					0, 1 << BTRFS_ORDERED_REGULAR,
-					BTRFS_COMPRESS_NONE);
+		ordered = btrfs_alloc_ordered_extent(inode, start, &file_extent,
+						     1 << BTRFS_ORDERED_REGULAR);
 		if (IS_ERR(ordered)) {
 			unlock_extent(&inode->io_tree, start,
 				      start + ram_size - 1, &cached);
@@ -2192,20 +2184,11 @@ static noinline int run_delalloc_nocow(struct btrfs_inode *inode,
 			free_extent_map(em);
 		}
 
-		/*
-		 * Check btrfs_create_dio_extent() for why we intentionally pass
-		 * incorrect value for NOCOW/PREALLOC OEs.
-		 */
 		ordered = btrfs_alloc_ordered_extent(inode, cur_offset,
-				nocow_args.file_extent.num_bytes,
-				nocow_args.file_extent.num_bytes,
-				nocow_args.file_extent.disk_bytenr +
-				nocow_args.file_extent.offset,
-				nocow_args.file_extent.num_bytes, 0,
+				&nocow_args.file_extent,
 				is_prealloc
 				? (1 << BTRFS_ORDERED_PREALLOC)
-				: (1 << BTRFS_ORDERED_NOCOW),
-				BTRFS_COMPRESS_NONE);
+				: (1 << BTRFS_ORDERED_NOCOW));
 		btrfs_dec_nocow_writers(nocow_bg);
 		if (IS_ERR(ordered)) {
 			if (is_prealloc) {
@@ -7020,33 +7003,9 @@ static struct extent_map *btrfs_create_dio_extent(struct btrfs_inode *inode,
 			goto out;
 	}
 
-	/*
-	 * NOTE: I know the numbers are totally wrong for NOCOW/PREALLOC,
-	 * but it doesn't cause problem at least for now.
-	 *
-	 * For regular writes, we would have file_extent->offset as 0,
-	 * thus we really only need disk_bytenr, every other length
-	 * (disk_num_bytes/ram_bytes) would match @len and fe->num_bytes.
-	 * The current numbers are totally fine.
-	 *
-	 * For NOCOW, we don't really care about the numbers except @file_pos
-	 * and @num_bytes, as we won't insert a file extent item at all.
-	 *
-	 * For PREALLOC, we do not use ordered extent's member, but
-	 * btrfs_mark_extent_written() would handle everything.
-	 *
-	 * So here we intentionally go with pseudo numbers for the NOCOW/PREALLOC
-	 * OEs, or btrfs_extract_ordered_extent() would need a completely new
-	 * routine to handle NOCOW/PREALLOC splits, meanwhile result nothing
-	 * different.
-	 */
-	ordered = btrfs_alloc_ordered_extent(inode, start, len, len,
-					     file_extent->disk_bytenr +
-					     file_extent->offset,
-					     len, 0,
+	ordered = btrfs_alloc_ordered_extent(inode, start, file_extent,
 					     (1 << type) |
-					     (1 << BTRFS_ORDERED_DIRECT),
-					     BTRFS_COMPRESS_NONE);
+					     (1 << BTRFS_ORDERED_DIRECT));
 	if (IS_ERR(ordered)) {
 		if (em) {
 			free_extent_map(em);
@@ -10377,12 +10336,9 @@ ssize_t btrfs_do_encoded_write(struct kiocb *iocb, struct iov_iter *from,
 	}
 	free_extent_map(em);
 
-	ordered = btrfs_alloc_ordered_extent(inode, start, num_bytes, ram_bytes,
-				       ins.objectid, ins.offset,
-				       encoded->unencoded_offset,
+	ordered = btrfs_alloc_ordered_extent(inode, start, &file_extent,
 				       (1 << BTRFS_ORDERED_ENCODED) |
-				       (1 << BTRFS_ORDERED_COMPRESSED),
-				       compression);
+				       (1 << BTRFS_ORDERED_COMPRESSED));
 	if (IS_ERR(ordered)) {
 		btrfs_drop_extent_map_range(inode, start, end, false);
 		ret = PTR_ERR(ordered);
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index c5bdd674f55c..371a85250d6a 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -263,17 +263,41 @@ static void insert_ordered_extent(struct btrfs_ordered_extent *entry)
  */
 struct btrfs_ordered_extent *btrfs_alloc_ordered_extent(
 			struct btrfs_inode *inode, u64 file_offset,
-			u64 num_bytes, u64 ram_bytes, u64 disk_bytenr,
-			u64 disk_num_bytes, u64 offset, unsigned long flags,
-			int compress_type)
+			struct btrfs_file_extent *file_extent,
+			unsigned long flags)
 {
 	struct btrfs_ordered_extent *entry;
 
 	ASSERT((flags & ~BTRFS_ORDERED_TYPE_FLAGS) == 0);
 
-	entry = alloc_ordered_extent(inode, file_offset, num_bytes, ram_bytes,
-				     disk_bytenr, disk_num_bytes, offset, flags,
-				     compress_type);
+	/*
+	 * NOTE: I know the numbers are totally wrong for NOCOW/PREALLOC,
+	 * but it doesn't cause problem at least for now.
+	 *
+	 * For NOCOW, we don't really care about the numbers except @file_pos
+	 * and @num_bytes, as we won't insert a file extent item at all.
+	 *
+	 * For PREALLOC, we do not use ordered extent's member, but
+	 * btrfs_mark_extent_written() would handle everything.
+	 *
+	 * So here we intentionally go with pseudo numbers for the NOCOW/PREALLOC
+	 * OEs, or btrfs_extract_ordered_extent() would need a completely new
+	 * routine to handle NOCOW/PREALLOC splits, meanwhile result nothing
+	 * different.
+	 */
+	if (flags & ((1 << BTRFS_ORDERED_NOCOW) | (1 << BTRFS_ORDERED_PREALLOC)))
+		entry = alloc_ordered_extent(inode, file_offset,
+				file_extent->num_bytes, file_extent->num_bytes,
+				file_extent->disk_bytenr + file_extent->offset,
+				file_extent->num_bytes, 0, flags,
+				file_extent->compression);
+	else
+		entry = alloc_ordered_extent(inode, file_offset,
+				file_extent->num_bytes, file_extent->ram_bytes,
+				file_extent->disk_bytenr,
+				file_extent->disk_num_bytes,
+				file_extent->offset, flags,
+				file_extent->compression);
 	if (!IS_ERR(entry))
 		insert_ordered_extent(entry);
 	return entry;
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index b6f6c6b91732..5bbec06fbc8d 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -171,11 +171,27 @@ void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
 bool btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
 				    struct btrfs_ordered_extent **cached,
 				    u64 file_offset, u64 io_size);
+
+/*
+ * A more access-friendly representation of btrfs_file_extent_item.
+ *
+ * Unused members are excluded.
+ */
+struct btrfs_file_extent {
+	u64 disk_bytenr;
+	u64 disk_num_bytes;
+
+	u64 num_bytes;
+	u64 ram_bytes;
+	u64 offset;
+
+	u8 compression;
+};
+
 struct btrfs_ordered_extent *btrfs_alloc_ordered_extent(
 			struct btrfs_inode *inode, u64 file_offset,
-			u64 num_bytes, u64 ram_bytes, u64 disk_bytenr,
-			u64 disk_num_bytes, u64 offset, unsigned long flags,
-			int compress_type);
+			struct btrfs_file_extent *file_extent,
+			unsigned long flags);
 void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry,
 			   struct btrfs_ordered_sum *sum);
 struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *inode,
