1 files changed, 9 insertions, 6 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 06075043da5d..7a090fb4eb98 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1398,20 +1398,23 @@ static int run_delalloc_range(struct inode *inode, struct page *locked_page,
         int ret;
         struct btrfs_root *root = BTRFS_I(inode)->root;
 
-        if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW)
+        if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) {
                 ret = run_delalloc_nocow(inode, locked_page, start, end,
                                          page_started, 1, nr_written);
-        else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC)
+        } else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC) {
                 ret = run_delalloc_nocow(inode, locked_page, start, end,
                                          page_started, 0, nr_written);
-        else if (!btrfs_test_opt(root, COMPRESS) &&
-                 !(BTRFS_I(inode)->force_compress) &&
-                 !(BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS))
+        } else if (!btrfs_test_opt(root, COMPRESS) &&
+                   !(BTRFS_I(inode)->force_compress) &&
+                   !(BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS)) {
                 ret = cow_file_range(inode, locked_page, start, end,
                                       page_started, nr_written, 1);
-        else
+        } else {
+                set_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
+                        &BTRFS_I(inode)->runtime_flags);
                 ret = cow_file_range_async(inode, locked_page, start, end,
                                            page_started, nr_written);
+        }
         return ret;
 }