1 files changed, 9 insertions, 1 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0a43d42268f7..55dda871437f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7270,8 +7270,16 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
         atomic_inc(&inode->i_dio_count);
         smp_mb__after_atomic_inc();
 
+        /*
+         * The generic stuff only does filemap_write_and_wait_range, which isn't
+         * enough if we've written compressed pages to this area, so we need to
+         * call btrfs_wait_ordered_range to make absolutely sure that any
+         * outstanding dirty pages are on disk.
+         */
+        count = iov_length(iov, nr_segs);
+        btrfs_wait_ordered_range(inode, offset, count);
+
         if (rw & WRITE) {
-                count = iov_length(iov, nr_segs);
                 /*
                  * If the write DIO is beyond the EOF, we need update
                  * the isize, but it is protected by i_mutex. So we can