1 files changed, 9 insertions, 1 deletions

diff --git a/fs/exofs/file.c b/fs/exofs/file.c
index 45ca323d8363..491c6c078e7f 100644
--- a/fs/exofs/file.c
+++ b/fs/exofs/file.c
@@ -42,11 +42,19 @@ static int exofs_release_file(struct inode *inode, struct file *filp)
  *   Note, in exofs all metadata is written as part of inode, regardless.
  *   The writeout is synchronous
  */
-static int exofs_file_fsync(struct file *filp, int datasync)
+static int exofs_file_fsync(struct file *filp, loff_t start, loff_t end,
+                            int datasync)
 {
+        struct inode *inode = filp->f_mapping->host;
         int ret;
 
+        ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+        if (ret)
+                return ret;
+
+        mutex_lock(&inode->i_mutex);
         ret = sync_inode_metadata(filp->f_mapping->host, 1);
+        mutex_unlock(&inode->i_mutex);
         return ret;
 }