1 files changed, 13 insertions, 1 deletions

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 22d604601957..0fc2bd34039d 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -171,7 +171,8 @@ static int ocfs2_dir_release(struct inode *inode, struct file *file)
         return 0;
 }
 
-static int ocfs2_sync_file(struct file *file, int datasync)
+static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
+                           int datasync)
 {
         int err = 0;
         journal_t *journal;
@@ -184,6 +185,16 @@ static int ocfs2_sync_file(struct file *file, int datasync)
                               file->f_path.dentry->d_name.name,
                               (unsigned long long)datasync);
 
+        err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+        if (err)
+                return err;
+
+        /*
+         * Probably don't need the i_mutex at all in here, just putting it here
+         * to be consistent with how fsync used to be called, someone more
+         * familiar with the fs could possibly remove it.
+         */
+        mutex_lock(&inode->i_mutex);
         if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) {
                 /*
                  * We still have to flush drive's caches to get data to the
@@ -200,6 +211,7 @@ static int ocfs2_sync_file(struct file *file, int datasync)
 bail:
         if (err)
                 mlog_errno(err);
+        mutex_unlock(&inode->i_mutex);
 
         return (err < 0) ? -EIO : 0;
 }