1 files changed, 8 insertions, 1 deletions

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index bbf31003d308..c7156dc39ce7 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -140,12 +140,18 @@ static void reiserfs_vfs_truncate_file(struct inode *inode)
  * be removed...
  */
 
-static int reiserfs_sync_file(struct file *filp, int datasync)
+static int reiserfs_sync_file(struct file *filp, loff_t start, loff_t end,
+                              int datasync)
 {
         struct inode *inode = filp->f_mapping->host;
         int err;
         int barrier_done;
 
+        err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+        if (err)
+                return err;
+
+        mutex_lock(&inode->i_mutex);
         BUG_ON(!S_ISREG(inode->i_mode));
         err = sync_mapping_buffers(inode->i_mapping);
         reiserfs_write_lock(inode->i_sb);
@@ -153,6 +159,7 @@ static int reiserfs_sync_file(struct file *filp, int datasync)
         reiserfs_write_unlock(inode->i_sb);
         if (barrier_done != 1 && reiserfs_barrier_flush(inode->i_sb))
                 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+        mutex_unlock(&inode->i_mutex);
         if (barrier_done < 0)
                 return barrier_done;
         return (err < 0) ? -EIO : 0;