Branch HEAD

b=16499
i=adilger
i=nikita

direct use of i_mutex is not portable, even between various Linux kernels

lustre/osd/osd_handler.c

@@ -1535,9 +1535,9 @@ static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
         file->f_dentry = dentry;
         file->f_mapping = inode->i_mapping;
         file->f_op = inode->i_fop;
-        mutex_lock(&inode->i_mutex);
+        LOCK_INODE_MUTEX(inode);
         rc = file->f_op->fsync(file, dentry, 0);
-        mutex_unlock(&inode->i_mutex);
+        UNLOCK_INODE_MUTEX(inode);
         RETURN(rc);
 }