Add new workqueue header

include/sys/workqueue.h

@@ -0,0 +1,55 @@
+/*
+ *  This file is part of the SPL: Solaris Porting Layer.
+ *
+ *  Copyright (c) 2008 Lawrence Livermore National Security, LLC.
+ *  Produced at Lawrence Livermore National Laboratory
+ *  Written by:
+ *          Brian Behlendorf <behlendorf1@llnl.gov>,
+ *          Herb Wartens <wartens2@llnl.gov>,
+ *          Jim Garlick <garlick@llnl.gov>
+ *  UCRL-CODE-235197
+ *
+ *  This is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+ */
+
+#ifndef _SPL_WORKQUEUE_H
+#define _SPL_WORKQUEUE_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <linux/workqueue.h>
+#include <sys/types.h>
+
+#ifdef HAVE_3ARGS_INIT_WORK
+
+#define delayed_work			work_struct
+
+#define spl_init_work(wq, cb, d)	INIT_WORK((wq), (void *)(cb), \
+						  (void *)(d))
+#define spl_init_delayed_work(wq,cb,d)	INIT_WORK((wq), (void *)(cb), \
+						  (void *)(d))
+#define spl_get_work_data(d, t, f)	(t *)(d)
+
+#else
+
+#define spl_init_work(wq, cb, d)	INIT_WORK((wq), (void *)(cb));
+#define spl_init_delayed_work(wq,cb,d)	INIT_DELAYED_WORK((wq), (void *)(cb));
+#define spl_get_work_data(d, t, f)	(t *)container_of(d, t, f)
+
+#endif /* HAVE_3ARGS_INIT_WORK */
+
+#endif  /* _SPL_WORKQUEUE_H */