Linux 3.17 compat: remove wait_on_bit action function

[mirror_spl.git] / include / linux / wait_compat.h

diff --git a/include/linux/wait_compat.h b/include/linux/wait_compat.h
new file mode 100644 (file)
index 0000000..66f9a9a
--- /dev/null
+++ b/include/linux/wait_compat.h
@@ -0,0 +1,45 @@
+/*****************************************************************************\
+ *  Copyright (C) 2007-2014 Lawrence Livermore National Security, LLC.
+ *  Copyright (C) 2007 The Regents of the University of California.
+ *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ *  UCRL-CODE-235197
+ *
+ *  This file is part of the SPL, Solaris Porting Layer.
+ *  For details, see <http://zfsonlinux.org/>.
+ *
+ *  The SPL 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.
+ *
+ *  The SPL 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 the SPL.  If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
+
+#ifndef _SPL_WAIT_COMPAT_H
+#define _SPL_WAIT_COMPAT_H
+
+
+#ifndef HAVE_WAIT_ON_BIT_ACTION
+#  define spl_wait_on_bit(word, bit, mode) wait_on_bit(word, bit, mode)
+#else
+
+static inline int
+spl_bit_wait(void *word)
+{
+        schedule();
+        return 0;
+}
+
+#define spl_wait_on_bit(word, bit, mode)                       \
+       wait_on_bit(word, bit, spl_bit_wait, mode)
+
+#endif /* HAVE_WAIT_ON_BIT_ACTION */
+
+#endif /* SPL_WAIT_COMPAT_H */