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authorLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
committerLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
commit478c6a43fcbc6c11609f8cee7c7b57223907754f (patch)
treea7f7952099da60d33032aed6de9c0c56c9f8779e /drivers/md/raid6algos.c
parent8a3f257c704e02aee9869decd069a806b45be3f1 (diff)
parent6bb597507f9839b13498781e481f5458aea33620 (diff)
Merge branch 'linus' into release
Conflicts: arch/x86/kernel/cpu/cpufreq/longhaul.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/md/raid6algos.c')
-rw-r--r--drivers/md/raid6algos.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index 21987e3dbe6..866215ac7f2 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -5,7 +5,7 @@
* This program 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, Inc., 53 Temple Place Ste 330,
- * Bostom MA 02111-1307, USA; either version 2 of the License, or
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
@@ -16,13 +16,20 @@
* Algorithm list and algorithm selection for RAID-6
*/
-#include "raid6.h"
+#include <linux/raid/pq.h>
#ifndef __KERNEL__
#include <sys/mman.h>
#include <stdio.h>
+#else
+#if !RAID6_USE_EMPTY_ZERO_PAGE
+/* In .bss so it's zeroed */
+const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256)));
+EXPORT_SYMBOL(raid6_empty_zero_page);
+#endif
#endif
struct raid6_calls raid6_call;
+EXPORT_SYMBOL_GPL(raid6_call);
/* Various routine sets */
extern const struct raid6_calls raid6_intx1;
@@ -79,6 +86,7 @@ const struct raid6_calls * const raid6_algos[] = {
#else
/* Need more time to be stable in userspace */
#define RAID6_TIME_JIFFIES_LG2 9
+#define time_before(x, y) ((x) < (y))
#endif
/* Try to pick the best algorithm */
@@ -152,3 +160,12 @@ int __init raid6_select_algo(void)
return best ? 0 : -EINVAL;
}
+
+static void raid6_exit(void)
+{
+ do { } while (0);
+}
+
+subsys_initcall(raid6_select_algo);
+module_exit(raid6_exit);
+MODULE_LICENSE("GPL");