LU-6179 llite: Implement ladvise lockahead

[fs/lustre-release.git] / libcfs / libcfs / fail.c

diff --git a/libcfs/libcfs/fail.c b/libcfs/libcfs/fail.c
index 3d1d3a0..12addb2 100644 (file)
--- a/libcfs/libcfs/fail.c
+++ b/libcfs/libcfs/fail.c
@@ -16,36 +16,30 @@
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see http://www.gnu.org/licenses
  *
- * Please contact Oracle Corporation, Inc., 500 Oracle Parkway, Redwood Shores,
- * CA 94065 USA or visit www.oracle.com if you need additional information or
- * have any questions.
- *
  * GPL HEADER END
  */
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Oracle Corporation, Inc.
  */
 
-#ifndef __KERNEL__
-#include <liblustre.h>
-#else
 #include <libcfs/libcfs.h>
-#endif
 
 unsigned long cfs_fail_loc = 0;
 unsigned int cfs_fail_val = 0;
-wait_queue_head_t cfs_race_waitq;
+int cfs_fail_err;
+DECLARE_WAIT_QUEUE_HEAD(cfs_race_waitq);
 int cfs_race_state;
 
 EXPORT_SYMBOL(cfs_fail_loc);
 EXPORT_SYMBOL(cfs_fail_val);
+EXPORT_SYMBOL(cfs_fail_err);
 EXPORT_SYMBOL(cfs_race_waitq);
 EXPORT_SYMBOL(cfs_race_state);
 
@@ -114,6 +108,7 @@ int __cfs_fail_check_set(__u32 id, __u32 value, int set)
                        break;
                case CFS_FAIL_LOC_RESET:
                        cfs_fail_loc = value;
+                       atomic_set(&cfs_fail_count, 0);
                        break;
                default:
                        LASSERTF(0, "called with bad set %u\n", set);
@@ -129,11 +124,11 @@ int __cfs_fail_timeout_set(__u32 id, __u32 value, int ms, int set)
        int ret = 0;
 
        ret = __cfs_fail_check_set(id, value, set);
-       if (ret) {
+       if (ret && likely(ms > 0)) {
                CERROR("cfs_fail_timeout id %x sleeping for %dms\n",
                       id, ms);
-               schedule_timeout_and_set_state(TASK_UNINTERRUPTIBLE,
-                                                  cfs_time_seconds(ms) / 1000);
+               set_current_state(TASK_UNINTERRUPTIBLE);
+               schedule_timeout(cfs_time_seconds(ms) / 1000);
                set_current_state(TASK_RUNNING);
                CERROR("cfs_fail_timeout id %x awake\n", id);
        }