Merge remote-tracking branch 'ocfs2/linux-next'

4 files changed, 25 insertions, 33 deletions

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 5c1c864e81cc..5b62c95a6f5d 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -35,6 +35,7 @@
 #include <linux/time.h>
 #include <linux/debugfs.h>
 #include <linux/slab.h>
+#include <linux/bitmap.h>
 
 #include "heartbeat.h"
 #include "tcp.h"
@@ -282,15 +283,6 @@ struct o2hb_bio_wait_ctxt {
 	int               wc_error;
 };
 
-static int o2hb_pop_count(void *map, int count)
-{
-	int i = -1, pop = 0;
-
-	while ((i = find_next_bit(map, count, i + 1)) < count)
-		pop++;
-	return pop;
-}
-
 static void o2hb_write_timeout(struct work_struct *work)
 {
 	int failed, quorum;
@@ -307,9 +299,9 @@ static void o2hb_write_timeout(struct work_struct *work)
 		spin_lock_irqsave(&o2hb_live_lock, flags);
 		if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))
 			set_bit(reg->hr_region_num, o2hb_failed_region_bitmap);
-		failed = o2hb_pop_count(&o2hb_failed_region_bitmap,
+		failed = bitmap_weight(o2hb_failed_region_bitmap,
 					O2NM_MAX_REGIONS);
-		quorum = o2hb_pop_count(&o2hb_quorum_region_bitmap,
+		quorum = bitmap_weight(o2hb_quorum_region_bitmap,
 					O2NM_MAX_REGIONS);
 		spin_unlock_irqrestore(&o2hb_live_lock, flags);
 
@@ -771,7 +763,7 @@ static void o2hb_set_quorum_device(struct o2hb_region *reg)
 	 * If global heartbeat active, unpin all regions if the
 	 * region count > CUT_OFF
 	 */
-	if (o2hb_pop_count(&o2hb_quorum_region_bitmap,
+	if (bitmap_weight(o2hb_quorum_region_bitmap,
 			   O2NM_MAX_REGIONS) > O2HB_PIN_CUT_OFF)
 		o2hb_region_unpin(NULL);
 unlock:
@@ -956,23 +948,9 @@ out:
 	return changed;
 }
 
-/* This could be faster if we just implmented a find_last_bit, but I
- * don't think the circumstances warrant it. */
-static int o2hb_highest_node(unsigned long *nodes,
-			     int numbits)
+static int o2hb_highest_node(unsigned long *nodes, int numbits)
 {
-	int highest, node;
-
-	highest = numbits;
-	node = -1;
-	while ((node = find_next_bit(nodes, numbits, node + 1)) != -1) {
-		if (node >= numbits)
-			break;
-
-		highest = node;
-	}
-
-	return highest;
+	return find_last_bit(nodes, numbits);
 }
 
 static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
@@ -1831,7 +1809,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
 	live_threshold = O2HB_LIVE_THRESHOLD;
 	if (o2hb_global_heartbeat_active()) {
 		spin_lock(&o2hb_live_lock);
-		if (o2hb_pop_count(&o2hb_region_bitmap, O2NM_MAX_REGIONS) == 1)
+		if (bitmap_weight(o2hb_region_bitmap, O2NM_MAX_REGIONS) == 1)
 			live_threshold <<= 1;
 		spin_unlock(&o2hb_live_lock);
 	}
@@ -2182,7 +2160,7 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group,
 	if (!o2hb_dependent_users)
 		goto unlock;
 
-	if (o2hb_pop_count(&o2hb_quorum_region_bitmap,
+	if (bitmap_weight(o2hb_quorum_region_bitmap,
 			   O2NM_MAX_REGIONS) <= O2HB_PIN_CUT_OFF)
 		o2hb_region_pin(NULL);
 
@@ -2482,7 +2460,7 @@ static int o2hb_region_inc_user(const char *region_uuid)
 	if (o2hb_dependent_users > 1)
 		goto unlock;
 
-	if (o2hb_pop_count(&o2hb_quorum_region_bitmap,
+	if (bitmap_weight(o2hb_quorum_region_bitmap,
 			   O2NM_MAX_REGIONS) <= O2HB_PIN_CUT_OFF)
 		ret = o2hb_region_pin(NULL);
 
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index baa2b9ef7eef..2260fb9e6508 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -199,7 +199,8 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
 #define mlog_errno(st) do {						\
 	int _st = (st);							\
 	if (_st != -ERESTARTSYS && _st != -EINTR &&			\
-	    _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC)		\
+	    _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC &&		\
+	    _st != -EDQUOT)						\
 		mlog(ML_ERROR, "status = %lld\n", (long long)_st);	\
 } while (0)
 
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 33ecbe0e6734..3d09a940c015 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1888,8 +1888,10 @@ ok:
 			 * up nodes that this node contacted */
 			while ((nn = find_next_bit (mle->response_map, O2NM_MAX_NODES,
 						    nn+1)) < O2NM_MAX_NODES) {
-				if (nn != dlm->node_num && nn != assert->node_idx)
+				if (nn != dlm->node_num && nn != assert->node_idx) {
 					master_request = 1;
+					break;
+				}
 			}
 		}
 		mle->master = assert->node_idx;
@@ -2357,6 +2359,10 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
 
 	assert_spin_locked(&res->spinlock);
 
+	/* delay migration when the lockres is in MIGRATING state */
+	if (res->state & DLM_LOCK_RES_MIGRATING)
+		return 0;
+
 	if (res->owner != dlm->node_num)
 		return 0;
 
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 773bd32bfd8c..317c0d4024d8 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1882,6 +1882,13 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
 
 		if (ml->type == LKM_NLMODE)
 			goto skip_lvb;
+		
+		/*
+		 * If the lock is in the blocked list it can't have a valid lvb,
+		 * so skip it
+		 */
+		if (ml->list == DLM_BLOCKED_LIST)
+			goto skip_lvb;
 
 		if (!dlm_lvb_is_empty(mres->lvb)) {
 			if (lksb->flags & DLM_LKSB_PUT_LVB) {