[PATCH] Btrfs: change BUG_ON()'s to ASSERT()'s in backref_cache_cleanup()

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Since it is just an in-memory building of the backrefs of several
btree blocks, nothing is fatal other than memory leaks, so this
changes BUG_ON()'s to ASSERT()'s.

Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
---
 fs/btrfs/relocation.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 0477dca..9732919 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -235,12 +235,12 @@ static void backref_cache_cleanup(struct backref_cache *cache)
 	cache->last_trans = 0;
 
 	for (i = 0; i < BTRFS_MAX_LEVEL; i++)
-		BUG_ON(!list_empty(&cache->pending[i]));
-	BUG_ON(!list_empty(&cache->changed));
-	BUG_ON(!list_empty(&cache->detached));
-	BUG_ON(!RB_EMPTY_ROOT(&cache->rb_root));
-	BUG_ON(cache->nr_nodes);
-	BUG_ON(cache->nr_edges);
+		ASSERT(list_empty(&cache->pending[i]));
+	ASSERT(list_empty(&cache->changed));
+	ASSERT(list_empty(&cache->detached));
+	ASSERT(RB_EMPTY_ROOT(&cache->rb_root));
+	ASSERT(!cache->nr_nodes);
+	ASSERT(!cache->nr_edges);
 }
 
 static struct backref_node *alloc_backref_node(struct backref_cache *cache)
-- 
2.5.5

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