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path: root/fs/btrfs/tests/extent-map-tests.c
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-rw-r--r--fs/btrfs/tests/extent-map-tests.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index 319fed82d741..c5b3a631bf4f 100644
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -15,6 +15,7 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
struct extent_map *em;
struct rb_node *node;
+ write_lock(&em_tree->lock);
while (!RB_EMPTY_ROOT(&em_tree->map.rb_root)) {
node = rb_first_cached(&em_tree->map);
em = rb_entry(node, struct extent_map, rb_node);
@@ -32,6 +33,7 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
#endif
free_extent_map(em);
}
+ write_unlock(&em_tree->lock);
}
/*