1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 15b58239c683..ee372884c405 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1410,8 +1410,10 @@ static void btree_gc_start(struct cache_set *c)
         for_each_cache(ca, c, i)
                 for_each_bucket(b, ca) {
                         b->gc_gen = b->gen;
-                        if (!atomic_read(&b->pin))
+                        if (!atomic_read(&b->pin)) {
                                 SET_GC_MARK(b, GC_MARK_RECLAIMABLE);
+                                SET_GC_SECTORS_USED(b, 0);
+                        }
                 }
 
         mutex_unlock(&c->bucket_lock);