bcache: stop moving_gc marking buckets that can't be moved.

Signed-off-by: Nicholas Swenson <nks@daterainc.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c
index 5e8e58701d37..cd7490311e51 100644
--- a/drivers/md/bcache/movinggc.c
+++ b/drivers/md/bcache/movinggc.c
@@ -215,7 +215,10 @@ void bch_moving_gc(struct cache_set *c)
                 ca->heap.used = 0;
 
                 for_each_bucket(b, ca) {
-                        if (!GC_SECTORS_USED(b))
+                        if (GC_MARK(b) == GC_MARK_METADATA ||
+                            !GC_SECTORS_USED(b) ||
+                            GC_SECTORS_USED(b) == ca->sb.bucket_size ||
+                            atomic_read(&b->pin))
                                 continue;
 
                         if (!heap_full(&ca->heap)) {