These changes are a raw update to a vanilla kernel 4.1.10, with the

[kvmfornfv.git] / kernel / drivers / md / raid5.h

diff --git a/kernel/drivers/md/raid5.h b/kernel/drivers/md/raid5.h
index 66199a4..584c7bd 100644 (file)
--- a/kernel/drivers/md/raid5.h
+++ b/kernel/drivers/md/raid5.h
@@ -482,7 +482,8 @@ struct r5conf {
         */
        int                     active_name;
        char                    cache_name[2][32];
-       struct kmem_cache               *slab_cache; /* for allocating stripes */
+       struct kmem_cache       *slab_cache; /* for allocating stripes */
+       struct mutex            cache_size_mutex; /* Protect changes to cache size */
 
        int                     seq_flush, seq_write;
        int                     quiesce;