LU-12852 pfl: restrict the stripe count correctly

[fs/lustre-release.git] / lustre / lod / lod_qos.c

diff --git a/lustre/lod/lod_qos.c b/lustre/lod/lod_qos.c
index cf4dc7f..f5754e8 100644 (file)
--- a/lustre/lod/lod_qos.c
+++ b/lustre/lod/lod_qos.c
@@ -1784,6 +1784,8 @@ __u16 lod_get_stripe_count(struct lod_device *lod, struct lod_object *lo,
                max_stripes = lov_mds_md_max_stripe_count(easize, LOV_MAGIC_V3);
        }
 
+       max_stripes = (max_stripes == 0) ? 0 : max_stripes - 1;
+
        return (stripe_count < max_stripes) ? stripe_count : max_stripes;
 }