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-rw-r--r--block/blk-mq-debugfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 85be8aa39b90..8618aa07ba2d 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -196,6 +196,9 @@ static int hctx_flags_show(void *data, struct seq_file *m)
struct blk_mq_hw_ctx *hctx = data;
const int alloc_policy = BLK_MQ_FLAG_TO_ALLOC_POLICY(hctx->flags);
+ BUILD_BUG_ON(ARRAY_SIZE(hctx_flag_name) !=
+ BLK_MQ_F_ALLOC_POLICY_START_BIT);
+
seq_puts(m, "alloc_policy=");
if (alloc_policy < ARRAY_SIZE(alloc_policy_name) &&
alloc_policy_name[alloc_policy])