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Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 4f2cf8399f3d..3a790eb4995c 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -11,6 +11,7 @@
#include "blk.h"
#include "blk-mq.h"
#include "blk-mq-debugfs.h"
+#include "blk-mq-sched.h"
#include "blk-mq-tag.h"
#include "blk-rq-qos.h"
@@ -29,6 +30,9 @@ static int queue_poll_stat_show(void *data, struct seq_file *m)
struct request_queue *q = data;
int bucket;
+ if (!q->poll_stat)
+ return 0;
+
for (bucket = 0; bucket < (BLK_MQ_POLL_STATS_BKTS / 2); bucket++) {
seq_printf(m, "read (%d Bytes): ", 1 << (9 + bucket));
print_stat(m, &q->poll_stat[2 * bucket]);
@@ -122,7 +126,6 @@ static const char *const blk_queue_flag_name[] = {
QUEUE_FLAG_NAME(FUA),
QUEUE_FLAG_NAME(DAX),
QUEUE_FLAG_NAME(STATS),
- QUEUE_FLAG_NAME(POLL_STATS),
QUEUE_FLAG_NAME(REGISTERED),
QUEUE_FLAG_NAME(QUIESCED),
QUEUE_FLAG_NAME(PCI_P2PDMA),