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-rw-r--r--block/blk-mq-debugfs.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 7efe268e4447..cb1e6cf7ac48 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -622,6 +622,14 @@ static int hctx_active_show(void *data, struct seq_file *m)
return 0;
}
+static int hctx_dispatch_busy_show(void *data, struct seq_file *m)
+{
+ struct blk_mq_hw_ctx *hctx = data;
+
+ seq_printf(m, "%u\n", hctx->dispatch_busy);
+ return 0;
+}
+
static void *ctx_rq_list_start(struct seq_file *m, loff_t *pos)
__acquires(&ctx->lock)
{
@@ -783,6 +791,7 @@ static const struct blk_mq_debugfs_attr blk_mq_debugfs_hctx_attrs[] = {
{"queued", 0600, hctx_queued_show, hctx_queued_write},
{"run", 0600, hctx_run_show, hctx_run_write},
{"active", 0400, hctx_active_show},
+ {"dispatch_busy", 0400, hctx_dispatch_busy_show},
{},
};