blk-mq: add extra request information to debugfs

The request pointers by themselves aren't super useful. Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: Omar Sandoval <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
niw · Jan 27, 2017 · 7b39385 · 7b39385
1 parent 950cd7e
commit 7b39385
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
@@ -87,7 +87,9 @@ static int blk_mq_debugfs_rq_show(struct seq_file *m, void *v)
 {
 	struct request *rq = list_entry_rq(v);
 
-	seq_printf(m, "%p\n", rq);
+	seq_printf(m, "%p {.cmd_type=%u, .cmd_flags=0x%x, .rq_flags=0x%x, .tag=%d, .internal_tag=%d}\n",
+		   rq, rq->cmd_type, rq->cmd_flags, (unsigned int)rq->rq_flags,
+		   rq->tag, rq->internal_tag);
 	return 0;
 }