From: Omar Sandoval <osandov@fb.com>
Date: Wed, 25 Jan 2017 16:06:43 +0000 (-0800)
Subject: blk-mq: add extra request information to debugfs
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=7b3938524cfbd7abd1814d879ecfcd2e2a9aa775;p=openwrt%2Fstaging%2Fblogic.git

blk-mq: add extra request information to debugfs

The request pointers by themselves aren't super useful.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 1967c06d80e0..ee947f2f605b 100644
--- 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;
 }