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[v2,04/10] blk-mq: add extra request information to debugfs

Message ID 79c2ac5add8fc2ba90d2ef3867f45065006ffd5a.1485360145.git.osandov@fb.com (mailing list archive)
State New, archived
Headers show

Commit Message

Omar Sandoval Jan. 25, 2017, 4:06 p.m. UTC 
From: Omar Sandoval <osandov@fb.com>

The request pointers by themselves aren't super useful.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
---
 block/blk-mq-debugfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

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;
 }