When analyzing e.g. queue lockups it is important to know whether
or not a request has already been started. Hence also show the
atomic request flags.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxxx>
---
block/blk-mq-debugfs.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index bcd2a7d4a3a5..9cb673bc7230 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -308,6 +308,12 @@ static const char *const rqf_name[] = {
[ilog2((__force u32)RQF_SPECIAL_PAYLOAD)] = "SPECIAL_PAYLOAD",
};
+static const char *const rqaf_name[] = {
+ [REQ_ATOM_COMPLETE] = "COMPLETE",
+ [REQ_ATOM_STARTED] = "STARTED",
+ [REQ_ATOM_POLL_SLEPT] = "POLL_SLEPT",
+};
+
static int blk_mq_debugfs_rq_show(struct seq_file *m, void *v)
{
struct request *rq = list_entry_rq(v);
@@ -325,6 +331,8 @@ static int blk_mq_debugfs_rq_show(struct seq_file *m, void *v)
seq_puts(m, ", .rq_flags=");
blk_flags_show(m, (__force unsigned int)rq->rq_flags, rqf_name,
ARRAY_SIZE(rqf_name));
+ seq_puts(m, ", .atomic_flags=");
+ blk_flags_show(m, rq->atomic_flags, rqaf_name, ARRAY_SIZE(rqaf_name));
seq_printf(m, ", .tag=%d, .internal_tag=%d", rq->tag,
rq->internal_tag);
if (mq_ops->show_rq)
--
2.12.2
