linux-kernel - [PATCH AUTOSEL 5.4 08/16] blk-mq-debugfs: update blk_queue_flag

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Message-Id: <20200708154135.3199907-8-sashal@kernel.org>
Date:   Wed,  8 Jul 2020 11:41:27 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hou Tao <houtao1@...wei.com>, Bart Van Assche <bvanassche@....org>,
        Jens Axboe <axboe@...nel.dk>, Sasha Levin <sashal@...nel.org>,
        linux-block@...r.kernel.org
Subject: [PATCH AUTOSEL 5.4 08/16] blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags

From: Hou Tao <houtao1@...wei.com>

[ Upstream commit bfe373f608cf81b7626dfeb904001b0e867c5110 ]

Else there may be magic numbers in /sys/kernel/debug/block/*/state.

Signed-off-by: Hou Tao <houtao1@...wei.com>
Reviewed-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 block/blk-mq-debugfs.c | 3 +++
 include/linux/blkdev.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index b3f2ba483992d..121f4c1e0697b 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -125,6 +125,9 @@ static const char *const blk_queue_flag_name[] = {
 	QUEUE_FLAG_NAME(REGISTERED),
 	QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
 	QUEUE_FLAG_NAME(QUIESCED),
+	QUEUE_FLAG_NAME(PCI_P2PDMA),
+	QUEUE_FLAG_NAME(ZONE_RESETALL),
+	QUEUE_FLAG_NAME(RQ_ALLOC_TIME),
 };
 #undef QUEUE_FLAG_NAME
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index bff1def62eed9..d5338b9ee5502 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -592,6 +592,7 @@ struct request_queue {
 	u64			write_hints[BLK_MAX_WRITE_HINTS];
 };
 
+/* Keep blk_queue_flag_name[] in sync with the definitions below */
 #define QUEUE_FLAG_STOPPED	0	/* queue is stopped */
 #define QUEUE_FLAG_DYING	1	/* queue being torn down */
 #define QUEUE_FLAG_NOMERGES     3	/* disable merge attempts */
-- 
2.25.1