From 5d1b25c1ecabb37f8eb58c8e9dd74f77f703e5d9 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Fri, 28 Oct 2016 17:19:15 -0700
Subject: blk-mq: Introduce blk_mq_hctx_stopped()

Multiple functions test the BLK_MQ_S_STOPPED bit so introduce
a helper function that performs this test.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
 block/blk-mq.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'block/blk-mq.h')

diff --git a/block/blk-mq.h b/block/blk-mq.h
index e5d25249028c..ac772dac7ce8 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -100,6 +100,11 @@ static inline void blk_mq_set_alloc_data(struct blk_mq_alloc_data *data,
 	data->hctx = hctx;
 }
 
+static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
+{
+	return test_bit(BLK_MQ_S_STOPPED, &hctx->state);
+}
+
 static inline bool blk_mq_hw_queue_mapped(struct blk_mq_hw_ctx *hctx)
 {
 	return hctx->nr_ctx && hctx->tags;
-- 
cgit