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[08/12] block: don't remove hctx debugfs dir from blk_mq_exit_queue

Message ID 20220222141450.591193-9-hch@lst.de
State Superseded
Headers show
Series [01/12] blk-mq: do not include passthrough requests in I/O accounting | expand

Commit Message

Christoph Hellwig Feb. 22, 2022, 2:14 p.m. UTC 
From: Ming Lei <ming.lei@redhat.com>

The queue's top debugfs dir is removed from blk_release_queue(), so all
hctx's debugfs dirs are removed from there. Given blk_mq_exit_queue()
is only called from blk_cleanup_queue(), it isn't necessary to remove
hctx debugfs from blk_mq_exit_queue().

So remove it from blk_mq_exit_queue().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 block/blk-mq.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 63e2d3fd60946..540c8da30da72 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3425,7 +3425,6 @@  static void blk_mq_exit_hw_queues(struct request_queue *q,
 	queue_for_each_hw_ctx(q, hctx, i) {
 		if (i == nr_queue)
 			break;
-		blk_mq_debugfs_unregister_hctx(hctx);
 		blk_mq_exit_hctx(q, set, hctx, i);
 	}
 }