From: "Heyne, Maximilian" <mheyne@amazon.de>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: "Heyne, Maximilian" <mheyne@amazon.de>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Chaitanya Kulkarni <kch@nvidia.com>,
"Keith Busch" <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Hector Martin <marcan@marcan.st>, Sven Peter <sven@svenpeter.dev>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Bart Van Assche <bvanassche@acm.org>,
Sasha Levin <sashal@kernel.org>,
Peter Wang <peter.wang@mediatek.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bean Huo <beanhuo@micron.com>, Brian Kao <powenkao@google.com>,
Seunghui Lee <sh043.lee@samsung.com>,
Sanjeev Yadav <sanjeev.y@mediatek.com>,
Wonkon Kim <wkon.kim@samsung.com>, Ming Lei <ming.lei@redhat.com>,
Hannes Reinecke <hare@suse.de>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"asahi@lists.linux.dev" <asahi@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: [PATCH 6.1.y 3/8] scsi: remove an extra queue reference
Date: Wed, 1 Apr 2026 13:37:00 +0000 [thread overview]
Message-ID: <20260401-blobs-hurry-1dd1b23c@mheyne-amazon> (raw)
In-Reply-To: <20260401-defer-gleam-5226cb65@mheyne-amazon>
From: Christoph Hellwig <hch@lst.de>
[ Upstream commit dc917c361422388f0d39d3f0dc2bc5a188c01156 ]
Now that blk_mq_destroy_queue does not release the queue reference, there
is no need for a second queue reference to be held by the scsi_device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20221018135720.670094-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
---
drivers/scsi/scsi_scan.c | 1 -
drivers/scsi/scsi_sysfs.c | 1 -
2 files changed, 2 deletions(-)
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 696f178fb57d8..0eaec372f7560 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -344,7 +344,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
sdev->request_queue = q;
q->queuedata = sdev;
__scsi_init_queue(sdev->host, q);
- WARN_ON_ONCE(!blk_get_queue(q));
depth = sdev->host->cmd_per_lun ?: 1;
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index af81b2ba0c9b3..456b92c3a7811 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1486,7 +1486,6 @@ void __scsi_remove_device(struct scsi_device *sdev)
mutex_unlock(&sdev->state_mutex);
blk_mq_destroy_queue(sdev->request_queue);
- blk_put_queue(sdev->request_queue);
kref_put(&sdev->host->tagset_refcnt, scsi_mq_free_tags);
cancel_work_sync(&sdev->requeue_work);
--
2.50.1
Amazon Web Services Development Center Germany GmbH
Tamara-Danz-Str. 13
10243 Berlin
Geschaeftsfuehrung: Christof Hellmis, Andreas Stieger
Eingetragen am Amtsgericht Charlottenburg unter HRB 257764 B
Sitz: Berlin
Ust-ID: DE 365 538 597
next prev parent reply other threads:[~2026-04-01 13:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-01 13:36 [PATCH 6.1.y 0/8] nvme: correctly fix admin request_queue lifetime Heyne, Maximilian
2026-04-01 13:36 ` [PATCH 6.1.y 1/8] Revert "nvme: fix admin request_queue lifetime" Heyne, Maximilian
2026-04-01 13:36 ` [PATCH 6.1.y 2/8] blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue Heyne, Maximilian
2026-04-01 13:37 ` Heyne, Maximilian [this message]
2026-04-01 13:37 ` [PATCH 6.1.y 4/8] nvme-pci: remove an extra queue reference Heyne, Maximilian
2026-04-01 13:37 ` [PATCH 6.1.y 5/8] nvme-apple: " Heyne, Maximilian
2026-04-01 20:45 ` Fedor Pchelkin
2026-04-02 12:31 ` Heyne, Maximilian
2026-04-03 9:35 ` Fedor Pchelkin
2026-04-01 13:37 ` [PATCH 6.1.y 6/8] nvme-pci: put the admin queue in nvme_dev_remove_admin Heyne, Maximilian
2026-04-01 13:37 ` [PATCH 6.1.y 7/8] nvme: fix admin request_queue lifetime Heyne, Maximilian
2026-04-01 13:37 ` [PATCH 6.1.y 8/8] nvme: fix admin queue leak on controller reset Heyne, Maximilian
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260401-blobs-hurry-1dd1b23c@mheyne-amazon \
--to=mheyne@amazon.de \
--cc=alim.akhtar@samsung.com \
--cc=alyssa@rosenzweig.io \
--cc=asahi@lists.linux.dev \
--cc=avri.altman@wdc.com \
--cc=axboe@kernel.dk \
--cc=beanhuo@micron.com \
--cc=bvanassche@acm.org \
--cc=gregkh@linuxfoundation.org \
--cc=hare@suse.de \
--cc=hch@lst.de \
--cc=jejb@linux.ibm.com \
--cc=kbusch@kernel.org \
--cc=kch@nvidia.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=linux-scsi@vger.kernel.org \
--cc=marcan@marcan.st \
--cc=martin.petersen@oracle.com \
--cc=ming.lei@redhat.com \
--cc=peter.wang@mediatek.com \
--cc=powenkao@google.com \
--cc=sagi@grimberg.me \
--cc=sanjeev.y@mediatek.com \
--cc=sashal@kernel.org \
--cc=sh043.lee@samsung.com \
--cc=stable@vger.kernel.org \
--cc=sven@svenpeter.dev \
--cc=wkon.kim@samsung.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox